INDEX 



295 



Placostegus sp. 176 



tJeniatus 178 



tricuspidatus 22 1 



tridentatus 221, 288 



umbilicatus 175 

 Poljphragma 225 

 Pomatoceros 222 



auritubis 174 



bucephalus 175 



elephus 178 



helicoides 174 



strigiceps 177 



tettaceros 175, 177 



tricusfiis 222 



triquetra 222 

 Pomatostegus 222 



actinocerus 175 



bowerbanki 178 



krojeri 172, 236 



latiscapus 174 



macrosoma 222 



stellata 222 



strigiceps 177 

 Potamilla 185, 191, 192, 193, 202, 203, 

 204 



acuminata 173 



nialmgrcni 203 



myriops 173 



neglecta 192, 203 



ocuHfcrn 204 



oligophthalmos 175 



polyophthalmos 175 



reniformts 172, 178, 185, 193, 203, 

 204 



suavis 173 



tennitorquus 174 



tor ell I 173, 203 



tortuosa 204 

 Potamis 193 



malmgreni 203 



spathifcrus 193, 203 

 Protis 227, 229 



arctica 229 



coecus 227 



simplex 227, 229 

 Protoplacostegus 179, 226, 287 



morchii 177, 179, 226, 287 

 Protula 226, 227 



alba 228 



Protula arctica 229 



atypha 180, 228, 332 



diomedex 228 



dystera 226 



geniculata 173 



intestinum 227, 228 



media 228 



rudolphi 227 



tubularia 228 

 Protulides 184, 185, 190 



elegans 184, 185, 190 

 Protulopsis 227, 22S 



intestinum 227, 228 



nigra-nucha 175, 227 

 Pseudopotamilla 178, 192, 193, 202, 203, 

 205 



debilis 180, 204, 330 



mjriops 173 



oculifera 193, 208, 324, 325, 326, 

 332, 333 



oligophthalmos 175 



pohophthalmos 175 



reniformis 172, 178, 185, 193, 203, 

 204, 208 



suavis 173 

 Psjgmobranchus 227 



ccectis 227 



multicostatus 227 



protensus 227 



Rhodopsis 179, 223, 289 



pusillus 179, 223, 289 

 Romanchella 256, 258, 262 



perrieri 25S 



Sabella 171, 183, 185, 187, 192, 193, 197, 



198, 200, 203, 204, 209 

 acrophthalmos 174 

 armaia 177 

 aulaconota 173 

 ceratodaula 177 

 crassicornis 194, 195 

 elegans 179, 194, 196, 310, 312, 324, 



326, 333 

 formosa 179, 195, 196, 312, 325, 



326, 32S, 330 

 fullo 173 

 fuse a 177 

 grandis 1 77 



