HANNIBAT, : CALIFORNIAN FRESHWATER MOLLUSCA. 



199 



O, present; K, characteristic ; R, recorded from 

 elsewhere, but not from this Province. 



Corneocyclas compressa (Prime) 



P. compressiwi, Prime, Mon. Corbie, fig. 67. 

 C. rotundata (Prime) 



P. rotunda turn, Prime, Mon. Corbie, fig. 81. 

 C. cpqnilateraUs (Prime) 



P. cEquilaterale, Prime, Mon. Corbie. , fig. 66. 

 C. Idahoensis (Roper) 



Unfigured. 

 C. Tremperi, n.sp 



PL vii, fig. 22. 



LYMNOIDE^. 

 Family Lymn.eid.e. 



Lymncea stagnalis (L.) 



Binney, L. and Fw. Sh. N. Am., ii, 

 fig. 28. 

 L. auricularia (L.) 



L. catascopium, Binney, loc. cit., fig. 81. 

 L. pahistris (Miill.) 



Binney, loc. cit., fig. 66. 

 L. contracosta, J. G. Cooper 



Not adequately figured. 

 L. Stcanisi, Hann 



L. viaxima, Stearns, Bull. Geol. Univ. 

 Calif., V, p. 70, fig. 1. 

 L. Cooperi, n.sp 



PI. vi, fig. 1.3. 

 L. (Galbo) truncatula (Miill.) 



L. hnmilis, Binney, L. and Fw. Sh. N. 

 Am., ii, fig. 99. 

 L. (Galba) obrussa (Say) 



Binney, loc. cit., fig. 69. 

 L. (Galba) solida, Lea 



Lea, Trans. Am. Phil. Soc, vi, pi. xxiii, 

 fig. 91, 1838 

 L. (Galba) solida Cubensis (Pfr.) 



L. Cubensis, Hannibal, W. Coast Shells, 

 1910, pi. iii, fig. 4. 



Family Ancylid.e. 



GundlacJiia (Kincaidilla) fragilis (Tryon) . 

 Ancylusfragilis, Hannibal, W. Coast Shells, 

 1910, pi. ii, fig. 2. 

 Lanx (Walkerola) Klamatliensis, n.sp. . 

 Pi. viii, fig. 25. 



L. Nuttaim (Hald.) 



A. Kootaniensis , Binney, L. and Fw. Sh. 

 N. Am., ii, fig. 242. 



L. patelloides (Lea) 



A. j^ntelloides, Hannibal, W. Coast Shells, 

 1910, pi. ii, fig. 1. 



VOL. X. — OCTOBER, 1912. 



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