249 



Tubiilaria larynx 1S7 

 Turbo (104), (115) 



inuscorum (28) 



nautileus (96) 



stagnalis (106) 



Unio n, 133 

 alatus (126) 

 asperrimus (134) 

 borealis (126) 

 complanatus (132), /jj 

 costatus (133) 

 crassus (126), (133) 

 dahuricus (132) 

 ellipsiformis ( 126) 

 elongatus (132) 

 falcatus (132) 

 flavus (134) 

 gracilis (127) 

 iieros (133) 

 hippopseus (133) 

 katherina; (131) 

 lachrymosus (134) 

 ligainentinus (126) 

 luteolus (125) 

 mongolicus ( 132) 

 multiplicatus (133) 

 pictorum 13 

 plicatus (133) 

 quadrulus ( 134) 

 radiatus (126) 

 rectus (126) 

 rubiginosus (134) 

 sinuatus (132) 

 spatulatus (126) 

 trigonus ( 134) 

 undulatus (133) 

 ventricosus (125) 



Vallonia 22 



albula 23 



asiatica 2J 



costata 23 



gracilicosta 23 



minuta (22) 



pulchella 22, 23 



rosalia (23) 

 Valvata 85, (120) 



carinata (121) 



Valvata confusa (121) 



cristata 120, 122, 124 



helicoidea 123 



iiumeralis 121 



jelskii 120, 121 



lewisi 123 



mergella 124 



minuta 120 



nylanderi 122 



pisciiialis 120, 121, 124 



sibirica 124 



simplex (121), 122, 123 



sincera 122, ( 123) 



striata (123) 



tricarinata 120, /^/, 122 



unicarinata (121) 



virens 12-f 

 Valvatida; 120 

 Valvearius (120) 

 Velifera 36 

 Velletia (108), 109 

 Velutinopsis (61), 62, 65 

 Vertigo 3, 21) 



approximans (31) 



arctica $2 



artluiri (31) 



biniievana J/ 



bollesiana (30) 



borealis 30 



callosa (33) 



castanea (29) 



Columbiana J<J 



elatior (31) 



gouldii 30 



hoppii 21), 



krauseana 32 



lagganensis (31) 



milium 32, 33 



modesta 2g 



ovata 2,1-1 32 



parietalis (29) 



pentodon (28) 



pygmseajj 



simplex (54) 



ventricosa J/ 

 Vertilla milium (32), 33 

 Vesica (59) 

 Vitrea 38, (40) 



binneyana J9 



