PUPA. 203 



Pupilla Californica, TRYON, Amer. Journ. Conch., III. 304 (1868). 



San Francisco, California, and at Catalina Island, in the California Region. 

 It is also quoted from Colorado by Ingersoll, but I am not sure of the identity 

 of his specimens. 



Animal unobserved. 



SUBGENUS LEUCOCHILA, ALB. & MART. 



Animal as in Pupilla. 



Shell rimate, cylindrically ovate, apex rather obtuse ; rather smooth, shin- 

 ing, pellucid ; whorls 6-7, rather convex, aperture semi-oval, edentulate or 

 narrowed by folds, among which the parietal is the strongest ; peristome thick- 

 ened, reflected, its external margin decidedly arcuate. 



Pupa fallax, SAY. 

 Vol. III. PL LII. Fig. 1. 



Shell fusiform, regularly diminishing in volume from the body-whorl to the 

 apex, smooth ; epidermis brownish horn-color ; whorls 6, very convex, striae of 

 growth hardly apparent; suture well impressed; aperture lateral, rounded 

 oval ; peristome white, rather broadly reflected, lined within with white callus, 

 its right termination strongly curved ; umbilicus perforated. Length, 5|, diam- 

 eter, 2-2| mill.; aperture, 1 mill. long. 



Cijclosloma marginata, SAY, Journ. Acad. Nat. Sci. Phila., II. 172 (1821); BIN- 

 KEY'S eel., 22. 



Bulimus marginatus, PFEIFFER, Mai. Blatt., II. 94; Mon. Hel. Viv., IV. 414. 

 W. G. BIXNEY, Terr. Moll, IV. 136. 



Bulimus fallax, GOULD, in Terr. Moll., II. 288, PI. LII. Fig. 1. 



Pupa fallax, SAY, Journ. Acad. Nat. Sei. Plu'lacl., V. 121 (1825) ; BINNEY'S 

 eel., 28. GOULD, Invertebrata, 192, Fig. 123 (1841), excl. syn. platida,; Bost. 

 Journ. Nat. Hist, IV. 357, PI. XVI. Fig. 15 (1843). DEKAY, N. Y. Moll., 

 51, PI. XXXV. Fig. 331 (1843). PFEIFFER, Mon. Hel. Viv., II. 309; III. 

 333; in CHEMNITZ, ed. 2, 58, PL XII. Figs. 20, 21 (1844). W. G. BINNEY, 

 L. & Fr.-W. Sh., I. 239 (1869). 



Leucochila marginata, TRYON, Am. Journ. Conch., III. 305 (1868). 

 | Leucochila fallax, THYON, 1. c. 



Pupa Parraiana, D'C-RBIGNY, Moll. Cuba, 181, PI. XII. Figs. 9-11 (1853). 



Pupa albilabris, ADAMS, Vermont Mollusca, p. 158 (1842) ; Silliman's Journ. [i], 

 XL. 271. 



Pupilla fallax, MORSE, Amer. Nat., 609, Fig. 53 (1868). 



Paludina turrila, MENKE ? Syn. Meth., 40. 



From Nebraska to Texas and from New England to South Carolina. It may 

 therefore be considered to range over all of the Eastern Province. 1 In several 

 of the West India Islands, also. 



l Referred to ccenopictus and pacifica by Jickeli, Verb. L. C. Akad., XXXIII., 97, PI. 

 V. Fig. 1, radula, II. 1. 



