336 



INDEX TO GENERA AND SPECIES. 



Marginella persicula, 

 pulchra, 

 pyrum, 

 rosea, 

 Megalomastoma bitubercu- 



latum, 

 Meganteris archiaci, 

 Megathyris decollata, 

 Megerlia truncata, 

 Melania decursa, 

 Melantho ponderosus, 

 Metoptoma pileus, 

 Monobolina plumbea, 



Nacella mytilina, 

 Neritina Ortoni, 

 pupa, 



Obolella cliromatica, 

 Obolus apoUinis, 

 Orthalicus undatus, 

 zebra, 



Pachydon altus, 



carinatus, 



cuneatus, 



erectum, 



obliquis, 



ovatus, 



tenuis, 

 Patella pentagona, 



vulgata. 

 Patina pellucida, 

 Patinella magellanica, 

 Persicula ovula, 

 Physa SafiFordii, 

 Physella Berendtii, 

 Placobranchus gracilis, 



variegatus, 

 Planorbis lunatus, 



miniscus, 

 Platidia anomioides, 

 Pompholyx effusa, 

 Pterogasteron marginatus. 



2 

 2 

 2 



213 

 112 

 145 

 130 



200 

 223 

 281 

 163 



274 

 195 

 195 



163 

 162 

 213 

 212 



197 

 196 

 197 

 197 

 196 

 197 

 197 

 272 

 268 

 280 

 273 

 78 

 223 

 181 

 303 

 303 

 315 

 310 

 143 

 312 

 304 



Pterogasteron nigropunc- 



tatus, 304 



rufescens, 304 



Pygope diphya., 104 



Radius volva, 184 



Rensselseria ovoides, 105 



Rhynchonella Grayi, ^ 153 



loxia, 152 



lucida, 153 



nigricans, 152 



psittacea, 152 



Woodwardii, 153 



Scurria mesoleuca, 264 



scurra, 263 



zebrina, 264 



Simpulopsis corrugatus, 308 



Siplionaria alternata, 32 



peltoides, 37 



thersites, 33 



Tristensis, 33 



Solemya lineolatus, 75 



Somatogyrus Currierianus, 223 



Sphaerella subvexa, 200 



Spondylobus craniolaris, 164 



Strebelia Berendtii, 181 



Strephobasis Clarkii, 223 



corpulenta, 224 



Lyonii, 224 



Strigilla producta, 24 



Stringocephalus Burtini, 113 



Succinea eiFusa, 213 



Tellimera eborea, 73 



Tellina Conrad i, 24 



Tenea parilis, 73 



Terebratella, caurina, 119 



coreanica, 121 



cruenta, 117 

 Terebratulina caput-ser- 



pentis, 106 



dorsata, 116 



pulvinata, 117 



rubicuuda, 117 



Terebratula unguicula, 102 



