MUSEUM OF COMPARATIVE ZOOLOGY. 345 
Polygyra Troostiana, LEA, Terr. Moll., V. 
Hazardi, Bu. iS s" 
oppilata, Mor. E e 
Dorfeuilliana, LEA. i " 
66 «6 
septemvolva, ۰ 
cereolus, MUHLF. 
Carpenteriana, BL. 
Febigeri, BL. A^ i 
pustula, FÉR. 
pustuloides, Bu. s i 
leporina, GLD. M ۳ 
Polygyrella polygyrella, Bu. & C. “ e 
113 ¢ 
Strobila labyrinthica, SAY. 
Hubbardi, A. D. B. ie f? 
Stenotrema spinosum, LEA. 
labrosum, BL. 
Edvardsi, Br. i " 
barbigerum, Rxpr. " 
stenotremum, FÉR. x E 
hirsutum, SAY. 8 E 
monodon, R. di B 
germanum, Grp. ài ki 
Triodopsis palliata, ۰ Y E 
obstricta, S. m p 
appressa, S. d d 
inflecta, S. M hs 
Rugeli, 811. NT s 
tridentata, B. i d 
Harfordiana, J. G. CO, ۴ n 
introferens, BL. d " 
Hopetonensis, SH. a ks 
113 ce 
Van Nostrandi, Bu. 
vultuosa, Grp. See this paper. 
loricata, GLD. Terr. Moll, V. 
Mesodon major, BINN. a 
albolabris, S. ix i 
divesta, G. 3 ¥ 
multilineata, S. er T 
Pennsylvanica, GREEN. “ ps 
Mitchelliana, LEA. y: te 
[1j [1j 
elevata, ۰ 
Clarki, LEA. a M 
Christyi, Bu. 
exoleta, BINN. 
Wheatleyi, Bu. 5 x 
dentifera, ۰ 4 s 
