15 



174. Adaeonellidae < Adaeonidae, Meek, Sill. J. 



XXXV, 84. 

 # 



175. Cylichnidae = Bullinadae, Gray, 195. 



# 



176. Bullidae = Bullidae, Gray, 196. 



177. Amplustridae = Amplustridae, Gray, 197. 



# 



178. Lophocercidae = Lophocercidae, Gray, 201. 



179. Aplysiidae = Aplysiadae, Gray, 198. 



B. 



180. Runcinidae = Runcinadae, Gray, 204. 



* 



181. Tylodinidae Tylodinadae, Gray, 203. 



182. Umbrellidae = Unibrelladae, Gray, 204. 



183. Pleurobranchii- 



dae = Pleurobranchidae, Gray, 201. 



ORDER X. NUDffiRANCHIATA. 



SUB-ORDER PYGOBRANCHIA. 



184. Doridopsidae = Doridopsidae, A. & H., T. Z. S. 



1864, 124. 

 # 



185. Dorididae = Doriclidae, Gray, 208. 



186. Onchidorididae Onchidoridae, Gray, 206. 



# 



187. Goniodorididae = Goniodoridae, Gray, 211. 



188. Polyceridae < Polyceraclae, Gray, 213. 



189. Triopidae > Triopidae, Gray, 214. 



190. Ceratosomidae = Ceratosomidae, Gray, 215. 



