58 I{.ISSOIDy"E. 



cn/stallina, Pfr., 1. c Wo. 77, and MeJania spimfera, Adavis, P. 

 Bost. S. Ill, 1851, Jamaica ; fide Shut. Sfc, var. s. = A. anthracina, 

 Mighels, P. B. S. 1843, = P. Jamaicensis, Adams, = P. cisternicola, 

 3IoreIef ; fide v. Martens, 1873 = crystalUna = candeana = cisterni- 

 cola = ornata. 



10 Guadaloupe ; ex c. Prof. W. Newcomb (sent as " A. candeana "). 

 2 Jamaica ; ex " Linncea" (as "A, candeana, Orb."). 

 1 Portorico ; ex Mr. G. Schneider. 



14, Amnicola (Pomatopyrgus) ornata. 



Amnicola ornata, Morelet, Test, noi: II, 1851, Republic San Salvador ; fide 

 Fischer, 1860, = A, coronata, var. 



6 Guatemala [typical] ; coU. A. Morelet, Esq. 



15. Amnicola (Pomatopyrgus) crystallina. 



Palmlina crystallina, Pfelffer, Wieym. Arch. I, 1840, No. 77, Cuba; Conch.' 

 Cab. II, pi. X,fig. 7, 8 ; fide Fischer, 1860, A. coronata Pfr., var. inermis. 



2 Guadaloupe ; ex c. Prof. W. Newcomb (mixed -vvitli A. coronata). 

 1 Portories ; ex Mr. G . Sclmeider. 



I cannot help thinking that Shuttleworth and others have con- 

 founded two distinct, though variable, forms, living together on 

 most of the West Indian Islands. 



16. Amnicola (Pomatopyrgus) jamaicensis. 



Paludina jamaicensis, C. B. Adams, P. Boston Soc. Ill, 1831, Jamaica ; 

 A. coronata, var. fide Shut., ^c. 



10 Jamaica; ex c. Dr. H. Dolirn. 

 7 Jamaica; ex c. Prof. W. Newcomb. 



I cannot bring myself to believe this a mere variety of A. 

 coronata. 



Genus COCHLIOPA, Sthnpson. 



Am. J. Condi. I, 1865, and Smithsonian Misc. Coll. Til, 1863, tiipe Amni- 

 cola rowelli, Tr yon ; genus of suhf am. Fluminicolinae, fide Clessin 1880. 



Not in the Museum collection. 



Genus FLUMIIsriCOLA, Stimpson. 



Smithsonian Misc. Coll. VII, 1863, type Pal. niUlalliana, Lea ; genus 

 of subfam. FluminicolincE, fide Clessin, 1880. 



