Cirrhipeda, Conchifera, and Mollusca. 343 
37. ACHATINA STRIGATA. 
Al. testé diaphand, subalbidd, creberrimé transversim substriatd, strigis 
longitudinalibus castuneis raris ; anfractu basali subanqulato ; long. 
4% paulo plus ; lat. =°; paulo minus ; poll. 
Habitat in paludibus Brasilie, (Santo Paulo.) Mus. nost. 
38. ACHATINA SORDIDA. 
A. testd subdiaphand, subconicd, anfractu basali ventricoso ; long. 
paulo plus ; lat. 3 paulo plus ; poll. 
Habitat ad Brasiliam, (Rio de Janeiro.) Mus. nost. 
39. ACHATINA SELLOVII. 
A. testd cylindraced transversim striatd subdiaphand; long. 5°; ; lat. 253 
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 FRAGILIS. 
S. testd ovato-acutd, diaphand, ventricosd, transversim striatd, oblique 
subrugosd ; spird brevi; long. ; paulo minus ; lat. ;; poll. 
Habitat ad insulam Juan Fernandez. Mus. Brit., nost., Brod. 
41. SuccinEA PATULA. 
S. testd diaphand, ovato-rotundatd, ventricosissimd, transversim creber- 
rimé striatd ; spird brevissimd ; aperturd patuld ; long. 4 paulo plus; 
lat. 4 paulo plus; poll. 
Habitat ad insulam Juan Fernandez. 
Marinuta, 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. 
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