INDEX 



169 



Succinea alaskana 58 



annexa (59) 



aurelia (59) 



avara 55, 56, 57 



campestris (58) 



chrysis 10, 59 



decampi (56) 



dunkeri 55 



elegans 55 



greeri (58) 



gronlandica57 



grosvenori j/ 



hawkinsi 57 



haydeni (56) 



lineata (59) 



minor (56) 



nuttalliana 38 



obliqua 38 



oblonga 55 



oregonensis j<5 



ovalis 55, (56), (58), 59 



pfeifferi 55 



putris 55 



retusa (56), 57, 58 



rusticana 58 



sillimani 57 



totteniana 55 



verraeta (57) 



verrilli 57 



wardiana (57) 

 Succineidse 55 

 Succinia (55) 

 Symphynota 131 



complanata fjf 



costata 131 



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) 

 TrochoTitrina (36) 

 Trochula 40 

 Trochulus (40) 



trochiformis (41) 

 Trochus (39) 



terrestris (40) 

 Trophidiscus (82) 

 Tropidina (120), 121 

 Tropidiscus (81), 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), /jj 

 costatus ( 133) 

 crassus (126), (133) 

 dahuricus (132) 

 ellipsiformis (126) 

 elongatus (132) 

 falcatus (132) 

 flavus ( 134) 

 gracilis (127) 

 heros (133) 

 hippopaeus (133) 

 katherin* (131) 

 lachrymosus (133) 

 ligamentinus (126) 

 luteolus (125) 

 mongolicus (132) 

 multiplicatus (133) 

 pictorum 13 

 plicatus (133) 

 quadrulus (133) 

 radiatus (126) 

 rectus (1^6) 

 rubiginosus (134) 

 sinuatus (132) 



