post ask namespaced apparatus controller going index movement instead create

i have namespaced controller admin functionality. emanate form does work -- ends adult routing ask index movement instead emanate action.

why isn't post removing routed emanate movement should (being restful)?

routes.rb:

  map.namespace :admin |admin|
    admin.resources :events
  end

rake routes:

             admin_events    /admin/events                   {:action=>"index", :controller=>"admin/events"}
    formatted_admin_events    /admin/events.:format           {:action=>"index", :controller=>"admin/events"}
                               post   /admin/events                   {:action=>"create", :controller=>"admin/events"}
                               post   /admin/events.:format           {:action=>"create", :controller=>"admin/events"}
           new_admin_event    /admin/events/new               {:action=>"new", :controller=>"admin/events"}
 formatted_new_admin_event    /admin/events/new.:format       {:action=>"new", :controller=>"admin/events"}
          edit_admin_event    /admin/events/:id/edit          {:action=>"edit", :controller=>"admin/events"}
formatted_edit_admin_event    /admin/events/:id/edit.:format  {:action=>"edit", :controller=>"admin/events"}
               admin_event    /admin/events/:id               {:action=>"show", :controller=>"admin/events"}
     formatted_admin_event    /admin/events/:id.:format       {:action=>"show", :controller=>"admin/events"}
                               put    /admin/events/:id               {:action=>"update", :controller=>"admin/events"}
                               put    /admin/events/:id.:format       {:action=>"update", :controller=>"admin/events"}
                               mislay /admin/events/:id               {:action=>"destroy", :controller=>"admin/events"}
                               mislay /admin/events/:id.:format       {:action=>"destroy", :controller=>"admin/events"}

app/views/admin/events/new.html.erb:

<h1>new event</h1>

<% form_for([:admin, @event]) |f| %>
  <%= f.error_messages %>
  ...

app/controllers/admin/event_controller.rb:

class admin::eventscontroller < applicationcontroller
  def index
    @events = event.find(:all)
    ...
  end

  def create
    @event = event.new(params[:event])
    ...
  end

  ...
end

and finally, bit record record where indeed posting:

processing admin::eventscontroller#index (for 127.0.0.1 during 2008-10-16 18:12:47) [post]
  event id: ...
  parameters: {"commit"=>"create", "authenticity_token"=>"...", "action"=>"index", "controller"=>"admin/events", "event"=>{"location"=>""}}
  eventuality bucket (0.000273)   name * `events` 
rendering template within layouts/application
rendering admin/events/index
completed 0.00757 (132 reqs/sec) | rendering: 0.00118 (15%) | db: 0.00027 (3%) | 200 ok [http://localhost/admin/events]