diff --git a/scrapyd/environ.py b/scrapyd/environ.py
index 70bef2974..bf511a4cf 100644
--- a/scrapyd/environ.py
+++ b/scrapyd/environ.py
@@ -19,7 +19,7 @@ class Environment(object):
         self.initenv = initenv
 
     def get_environment(self, message, slot, eggpath):
-        project = message['project']
+        project = message['_project']
         env = self.initenv.copy()
         env['SCRAPY_PROJECT'] = project
         if eggpath:
@@ -32,11 +32,11 @@ class Environment(object):
         return env
 
     def _get_log_file(self, message):
-        logsdir = os.path.join(self.logs_dir, message['project'], \
-            message['spider'])
+        logsdir = os.path.join(self.logs_dir, message['_project'], \
+            message['_spider'])
         if not os.path.exists(logsdir):
             os.makedirs(logsdir)
         to_delete = sorted(os.listdir(logsdir), reverse=True)[:-self.logs_to_keep]
         for x in to_delete:
             os.remove(os.path.join(logsdir, x))
-        return os.path.join(logsdir, "%s.log" % message['_id'])
+        return os.path.join(logsdir, "%s.log" % message['_job'])
diff --git a/scrapyd/interfaces.py b/scrapyd/interfaces.py
index c9c6f839e..686103627 100644
--- a/scrapyd/interfaces.py
+++ b/scrapyd/interfaces.py
@@ -35,9 +35,11 @@ class IPoller(Interface):
         project that needs to run, or already fired if there was a project
         waiting to run already.
 
-        The message is a dict containing (at least) the name of the project to
-        be run in the 'project' key. This message will be passed later to
-        IEnvironment.get_environment().
+        The message is a dict containing (at least):
+        * the name of the project to be run in the '_project' key
+        * the name of the spider to be run in the '_spider' key
+        * a unique identifier for this run in the `_job` key
+        This message will be passed later to IEnvironment.get_environment().
         """
 
     def update_projects():
@@ -65,9 +67,7 @@ class IEnvironment(Interface):
     def get_environment(message, slot, eggpath):
         """Return the environment variables to use for running the process.
 
-        `message` is the message received from the IPoller.next() augmented to
-           contain (at least) the following keys: project, spider, _id (where
-           _id is a unique identifier for this run)
+        `message` is the message received from the IPoller.next() method
         `slot` is the Launcher slot where the process will be running.
         `eggpath` is the path to an eggfile that contains the project code. The
            `eggpath` may be `None` if no egg was found for the project, in
diff --git a/scrapyd/launcher.py b/scrapyd/launcher.py
index a2eff56b9..4eab512c7 100644
--- a/scrapyd/launcher.py
+++ b/scrapyd/launcher.py
@@ -48,13 +48,15 @@ class Launcher(Service):
 
     def _spawn_process(self, message, slot):
         msg = stringify_dict(message, keys_only=False)
-        project = msg['project']
+        project = msg['_project']
         eggpath = self._get_eggpath(project)
         args = [sys.executable, '-m', self.egg_runner, 'crawl']
         args += get_crawl_args(msg)
         e = self.app.getComponent(IEnvironment)
         env = e.get_environment(msg, slot, eggpath)
-        pp = ScrapyProcessProtocol(eggpath, slot, project, msg['spider'], msg['_id'])
+        env = stringify_dict(env, keys_only=False)
+        pp = ScrapyProcessProtocol(eggpath, slot, project, msg['_spider'], \
+            msg['_job'], env)
         pp.deferred.addBoth(self._process_finished, eggpath, slot)
         reactor.spawnProcess(pp, sys.executable, args=args, env=env)
         self.processes[slot] = pp
@@ -68,7 +70,7 @@ class Launcher(Service):
 
 class ScrapyProcessProtocol(protocol.ProcessProtocol):
 
-    def __init__(self, eggfile, slot, project, spider, job):
+    def __init__(self, eggfile, slot, project, spider, job, env):
         self.eggfile = eggfile
         self.slot = slot
         self.pid = None
@@ -76,6 +78,8 @@ class ScrapyProcessProtocol(protocol.ProcessProtocol):
         self.spider = spider
         self.job = job
         self.start_time = datetime.now()
+        self.env = env
+        self.logfile = env['SCRAPY_LOG_FILE']
         self.deferred = defer.Deferred()
 
     def outReceived(self, data):
diff --git a/scrapyd/poller.py b/scrapyd/poller.py
index 05c9feaa3..e828617be 100644
--- a/scrapyd/poller.py
+++ b/scrapyd/poller.py
@@ -29,6 +29,6 @@ class QueuePoller(object):
 
     def _message(self, queue_msg, project):
         d = queue_msg.copy()
-        d['project'] = project
-        d['spider'] = d.pop('name')
+        d['_project'] = project
+        d['_spider'] = d.pop('name')
         return d
diff --git a/scrapyd/tests/test_environ.py b/scrapyd/tests/test_environ.py
index 2133a5d5b..b7c3d97ef 100644
--- a/scrapyd/tests/test_environ.py
+++ b/scrapyd/tests/test_environ.py
@@ -22,7 +22,7 @@ class EggStorageTest(unittest.TestCase):
         verifyObject(IEnvironment, self.environ)
 
