XIV CO]!TTEXTS. 



•t 



I'AGE 



Fam. IV. ArcadcB. — Area, CucuUaia, Pectimculus, Limopsis, 

 Nucula, Isoarca, Leda, Solenella, Solemya 424 



Fam. V. Trigoniadce. — Trigonia, Myophoria, Axinus, Cur- 

 tonotus, Pseudaxinus, Lyrodesma 430 



Fam. VI. Unionidce. — Unio, Castalia, Anodon, Iridina, 

 Mycetopus, -Sitheria, Miilleria 432 



Section B. SinioNiDA : Integro-pallialia 436 



Fam. VII. ChamidcB. — Chama, Diceras, Eequienia 437 



Fam. VIII. Hippuritidce. — Hippurites, Radiolites, Capri 



:!iella, Caprina, Caprotina 440 



Fam. IX. TridacnidcB. — Tridacna 451 



Fam. X. CardladcB. — Cardium, Conocardium 453 



Fam. XI. LucinidcB. — Lucina, Corbis, Tancrcdia, Diplo- 



donta, Ungulina, Kellia, Montacuta, Lepton, Galeomma 455 



Fam. XII. Cycladxda. — Cyclas, Cjrrena, CjTenoides 461 



Fam. XIII. Cyprinidcs. — C}T)rina, Circe, Astarte, Gouldia, 



Crassatella, Isocardia, Cj^pricardia, Pleuropliorus, Cardilia, 



Megalodon, Pachydomus, Pacliyrisma. Opis, Cardinia. 



Myoconcha, Cardita, Verticordia 463 



Section C. Siphonida ; Sinu-pallialia 472 



Fam. XIV. Veneridcs. — Venus, Cytterea, Meroe, Trigona, 



Artemis, Lucinopsis, Tapes, Vcnerupis, Petricola, Glaxi- 



comya 472 



Fam. XV. Mactridcs. — Mactra, Ilarvella, Gnathodon, Lu- 



traria, Anatinella 477 



Fam. XVI. TelUnid(B. — TcUina, Gastrana, Capsula, Quen- 



stedtia, Psammobia, Sangtiinolaria, Semele, Mesodcsma, 



Ervilia, Donax, Galatea 479 



Fam. XVII. Solenidcs. — Solen, Cultelkis, Solccurtus 486 



Fam. XVIII. Myacidcc. — Mya, Corbula, Xca3ra, Thetis, 



Panopwa, Glycimeris 489 



Fam. XIX. Anatinicla. — Anatina, Bibeiria, Thracia, Phola- 



domya, ]\Iyacitcs, Ceromya, Cardiomorpha, Edniondia, 



Lyonsia, Pandora, Myadora, Myochama, Chamostrca 494 



Fam. XX. Gastroch(Bnid(V. — Gastrochtena, Saxicava, Clava- 



gella, Aspergillum, Humplireyia 500 



Fam. XXI. Fholalidcc. — Pholas, Pholadidea, Xylopbaga, 



Teredo 503 



Index 508 



