58 llISSOIDA^. 



cTijstalUna, Pfr., I. c No. 77, and Melania spinifera, Adams, P. 

 Post. S. Ill, 1851, Jamaica ; fide SMit. Sfc, var. s. = A. anthraeina, 

 MigJiels, P. B. S. 1845, = P. Jamaicensis, Adams, = P. cisternicola, 

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

 cola = ornata. 



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

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

 1 Portorico ; ex Mr. Gr. Schneider. 



14. Amnicola (Pomatopyrgus) ornata. 



Aninicola ornata, Morelet, Test. nov. II, 1851, RejpiMic San Salvador ; fide 

 FiscJier, 1860, =^ A. coronata, var. 



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



15. Amnicola (Pomatopyrgus) crystallina. 



Paludina crystallina, Pfeiffer, Wiegm. Arch. I, 1840, No. 77, Quia; Conch.- 

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



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

 1 Portories; ex Mr. G. Schneider. 



I cannot lielp thinking that Shuttle worth and others have con- 

 fonnded 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, 1851, Jamaica ; 

 A. coronata, var. fide Shut., 8^c. 



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

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



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

 coronata. 



Genus COCHLIOPA, Sthwpson. 



Am. J. Conch. I, 1865, and Smithsonian Misc. Coll. VII, 1865, type Amni- 

 cola roioelli. Try on ; genus of suhfam. Fluminicolince, fide Clessin 1880. 



Not in the Museum collection. 



Genus FLUMINICOLA, Stimpson. 



Smithsonian Misc. Coll. VII, 1865, type Pal. nuttalliana, Lea ; genus 

 of suhfam. Fluminicoli nee, fide Clessin, 1880. 



