IN I) K X. 



Unio Aveiyi 87 



" bulbosus 9 



" buUoides 82 



" Burkcnsis 33 



" Caldwellii 83 



" Canadensis 86 



" Chattanoogaensis 27 



" compactus 30 



" consobrinus 90 



Cumingii 



Deraeraraensis... 



dcuigratus 



diminutiis 



Dowiiiei 



Dysonii 



fibuloides , 



fluctiger 



Goasooianensis... 

 Hazlehurstiauus. 



Japanensis 



Layardii 



Mauritianus 



melleiis 



62 



61 



75 



67 



modicus 22 



multiplicatus 40 



inutabilis 66 



Nagpoorensis 88 



navigioliformis 63 



Neislerii 30 



obfuscus 15 



parvus 39 



penicillatus 21 



persulcatus 73 



phaseolns 38 



Plantii 10 



plicatuliis 65 



rosU'llii 32 



Tratlii 24 



Unio purpurellus ^y 



" radians jn 



" Roswellensis 23 



" Kowellii ' -^ 



" rndus ^^ 



" Satillaensis 3^ 



" Scamnatus -j-j 



" Shanghaiensis g^ 



" Sikkimensis yg 



I " spissns../ 20 



" stramineus ^j 



" subniger ■^_^ 



" sudiis. J2 



" Snmatreusis jy 



" tetricus 23 



" Thwaitesii (j, 



" veutricosus ^2 



" vittatus (jy 



) " Wilsonii „ -, 



" Woodwardianus jy 



" Wynegungaensis.; gg 



Margaritana Conuasaugaensis 47 



" EUiottii 44 



" Georgiana 45 



" margaritifera 42 



" triangulata, 4^ 



Monocondylcea Cumingii 53 



" planulata gQ 



" rhomboidea gi 



Anodonta crepera j^ 



" Dahomeyensis rg 



" Dariensis 45 



" Gesnerii 43 



" gracilis jy 



" Hallenbeckii 5Q 



" luteola gj 



" Senegalensis yg 



" subcrassa 54 



tenuis r..-. 



