University of Michigan 



plicata 112, 12, 13 



costata 112. 12 



torulosa 112, 69, 70 



undulata HI, 42 



Amnicola 9S, 3, 6; 111, 11 



cincinnatiensis 98, 15 



emarginata 98, 15 



guatemalensis 106, 37 



limosa 



102, 5; 111, 6, 7, 10, 20, 22, 



31 



porata. ..98, 15; 111, 7, 31 



lustrica Ill, 7. 22, 31 



walkeri Ill, 7, 31 



Amphilus longirostris 95, 3 



Amphioxides 105, 3, 4 



pelagicus 105, 4 



sternurus 105, 4 



valdiviae 105, 4 



Amphioxus 105, 4, 5, 7 



belcheri 105, 6 



japonicus 105, 6 



californense 105, 11 



caribaeus 105, 7 



elbngatus 105, 13 



japonicus 105, 6 



lanceolatus 105, 5 



sp 105, 6 



Ampullaria 106, 38, 40 



cerasum 106, 38 



erogata 106, 38 



flagellata 106, 37. 41, 42 



belizensis 106. 38, 41 



erogata 106, 38 



ghiesbrechtii 106, 40 



malleata 106, 37 



arata 106, 37 



exculpta 106, 37 



patula 106, 39, 41 



catemaceiisis. . .106, 39, 41 



Amygdalonaias 112, 49, 65 



truncate. 112. 50 



Andromeda 109, 14 



glaucophylla 109, 13 



perfolia Ill, 16 



Anodon purpurascens.112, 52, 53 



rugosus. 112, 40, 41 



Anodonta 112, 37, 38 



globosa globosa 106, 16 



nopalatensis 106= 16 



grandis 98, 15 



footiana 



..102, 5; 111, 6, 18, 22, 43 



imbecillis 112, 32, 37, 38 



kennicotti 98, 15 



lata 112, 32 



marginata 



. .102, 5; 111, 6. 9, 11, 43 



ohiensis 112, 32, 37 



pennsylvanica 112, 40 



pepiniana 98, 15 



tabascensis 106. 16 



undulata 112, 40 



Anodontoides ferussacianus bu- 

 chanensis. . .111, 6, 22, 43 



Anthus obscurus 93, 4 



Aperostoma dysoni. . .106, 42, 43 



Aplexa 98, 5 



hypnorum.98, 14; 111, 15, 32 



tryoni 98, 14 



Ajtrolepis 99, 1 



barliarae 99, 1, 2 



Archilestes 96, 4, 5, 8 



grandis 96, 6. 9 



Ai'ctostaphylos uvaursi. . Ill, 24 



Argyrosomus 101, 1 



Artonaias 106, 24, 25, 27 



Asclepias incarnata. .111, 16, 29 

 Aspidium thelypteris. . . . Ill, 29 

 Asymmetron. .105, 2, 3, 4, 14, 16 



australe 105, 15 



bassanum 105, 15 



caudatum 105, 16 



cingalense 105, 15 



cultellum 105, 15 



hectori 105, 15 



lucayanum 105, 16 



macricaudatum 105, 16 



maldivense 105, 15 



orientale 105, 16 



Auchenoglanis ballayi. . .95, 3 



Austrolestes 96, 2 



Averellia 106, 60 



coactiliata 106, 57, 59 



sumichrasti 106, 58 



suturalis 106, 58 



B 



Barbus 95, 1 



taeniurus 95, 1 



