SILURIAN FOSSILS FROM ARISAIG, NOVA SCOTIA AMI. 191 



129. Cyclonema cancellatum, Hall. 



130. " obsoletum? Hall. 



131. " n. sp., No. 1. 



132. " n. sp., No. 2. 



Cephalopoda. 



133. ?Discosurus conoicleus, Hall. 



134. Cyrtoceras ? sp. 



135. Orthoceras eleeantulum, Dawson. 



136. " longicanieratum ? Hall. 



137. " exornatum, Dawson. 



138. " punctostriatum, Hall. 



139. " virgatum ? Sowerby. 



140. " rigidum ? Hall. 



141. " sp. No. 1. 



142. " sp. No. 2. 



143. " sp. No. 3. 



144. " sp. No. 4. 



145. Oncoceras sp. 



VERMES. 



146. Conchicholites sp. 



147. Cornulites flexuosus, Hall. 



148. " " V. gracilis, Hall. 



149. Serpulites dispar, Salter 



ostracoda. 



150. Primitia mundula, Jones. 



151. " ovata ? Jones and Hall. 



152. Beyrichia ajquilatera, Hall. 



153. " tnberculata, Kloeden. 



154. " " V. pustulosa, Hall. 



155. " " V. strictispiralis, Jones. 



156. " " V. Noetlingi, Renter. 



