XVI 
INDEX, 
Order I.— ACEPHALA TESTACEA— 
Anodontca, 94 
Iridina, 95 
Dipsada, 95 
Unio, 95 
Hyria, 95 
Castalia, 95 
Cardita, 96 
Cypricardia, 96 
Coralliophagia, 96 
Venericardia, 96 
Paphia, 96 
Fam. 3. — Chamacea, 97 
Chama, 97 
Tridacna, 97 
Tridacna proper, 97 
Hippopus, 98 
Chama, 98 
Diceras, 98 
Isocardia, 98 
Fain. 4. — Cardiacea, 99 
Cardium, 99 
Hemicardiirm, 99 
Donax, 99 
Cyclas, 100 
Cyrena, 100 
Cvprina, 100 
Galathaea, 101 
Corhis, 101 
Tellina, 101 
Loripes, 102 
Lucina, 102 
Ungulinsea, 102 
Venus, 102 
Astartae, 103 
Crassinsea, 103 
Cytherae, 103 
Capsa, 104 
Petricola, 104 
Corbula, 104 
Mactra, 104 
Mactra proper, 104 
Lavignons, 105 
Fam. 5. — Inclusa, 105 
Mya, 105 
Lutraria, 105 
Mya proper, 106 
Anatina, 106 
Solemya, 106 
