INDEX 



169 



Succinea alaskana 58 

 annexa (59) 

 aurelia (59) 

 avara 55, 56, 57 

 campestris (58) 

 chrysis 10, 50 

 decampi (56) 

 dunkeri 55 

 elegans 55 

 greeri (58) 



grosvenori 57 



hawkinsijr/ 



haydeni (56) 



lineata (59) 



minor (56) 



nuttalliana 58 



obliqua 38 



oblonga 55 



oregonensis 56 



ovalisss, (56), (58), 59 



pfeifferi 55 



putris 55 



retusa (56), 57, 58 



rusticana 38 



sillimani 57 



totteniana 55 



vermeta (57) 



verrilli 57 



wardiana (57) 

 Succineidse 55 

 Succinia (55) 

 Symphynota 131 



complanata /j/ 



costata /j/ 



katherinae 131 



Tanousia (61), 62, 65 



Tapada (55) 



Taphius (81), 85 



Teba (39) 



Tellina henslowana (145) 



virginica (141) 

 Torquis 83, 86 



arcticus 96 



nathorsti 96 



parvus 95 



umbilicatellus 96 



vermicularis 95 



Trimusculus (ill) 

 Trochilus terrestris mortoni 40 

 Trochlea (83) 

 Trochovitrina (36) 

 Trochula 40 

 Trochulus (40) 



trochiformis (41) 

 Trochus (39) 



terrestris (40) 

 Trophidiscus (82) 

 Tropidina (120), 121 

 Tropidiscus (8l), 82, 85 

 Tropidocyclas henslowana 145 

 Truella (55) 



elongata 55 

 Turbo (104), (115) 



muscorum (28) 



nautileus (96) 



stagnalis (106) 



Unio ii, 133 

 alatus (126) 

 asperrimus (133) 

 borealis (126) 

 complanatus (132), fjj 

 co status (133) 

 crassus (126), (133) 

 dahuricus (132) 

 ellipsiformis (126) 

 elongatus (132) 

 falcatus (132) 

 flavus (134) 

 gracilis (127) 

 heros (133) 

 hippopseus (133) 

 katherinse (131) 

 lachrymosus (133) 

 ligamentinus (126) 

 luteolus (125) 

 mongolicus (132) 

 multiplicatus (133) 

 pictorum 13 

 plicatus (133) 

 quadrulus (133) 

 radiatus (126) 

 rectus (126) 

 rubiginosus (134) 

 sinuatus (132) 



