292 



Pecten Lani. 



crassicostatus Sow. 104. 133 



crebricoatatus Phil. 264 



cretatus Rve. 172 



cristularis Rve. 102 



crotilus Rve. 231 



cruentatus Reeve 260 

 culebrenaia Smith 150. 191 



Cumingii Reeve 215 



cuneatus Rve. 74 



cuneolus Rve. 232 



Dalli Smith 175 



danicus Chemnitz 55 



Darwinii Reeve 219 

 decemradiatus Gmel. v. nodosus 42 



dentatus Sow. 155 



denticulatus Ad. et Rve. 217 



Dieffenbachi Gray 162 



digitatus Rve. 227 

 discors Chemn. 66. 114 



dislocatus Say 271 



dissimilis Montr. v. serratus 260 



distans Sow. v. Janus 187 



distans Lam. v. glaber 117 



distans Reeve 228 



distinctus Smith 151 



distortus da Costa 130 

 domesticus Chemn. v. tigrinus 64 



Dringi Reeve 206 



dubius Gmel. v. opercularis 70 



Dumasii Payr. v. inflexus 123 



effulgens Reeve 221 



elegans Gmel. v. opercularis 70 



elegantissimus Desh. 148 



elevatus Sow. v. inflexus 123 



elongatus Born v. pes felis 62 



erubescens Reeve 167 



exasperatus Sow. 124 



excavatus Anton v. sinensis 81 



excavatus Val. v. dentatus 155 



exoticus Chemnitz 65 



Fabricii Phil. v. islandicus juv. 61 



fasciculatus Hinds 227 



fenestratus Forbea 268 



filosu8 Reeve 82 



fimbriatus Phil. v. Hoskynsi 194 



Pecten Lam. 



flabelloidcs Reeve 66 



flabellum Gmel. v. gibbus 101 



flagellatus Lam. v. flexuosus 35 



flammeua Gmel. v. varius 90 



flavidulus Lam. v. glaher 117 



flexuosus Poli 35 



florens Lam. 82 



floridus Hinds 212 



Foresti Martin v. vitreus 72 



fragilis Jeffreys 242 



fricatus Reeve 217 



fucatus Reeve 214 



fulvicoatatus Reeve 226 



fumatus Reeve 160 



funebris Reeve 171 



furtivus Loven v. Teetae 38 



fuscus Lindley 279 



gemmeua Reeve 258 



gemmulatus Reeve 206 

 gibboaus Chemnitz v. turgidus 97 



gibbua L. 101 



gibbus Phil. v. Philippii 132 



giganteus Gray 252 



glaber L. 117 



gloriosua Sow. 111 



glyptus Verrill 280 



griseus Lam. v. glaber 117 



groenlandicus Sow. 240 



hastatus Sow. 233 



hericeus Gould v. hastatus 233 



hiatrionicua Gmel. 128 



Holmesii Dali 248 



Hoskynsi Forbes 194 



Hoskynsi Sara v. imbrifer' 193 



hyalinus Poli 32 



hybridua Lam. 86 



hybridu8 Gmelin v. danicus 56 



Idaeus Reeve 

 imbricatus Gmel. 

 imbrifer Loven 

 inaequivalvis Sow. 

 inaequisculptus Tib. 

 incarnatus Gmel. v, 



263 



30 



192 



236 



v. fenestratus 268 



varius 90 



incomparabilis Risao v. 

 indicua Desh. 

 inflexus Poli 



Testae 



38 

 185 

 123 



