383 



Described from a small white shell in the British Museum ; 

 differing from 31. 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. 



36. Marginella Margarita (pi. lxxv. f. 66, 67.), Klener, Sp. 

 gen. coq. viv. 



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

 ca, anfractibus prope suturam rotuudate sub-angulatis ; columella 

 quadriplicata ; labio externo intus dentato, extus valide varicoso. 



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



36. Marginella oerulescens (pi. lxxvii. f. 153, 154, 155.), 

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



M. ovali, sub-elongata, 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 posticc angulatim elevato, antice 

 minime emarginato. 



From Panama. Fig. 155 represents a dwarf variety. 



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

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



M. " albida, obscure trifasciata ; spira retuse conica ; anfract u 

 ultimo prope medium coarctato ; labio incrassato, medio incurvato, 

 intiis lsevi, superne ad spiram adscendente ; columella quadripli- 

 cata,." 



In Mr. Coming's Collection : locality unknown. 



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

 Zool.Proc. 1844. 



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

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

 labro incrassato, recto, albo, postice fidvo, intus lsevi ; columella 

 quadriplicata." 



Differing from M. caridescens in being more cylindrical, and in 

 not having the angular elevation of the outer lip. 



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

 Belcher's and Mr. Cuming's Collection. 



40. Marginella pulchra (pi. lxxvii. f. 152.), Gray, Breechey's 

 Voyage. 



M. catrulescenti simili, sed spira magis producta, anfractibus 

 rotundatis; colore corneo fulvescente, fasciis obscure purpureis. 



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