383 



Described from n small white shell in the British IMuseuni ; 

 dilTering from M. Margarita in being of a more oval form, having 

 the mouth much longer and wider^ and having the crenulations of 

 the outer lip less distinctly prominent. 



86, Marginella Margarita (pi. Ixxv. f. (SQ, 67.), Kiener, Sp. 

 gen, coq. viv. 



M. parva, ovata, alba ; antice angustata, spira breviuscula, coni- 

 ca, anfractibus prope suturam rotundate sub-angulatis ; columella, 

 quadriplicata ; labio externo intiis dentato, extus valide varicoso. 



A small wliite species not uncommon in Collections, from India. 



36. Marginella cerulescens (pi. Ixxvii. f. 153, 154, 155.), 

 Lam. Anim s. vert. vii. M. prunum, Gmel. Syst. p. 3445. 



M. ovali, sub-elougata, cinerea, obscure trifasciata ; spira conica; 

 anfractu ultimo versus apicem elevato, antice marginato ; apertura 

 elongata, magna, intus valide fusca ; columella antice callosa ; plicis 

 quatuor validis ; labio externo postice angulatim elevato, antice 

 minime emarginato. 



From Panama. Pig. 155 represents a dwarf variety. 



38. Marginella constricta (pi. Ixxvii. f. 156, 157.), Hinds, 

 Pro. Zool. Soc. 1844, p. 74. 



M. "albida, obscure trifasciata ; spira retuse conica; anfractu 

 ultimo prope medium coarctato ; labio incrassato, medio incurvato, 

 intiis Isevi, superne ad spiram adscendente ; columella quadiipli- 

 cata." 



In Mr. Cuming's Collection : locality unknown. 



39. Marginella Sapotilla (pi. Ixxvii. f. 150, 151.), Hinds, 

 Zool. Proc. 1844. 



M. " elongate ovata, fere sub-cylindraceo-ovata , cinerea vel 

 glaucescente, concolore ; spira retuso-conica ; apertura intiis fusca ; 

 labro incrassato, rectfl, albo, postice fulvo, intiis Isevi ; columella 

 quadi'iplicata." 



Difiering from 31. carulescens in being more cylinchical, and in 

 not having the angular elevation of the outer lip. 



In Panama; from 5 to 13 fathoms, sandy mud. Captain 

 Belcher's and Mr. Cuming's Collection. 



40. Marginella pulchra (pi. Ixxvii. f. 152.),(Tra3', Breechey's 

 Voyage. 



M. carulescenti simili, sed spira magis producta, anfractibus 

 rotundatis; colore corneo fulvescente, fasciis obscure purpureis. 



2x2 



