INDEX 



351 



Michaelsena subtilis 73 



synopsis of species 73 

 Myxicola 188 



affinis 180, 218, 334 



conjuncta iSo, 217-218, 310, 334 



glacialis 180, 218-219, 302, 308, 3io» 



334 

 infundibulum 188 

 ommatophora 175 

 pacifica 172, 218 

 platjchaeta 173 

 steenstrupi 217, 218, 334 



Notaulax 191 



rectangulatus 191 

 species ? (191) 



Ocnerodrilus occidentalis 76 

 Omphalopoma 224 



cristata 224 



fimbriata (224) 



langerhansii (174), (224) 



spinosa (224) 



umbilicata 175, 224 

 Omphalopomopsis 224 



langerhansii 174, 224 

 Oria 184, 189 



armandi 189 



limbata 176 

 Oriopsis 189 



metchnikowi 189 



Papillae, copulatoiy 4 



penial 4 



sexual 5 

 Parachonia 184, 190 



letterstedti 190 

 Paradexiospira 256 

 ParaljEOspira 256 

 Paralaonome 178, 191, 197 



antarctica 176 



japonica 173, 178, 191, 197, 198 

 Parasabella 178, 1S6, 191, 199-200, 202 



maculata 179, 201, 314, 324, 325, 

 326, 330 



media 178, 179, 191, 199, 200-201, 

 312, 325, 326, 328, 333 



microphthalma 200 



species ? 180, 201 



Paravermilia 179, 221, 223 



bermudensis 179, 221, 223 

 Penial bulb 4 



chamber 5 



papillae 4 

 Peptonephridia 5 

 Phragmatopoma 225 



caudata 225 

 Pileolaria 257, 258, 261 



granulata (257) 



militaris (257), (258), (261) 

 Piratesa 227 



nigroannulata 227 

 Placostegopsis 221 



langerhansi 221 

 Placostegus 221, 288 



benthalianus (177) 



caeruleus 177 



cariniferus 177 



crjstallina (221) 



fimbriatus (223) 



langerhansi (221) 



morchii (177). (i79). (226), (287) 



ornatus 175, (176) 



porosus 175 



species 



176 



taeniatus 178 



tricuspidatus (221) 



tridentatus 221, 288 



umbilicatus (175) 

 Poljbostrichus 170 

 Poljphragma 225 

 Pomatoceros 222 



auritubis 174 



bucephalus 175 



elephus 178 



helicoides 174 



strigiceps (177) 



tetraceros (175), (177) 



tricuspis (222) 



triquetra 222 

 Pomatostegus 222 



actinocerus 175 



bowerbanki 178 



krdjeri 172, 236 



latiscapus 174 



macrosoma (222) 



stellata 222 



strigiceps 177 



