169 



Succinea alaskana 58 



anncxa (59) 



aurelia (59) 



avara 55, 56, 57 



campestris (58) 



chrysis 10, 59 



decampi (56) 



dunkeri 55 



elegaiis 55 



greeri (58) 



gr6nlandica57 



grosvenori ^7 



hawkinsi 57 



hajdeni (56) 



lineata (59) 



minor (56) 



nuttalliana_j5 



obliqua j5 



oblonga 55 



oregonensis j6 



ovaIis55, (56), (5S),59 



pfeifferi 55 



putris 55 



retusa (56), 57,58 



rusticana j8 



sillimani 57 



tottcniana 55 



vermeta (57) 



verrilli 57 



wardiana (57) 

 Succineidse 55 

 Succitiia (55) 

 Sytnphvnota 131 



complanata /j/ 



costata /J/ 



katherinse 131 



Tanousia (61), 62, 65 



Tapada (55) 



Taphius (81), 85 



Teba (39) 



Tellina heiislowana (145) 



virgiiiica (141 ) 

 Torquis 83, 86 



arcticus 96 



nathorsti 96 



parvus 95 



umbilicatellus 96 



vermicularis 95 



Trimusculus (in) 

 Trochilus terrestris mortoni 40 

 Trochlea (83) 

 Trochovitrina (36) 

 Trochula 40 

 Trochulus {40) 



trochiformis (41) 

 Trochus (39) 



terrestris (40) 

 Trophidiscus (82) 

 Tropidina {120), 121 

 Tropidiscus (Si), 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) 

 boreal is (126) 

 complanatus (132), /jj 

 costatus (133) 

 crassus (126), (133) 

 dahuricus (132) 

 ellipsiformis (126) 

 elongatus (132) 

 falcatus (132) 

 flavus ( 134) 

 gracilis (127) 

 heros (133) 

 hippopsus (133) 

 katherinae (131) 

 lachrymosus (133) 

 ligamentinus (126) 

 luleolus (125) 

 mongolicus (132) 

 multiplicatus (133) 

 pictorum 13 

 plicatus (133) 

 quadrulus (133) 

 radiatus (126) 

 rectus (126) 

 rubiginosus (134) 

 sinuatus (132) 



