640 PROCEEDINGS OP THE ACADEMY OF [DeC, 



color than those in the collection of the Academy of Natural Sciences, 

 probably owing to the dryness of the climate of northeastern Brazil. 



Genus CORONA Albers. 

 Corona regalis (Hup6). PL XXIII, figs. 21, 22. 



Bidimus regalis Hupe, in Castelnau, Exped. dans I'Amer. du Sud. Mol- 



lusques, p. 34, pi. 10, fig. 3 (1857). 

 Corona regalis (Hupe) Pilsbry, Man. Conch. (2), XII, p. 180, pi. 35, figs. 



13, 14, 19; pi. 34, figs. 9-12; pi. 34a, figs. 26, 27; pi. 33, figs. 3, 6. 



One specimen in fine condition was taken at Camp 43, M. & M, 

 R. R., and others in various states of disorganization at various 

 points along the right of way as far down as Camp 39 ; also two dead 

 specimens at Porto Velho. The specimen figured differs from those 

 in the collection of the Academy of Natural Sciences of Philadelphia by 

 the conspicuous blotches on the last 1^ whorls and in showing a 

 darker, richer green color. 



Corona regina (Ffoussac). 



Helix (Cochlitoma) regina Ferussac, Tabl. Systemat., p. 40, No. 342. 

 Corona regina (Fer.), Pilsbry, Man. Conch. (2), XII, p. 177, pi. 33, figs. 1, 

 2, 4, 5. 



A single fine specimen taken near St. Antonio da Cachoeira on the 

 Rio Jary was sent from the Goeldi Museum. 



Genus ORTHALICUS Beck. 



Orthalicus sultana meobambensis Pfr. PI. XXII, lig. is. 



Helix sultana Dillw., Descriptive Cat., II, p. 920 (1817). 

 Bulimus meobambensis Pfr., P. Z. S., 1855, p. 96. 



One living specimen taken at Camp 35, M. & M. R. R., is especially 

 large and fine, differing from the specimens in the collection of the 

 Academy {Man. Conch., XII, pi. 47, fig. 8) by a slightly smaller mouth 

 proportionally, a more rounded outer lip, and in being more brill- 

 iantly colored. It measures alt. 81.5, diam. 51, alt. of mouth 46, 

 diam. of mouth 29.5 mm. 



Several embryonic shells, all showing the characteristic sculpture 

 of this genus, were taken at Camp 39, just under the surface of the 

 ground. 



Subfamily ODONTOSTOMIN.F. 



Genus ODONTOSTOMUS Beck. 

 Odontostomus (Cyclodontina) inflatus (Wagner). 



Pupa inflata Wagner, Testae. Bras., p. 20 (1827). 



Odontostomus (Cyclodontina) inflatus Wagner, Pilsbrv, Man. Conch. (2), 

 XIV, p. 60, pi. 11, figs. 43-45. 



One specimen "from the State of Cearc4" was sent by Mr. Rocha. 



