INDEX 



169 



Sncdnea aUskana 58 



annexa (59) 



aurelia (59) 



avara 55, 56, 57 



campestris (58) 



chrysis 10, 59 



decampi (56) 



dunkeri 55 



elegans 55 



greeri (58) 



gronlandica 57 



grosvenori 57 



hawkinsi 57 



haydeni (56) 



lineata (59) 



minor (56) 



nuttalliana j8 



obliqua ^8 



oblonga 55 



oregonensis j6 



ovalis55, (56), (58), 59 



pfeifferi 55 



putris 55 



retusa (56), 57, 58 



rustlcana j8 



sillimani 57 



totteniana 55 



vermeta (57) 



verrilli 57 



wardiana (57) 

 Succineidae jjr 

 Succinia (55) 

 Sjmphynota 131 



complanata 7J/ 



costata iji 



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 (iii) 

 Trochilus terrestris mortoni 40 

 Trochlea (83) 

 Trochovitrina (36) 

 Trochula 40 

 Trochulus (40) 



trochiformis (41) 

 Trochus (39) 



terrestris (40) 

 Trophidiscus (82) 

 Tropidina (120), I2I 

 Tropidiscus (81), 82, 85 

 Tropidocjclas 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) 

 hippopaeus (133) 

 katherinae (131) 

 lachrjmosus (133) 

 ligamentinus (126) 

 luteolus (125) 

 mongolicus (132) 

 multiplicatus (133) 

 pictorum 13 

 plicatus (133) 

 quadrulus (133) 

 radiatus (126) 

 rectus (126) 

 rubiginosus (134) 

 sinuatus (132) 



