178 BUSH 



139. Pomatostegus boiverbanki Baird 1865, figures, -f Has- 



well 1884. 



140. Sptrobranchus rostratus (Lamarck 1818, as Vermilia) 



Morch 1863. 



141. Sfirobranchus mbrchi (Quatrefages 1865, as Cymo- 



spira, -f Haswell 1884). 



142. Spirobranchus brachycera (Baird 1865, as Cymospira, 



figures, -f Haswell 1884). 



143. Pomatoceros elcphus Schmarda 1861, figures, + Has- 



well 1884, figures. 



144. Placostegus tceniatus (Lamarck 1818, as Vermilia) 



Morch 1863. 



145. Ditryfa strangulata Deshayes, figure, + Morch 1863. 



146. Sfirorbis tricostalis Lamarck 1818, + Morch 1863. 



147. Spirorbis lamcllosus Lamarck 1818, -f- Morch 1863. 



148. S fir or bis incisus Morch 1863. 



NEW GENERA. 



The following genera, fifteen in number, are here proposed : 



Paralaonome. 



Type, P. jafonica (Marenzeller 1884, as Laonomc, figures). 



Metalaonome. 



Type, M. maria (Lo Bianco 1893, as J3isfira y figures). 



Dasychonopsis. 



Type, D. fallidus sp. nov. 



Parasabella. 



Type, P. media sp. nov. 



Aspeira. 



Type, A. modesta sp. nov. 



Pseudopotamilla. 



Type, P. rcniformis (Leuckart 1849, Malmgren 1867, as 

 Potamilla, figures). 



Schizobranchia. 



Type, S. insignis sp. nov. 



Eudistylia. 



Type, E. gigantea sp. nov. 



