INDEX. 



475 



PAGE 



Oligotoma Basteroti . . . ... ... ... 215 



bipunctula (XXVII, 12-15 ; 



XXVIII, 5-8) 218 

 var. proxima 



(XXVIII, 3, 4) 219 



decorata (XXVII, 3, 4) ... 217 

 festiva (XXVII, 5-7) ... 216, 227 



ornata (XXVII, 1, 2) 216 



pannus (XXVII, 8-11) 215 



Paludestrina Reevei 

 Paludina fusca 



— glacialis 



— leuta 

 media 



— obsoleta 

 parilis 



tentaculata... 

 vivipara 



Panopasa Menardi 

 Parasipho Kroyeri (XV, 4, 5) 



— var. major 



— var. pumila 

 Patella lacustris 



Patula rysa ... 

 Pera appendiciilata ... 

 Peratotoraa concinna 

 harpula 

 hystrix ... 

 Leuf royi 

 linearis ... 

 purpurea 

 reticulata 

 Petalocoucha (s.-g.) glomeratus 



— intortus 



Philbertia (s.-g.) purpurea ... 



Philberti 



Pisania exigua (XXXV, 22, 23 ; XLIV, 

 Pisidium amnicum (I, 21) ... 

 var. sulcata 

 astartoides (I, 23) . . . 

 casertanum (I, 19) 



— concentricum 

 fontinale ... 



— var. Henslowana 

 Henslowanum (I, 22) 



var. supinum 

 obliquum ... 



34,48 

 .. 34 

 .. 36 

 .. 37 



37 

 .. 37 



37 

 .. 35 

 .. 38 

 52, 211 

 .. 148 

 .. 149 

 .. 149 

 .. 27 

 8 

 .. 46 

 .. 236 

 .. 255 

 240 

 .. 235 

 .. 237 

 .. 232 

 .. 239 

 .. 459 

 .. 457- 

 232 

 .. 234 

 19) 336 

 .42,48 

 .. 43 

 ..43,48 

 ..44,48 

 .. 44 



45 



46 

 ..46,48 

 .. 45 

 .. 42 









PAGE 



Pisidium 



pusillum 





... 44 



— 



suilla 





... 46 



— 



(Rivulina) supinum (I, 20) 



...45,48 



Planaxis 



mammillata 





... 319 



Planorbis clathratus 





... 32 



— 



com plana tus 





... 33 



— 



corneus ... 





32, 48 



— 



marginatus 





... 33 



— 



precursor... 



- ... 



...33,48 



— 



spirorbis ... 





...32,48 



— 



umbilicatus 





... 34 



Pleurotoma albidum 





... 247 



— 



ambiguum 





... 250 



— 



antwerpiensis 





... 205 



— 



arctica . . . 





... 291 



— 



attenuata 





... 256 



— 



var. 



gracilior 



... 257 



— 



var. 



notata . . . 



... 258 



— 



var. 



tenuicosta 



... 257 



— 



var. 



volvula ... 



... 257 



— 



Bertrandi 



266 



273, 380 



— 



bicarinata 





299, 393 



— 



var. 



violacea . . . 



... 292 



— 



bipunctula 





... 218 



— 



Boothii ... 





... 235 



— 



borealis . .. 





... 298 



— 



bi'achy stoma 





... 261 



— 



Broccliii 





... 219 



— 



carinatum 





230, 299 



— 



castanea 





... 379 



— 



cirratum 





... 302 



— 



coarctata 





... 245 



— 



coerulans 





... 246 



— 



compacta 





... 385 



— 



concinna 





... 236 



— 



concinnata 





261, 382 



— 



contigua (XXXIX, 1, 2) 



205, 377 



— 



Cordieri . . . 





... 239 



— 



Cornishii 





... 388 



■ — 



corona ta 





... 221 



— 



costata . . . 





244, 269 



— 



— var. coarctata ... 



... 245 



— 



costato- striata ... 



381 



— 



crassa 



... 



... 224 



— 



crispata . . . 





217,226 



— 



— var. papillosa .. 



... 227 



— 



crispatum, Phil. 



... 219 



— 



Reeve 



... 219 



