10 AMPULLAEIID^l. 



24. Ampullaria (Pomus) adust a. 



Ampullaria adusta, Reeve, Icon. 1856, Jiff. 11, Loo, ? (not of Tristram, P. 

 Z. S. 1863). 



1 South America ; ex c. G. Nevill, Esq. 



25. Ampullaria (Pomus) urceus. 



Nerita urceus, Midler, Hist. Verm. 1774, p. 174,&s " in insulis India edulis." 



1 South America; ex c. G. Nevill, Esq. 

 1 New Granada ; ex c. A. Morelet, Esq. 



26. Ampullaria (Pomus) testudinea. 



Ampullaria testudinea, Reeve, Icon. 1856, Jig. 114, Loc. ?; Jide Martens, 

 should be A.Jigulina, Spix. 



1 Kv. Amazon ; ex c. A. Morelet, Esq. (as " A. testudinea "). 

 1 South America ; ex c. G. Nevill, Esq. 



Reeve's fig. 75, " A. dolioides" is very close to this latter. 

 Spix's fig. of A. figulina is very bad ; it seems to me it can 

 hardly be this species ! 



27. Ampullaria (Pomus) martensiana, n. sp, 



A. columbiensis, [/Sow. Ms.'] Reeve, Icon. 1856, Jig. 25 and Nevill, Cat. 

 Fasc.IE,p.l6 ; not A. columbiensis, [Sow. Ms.~\ Philippi, Conch. Cab. 

 II, 1851, pi. V, Jig. 5. 



1 S. America ; ex c. G. Nevill, Esq. 



28. Ampullaria (Pomus) cumingi. 



Ampullaria Cunaingii, King, Zool. Jour. I 7 , p. 344, Taboga, Panama. 



1 Panama; ex c. Dr. H. Dohrn. 



Exactly intermediate in size between Reeve's large form and 

 the smaller one of Conch. Cab. ; alt. 31J, diam. 29J mil. 



29. Ampullaria (Pomus) decussata. 



Ampullaria decussata, Moricand, Mem, Soc. Phys* Gfneve, VII, 1836, 

 Brazil. 



2 Brazil; ex c. Dr. H. Dohrn. 

 Neither quite adult. 



