Cirrhipeda, Conchifera, and Mollusca. 343 



37. ACHATINA STRIGATA. 



Jl. testd diaphand, suhalbidd, creberrime transversim .mbslriatd, strigis 

 longitudinalibus eastaneis raris ; anfractu basali subangidato ; long, 

 W pmdo plus ; lat. -f% paulo minus ; poll. 

 Habitat in paludibus Brasiliae, (Santo Paulo.) Mus. nost. 



38. ACHATINA SORDIDA. 



ji. testd suhdiaphand, subconicd, anfractu basali ventricoso ; long, f 

 paulo plus ; lat. \ paido plus ; poll. 

 Habitat ad Brasiliam, (Rio de Janeiro.) Mus. nost. 



39. AcHATiNA Sellovii. 



^. testd cylindraced transversim striatd subdiaphand ; long. y% ; lat. -^\; 



poll. 



Habitat ad Brasiliam, (St. Catherine.) Mus. Brit., nost., Brod. 



This shell, which I found at the city of Nossa Sen", de Estero, I have 

 dedicated to my friend, Dr. Sellow, whose researches in Natural History 

 for several years past in the interior of Brazil, are well known to the 

 scientific world. 



40. SUCCINEA FRAGILTS. 



S. testd ovato-acutd, diaphand, ventricosd, transversim striatd, obliqxie 

 subrugosd ; spird brevi ; long, x'-^ paulo minus ; lat. -f^ ; poll. 

 Habitat ad insulam Juan Fernandez. M^ls. Brit, nost., Brod. 



41. SUCCINEA PATULA. 



S. testd diaphand, ovato-rotundatd, ventricosissimd, transversim creber- 

 rime striatd; spird brevissimd ; aperturd patidd ; long. | paido plus; 

 lat. \ paulo plus; poll. 

 Habitat ad insulam Juan Fernandez. 



Marinula. Nov. Genus. 

 Character Genericus. 



Testa ovato-producta, sub-solida; apertura ovata, integra; columella 

 bidentata, et basin versus uniplicata ; dentibus magnis sub-remotis conni- 

 ventibus, superiore maximo ; operculum nullum. 



z2 



