ON MOLI.USCA OP THE ^EST COAST OF NORTH AMERICA. 



647 



Vni.Tornatina cerealis, GIA. Otia.. Small, white, smooth: but probably = worn 

 young mdcitella, 



178. Tornatina eximia, Baird, P. Z. S. 1863, p. 67. Size moderate : fold appressed : 



subrectangular. 



179. Tornatina carinata, Maz. Cat. no. 223. 



180. Cylichna ?cylindracea, Linn. auct. Intermediate specimens, passing into 

 \80b.Cylichna var. attonsa, rounded off' at apex. 



181. Cylichna planataj n. s. Like mamillata, with apex flattened-off) and fold distinct 



182. Cylichna inculta, Gld. Otia. 



183. Volmda cylindrica, n. s. Like grain of rice, pointed at one end. 



Family Aplydadcs. 



184. Neaplysia Califomica, Cp. Proc. Cal. Ac. 15 inches long. 



185. Navarchus inermis, Cp. Proc. Cal. Ac. Grasses, on shore, Cp. 



Family Pleurophyllidiadis. 



186. Pleurophyllidea Califomica, Cp. Proc. Cal. Ac. Sandy flats, Cp. 



Order Nudibbanchiata. 

 137-198. All the new Nudibranchs are described in the Proc. Cal. Ac. Vide at\ii\\ 

 p. 009. Vide also Gld.'s Otia, and Eseh. Zool. Atlas. 



Subclass PULMONATA. 



For land and freshwater species, both of Pulmonates, Rostrifers, aud Bi> alTM, 

 vide posiea, paragraphs 115-119. 



Family Auriculidee. 

 100. Mnlampiis olivaceus. Opt'. Maz. Cat. no. 235. 

 aOO. Pedipes liratus, Binn. Proc. Ac. N. S. Phil. 1861, p. 333. 



Fanuiy SiphonariaJce. 

 201. Siphonaria Tlwnites, a. s. Like lateralis: with strong lung-rib and obsolete 

 scujptiu'ei 



133 



