RISSOID^. 55 



Sub-Genus TEYONIA, Stimpson. 

 Smithsonian Misc. Coll. VII, 1865, tt/pe T. elathrata, Stimjyson. 



50. Hydrobia (Tryonia) protea. 



Amnicola protea, Gould, Proc. Boston Soe. V, 1855, Colorado Desert, 

 18 Desert, E. of California; coll. Prof. E. C. Stearns. 



Sub-Genus PSEUDAMNICOLA, Paulucci. 



Mater. Malac. Ital. 1878, tifpe Tahidlna similis, Drap. \^for Amnicola, 

 AtitJiors, not of Gould and Hald.']. 



61. Hydrobia (Pseudamnicola) similis. 



Cyclostoma simile, Draparnaud, Hist. Moll. Fr. 1805 [sine Sah.'] ; Jlde 

 Jeffreys, Hydr. anatina, Auct. \_not of Poiret or Drap.~\. 



2 Boufarick [Algiers] ; coll. P. Joly, Esq. 



3 England ; ex c. G. Nevill, Esq. 



52. Hydrobia (Pseudamnicola) dupotetiana. 



Paludina Dupotetiana, Forbes, Ann. Mag. 1838, Bougie. 



30 Maison Carree [Algiers] ; coll. P. Joly, Esq. 

 7 Biskra; coll. P. Joly, Esq. [3i, 2^]. 

 6 Boghar; coll. P. Joly, Esq. [as " Hy. lutea"]. 



53. Hydrobia (Pseudamnicola) subproducta. 



Hydrobia subproducta, PaladiUie, Eev. Blag. Zool. 1866, Catalonia and 

 Pyrenees Orientales, "errata," p. 40, for Ky. spirata, Paladilhe, I. c. [not 

 of Mequien'\. 



10 Cartagena [Spain] ; coll. G. Nevill, Esq. 



54. Hydrobia (Pseudamnicola) macrostoma. 



Paludina macrostoma, Kiister, Conch.- Cah. II, 1853, Athens. 

 2 Chalcis [Greece] ; ex " Linnsea." 



55. Hydrobia (Pseudamnicola) seminula. 



Amnicola seminula, Charpentier ms., t^on Frauenfeld, Ver. zool.-bot. 

 Ges. Wien, 1S63, p. 1027, Arcadia— long. IS, diam, IS mil. 



8 Eubcea; ex " Linusea" and P. Bouvier, Esq. 



56. Hydrobia (Pseudamnicola) negropontina. 



Amnicola negropontina, Clessin, MaloJc. Bldt. XXV, 1878, Eubcea. 

 4 Eubcea ; ex " Linnsea. " 



