TRAVAUX INEDITS. 7 



la description de M. Sowerby. Dans sa deuxième édition, 

 Menke considère la M. irrorata comme vn jeune individu 

 de la M. glabella. 



3. Marginella Poucheti. 



Marg. Poucheti. Petit, J. conc. 1851. pi. 1, f, 3. 



« Testa ovato-oblonga, carneolata, rufo-pallido trizo- 

 nala, ad suturas albo-cincta, spira breviori, obtusiuscula; 

 apertura longitudinali, basi angustata, intus rufa; colu- 

 mella quadriplicata; labrocrasso, marginato, intus albido, 

 crenulato, externe aurantio rufescente ; emarginatura 

 supera interne angustata. Long. 27 mill., larg. 10 inill. >' 



Hab. cotes occident. d'Afrique. 



i. Marginella castanea. 



Volula castanea, Dillw. Cat. rec Shells. V. 1, p. 530. 



« Shell ovate, shining, slightly striated longitudinally; 

 pillar four plaited, and the outer lip trickened and toothed 

 within. 



Volula castanea, Solander's. Mss. 



Martini, ii.Pl. 112, t. 42, f. 430. 



Shell about three-quaters of an inch long, and half as 

 broad, trick, strong, shining, obsoletely striated longitu- 

 dinally, of a chestnut-colour, often more or less mottled 

 with blotches of white, and sometimes marked irregu- 

 larly with white spots at the sutures. The aperture is more 

 contracted towards the base and more channelled, and 

 the outer lip is toothed and more Irickened inwards than 

 in (;ither of the proceding .species. 



Hab. cotes du Brazil, Martini. 



5. Marginella aurantia. 



Marg. aurantia, Lam., An. s. vert, vu, p. 358, n. 10. 



« M. testa ovata, aurantio-rubenle; spira conoideâ, 

 obtusiuscula; labro intus crenato; columella (luadripllcatâ. 

 Long. S lignes. » 