     def test_get_environment_with_eggfile(self):
-        msg = {'project': 'mybot', 'spider': 'myspider', '_id': 'ID'}
+        msg = {'_project': 'mybot', '_spider': 'myspider', '_job': 'ID'}
         slot = 3
         env = self.environ.get_environment(msg, slot, '/path/to/file.egg')
         self.assertEqual(env['SCRAPY_PROJECT'], 'mybot')
@@ -32,7 +32,7 @@ class EggStorageTest(unittest.TestCase):
         self.failIf('SCRAPY_SETTINGS_MODULE' in env)
 
     def test_get_environment_without_eggfile(self):
-        msg = {'project': 'newbot', 'spider': 'myspider', '_id': 'ID'}
+        msg = {'_project': 'newbot', '_spider': 'myspider', '_job': 'ID'}
         slot = 3
         env = self.environ.get_environment(msg, slot, None)
         self.assertEqual(env['SCRAPY_PROJECT'], 'newbot')
diff --git a/scrapyd/tests/test_poller.py b/scrapyd/tests/test_poller.py
index 0cae9c13c..32291d3e8 100644
--- a/scrapyd/tests/test_poller.py
+++ b/scrapyd/tests/test_poller.py
@@ -37,5 +37,5 @@ class QueuePollerTest(unittest.TestCase):
         self.poller.poll()
         self.queues['mybot1'].pop()
         self.poller.poll()
-        self.failUnlessEqual(d1.result, {'project': 'mybot1', 'spider': 'spider1'})
-        self.failUnlessEqual(d2.result, {'project': 'mybot2', 'spider': 'spider2'})
+        self.failUnlessEqual(d1.result, {'_project': 'mybot1', '_spider': 'spider1'})
+        self.failUnlessEqual(d2.result, {'_project': 'mybot2', '_spider': 'spider2'})
diff --git a/scrapyd/tests/test_utils.py b/scrapyd/tests/test_utils.py
index 8bc174100..c622b8d10 100644
--- a/scrapyd/tests/test_utils.py
+++ b/scrapyd/tests/test_utils.py
@@ -5,9 +5,9 @@ from scrapyd.utils import get_crawl_args
 class UtilsTest(unittest.TestCase):
 
     def test_get_crawl_args(self):
-        msg = {'project': 'lolo', 'spider': 'lala'}
+        msg = {'_project': 'lolo', '_spider': 'lala'}
         self.assertEqual(get_crawl_args(msg), ['lala'])
-        msg = {'project': 'lolo', 'spider': 'lala', 'arg1': u'val1'}
+        msg = {'_project': 'lolo', '_spider': 'lala', 'arg1': u'val1'}
         cargs = get_crawl_args(msg)
         self.assertEqual(cargs, ['lala', '-a', 'arg1=val1'])
         assert all(isinstance(x, str) for x in cargs), cargs
diff --git a/scrapyd/utils.py b/scrapyd/utils.py
index 0971f6f0d..ee8195413 100644
--- a/scrapyd/utils.py
+++ b/scrapyd/utils.py
@@ -35,8 +35,8 @@ def get_crawl_args(message):
     that will be started for this message
     """
     msg = message.copy()
-    args = [unicode_to_str(msg['spider'])]
-    del msg['project'], msg['spider']
+    args = [unicode_to_str(msg['_spider'])]
+    del msg['_project'], msg['_spider']
     for k, v in stringify_dict(msg, keys_only=False).items():
         args += ['-a']
         args += ['%s=%s' % (k, v)]
diff --git a/scrapyd/webservice.py b/scrapyd/webservice.py
index 6c6fa5b73..36bda89b7 100644
--- a/scrapyd/webservice.py
+++ b/scrapyd/webservice.py
@@ -28,7 +28,7 @@ class Schedule(WsResource):
         project = args.pop('project')
         spider = args.pop('spider')
         jobid = uuid.uuid1().hex
-        args['_id'] = jobid
+        args['_job'] = jobid
         self.root.scheduler.schedule(project, spider, **args)
         jobids = {spider: jobid}
         return {"status": "ok", "jobs": jobids}
diff --git a/scrapyd/website.py b/scrapyd/website.py
index c53866832..61075f3a9 100644
--- a/scrapyd/website.py
+++ b/scrapyd/website.py
@@ -57,8 +57,8 @@ class Home(resource.Resource):
 <body>
 <h1>Scrapyd</h1>
 <ul>
-<li><a href="procmon">Process monitor</a></li>
-<li><a href="logs/">Logs</li>
+<li><a href="/procmon">Process monitor</a></li>
+<li><a href="/logs/">Logs</li>
 <li><a href="http://doc.scrapy.org/topics/scrapyd.html">Documentation</a></li>
 </ul>
 </body>
@@ -79,13 +79,14 @@ class ProcessMonitor(resource.Resource):
         s += "<p><a href='..'>Go back</a></p>"
         s += "<table border='1'>"
         s += "<tr>"
-        s += "<th>Project</th><th>Spider</th><th>Job</th><th>PID</th><th>Runtime</th>"
+        s += "<th>Project</th><th>Spider</th><th>Job</th><th>PID</th><th>Runtime</th><th>Log</th>"
         s += "</tr>"
         for p in self.root.launcher.processes.values():
             s += "<tr>"
             for a in ['project', 'spider', 'job', 'pid']:
                 s += "<td>%s</td>" % getattr(p, a)
             s += "<td>%s</td>" % (datetime.now() - p.start_time)
+            s += "<td><a href='/logs/%s/%s/%s.log'>Log</a></td>" % (p.project, p.spider, p.job)
             s += "</tr>"
         s += "</table>"
         s += "</body>"