HELICIXA.— Plate I. 



Species 4. (Mus. ? Copied.) 



Hei.icina festiva. TId. testa solida, angulatd, ruhro- 

 fiiscd concentrice rugatd, inter rugis rubra Lineatd, 

 medio luteo fasciatd ; callo ventrali luteo, ntbro 

 marginato, columeUd parvd, aculcatd ; lahio externa 

 luteo, incrassata, infra ad columellam evmrginato. 



The FEsTm: IIelicina. Shell solid, angular, concen- 

 trically wrinkled, with red lines between the 

 wrinkles ; banded with yellow in the middle ; 

 ventral callus yellow, bordered with red ; colu- 

 mella small, aculeated ; outer lip yellow, thickened, 

 notched below at the columella. 



(ii:AY. Zoology of Beechy's Voyage, p. 145, t. 38, f. 



Ilah. ? 



\Ve have met with shells resemblino; this, but not 

 Mieh as could be considered characteristic. Tlie 

 original type seems to be lost. 



Species 5. (Mus. Nobis.) 



Helicisa ochracea. Hel. testa oblique angulatd, solida, 

 ochraeed, concentric!: tenuiter rugatd; spird convexo- 

 conicd, obtusd; ultimo anfractu media subangulatn ; 

 callo ventrali expanso, crasso ; columella abliqud, 

 parvd, subtuberculari ; labia externa superne siib- 

 sinuata, medio expanso, fere in lubam prodiicto, 

 ad columellam emarginato. 



The ochraceous Helicina. Shell obliquely anguhir, 

 solid, ochraceous, concentrically finely wrinkled ; 

 spire couvex-conical, obtuse ; last whorl rather 

 angular in the middle ; ventral callus expanded, 

 thick, columella oblique, small, subtubercular ; 

 outer lip subsinuous above, expanded in the 

 middle, and produced almost into a lobe, emar- 

 ginated at the columella. 



I'OEV. Mem. p. 112, t. 11, f. 1-4. 



Hah. Cuba. 



Species 6. (Mus. Brit.) 



Helicina palliata. Hel. testd subglobosd, mediocriter 

 tenui, fusco-rubescenti ; spird conicd, subacuminatd ; 

 anfractibus suhplanulatis, ultimo anfractu magno, 

 (■alio ventrali tenui, expanso, columelld brevi, 

 aculeatd ; aperturd magnd, labia externa atirantio, 

 Iota, infra ad columellam emarginato. 



The cloaked Helicina. Shell subgloliose, moderately 

 thin, reddish-brown; spire conical, subacumi- 

 natcd ; whorls rather flattened, last whorl large, 

 ventral callus thin, expanded, columella short. 



aculeated; aperture large, outer lip orange, broad, 



notched below at the coluraeUa. 

 C. B. Adams. Contributions to Conchology. 

 Helicina citrinolabris (var.), C. B. Adams. 

 Helicina albolahris (var.), C. B. Adams. 

 Helicina consanguinea, C. B. Adams. 

 Hab. Jamaica. 



The above variations are scarcely of specific impor- 

 tance. The mouth is larger than in Helicina Brawnii. 



Species 7. (Mus. Nobis.) 



Helicina hicrostoma. Hel. testd dejvessd, teniusculd, 

 pallide {sed fasciatim magis vivide) fulvd ; spird 

 depressa-conicd ; ultimo anfractu depresso, callo 

 ventrali rotunda, columelld oblique aculeatd ; aper- 

 turd lata, compressd, labia externa reflexo, supemi 

 Jlexuosim depresso, infrd ad columellam profunde 

 inciso-emarginato. 



The s.m.\ll-moutued Helicina. Shell depressed, 

 rather thin, pale (but more brightly in bands) 

 fulvous ; spire depressed-conical ; last whorl 

 depressed, ventral callus rounded, columella 

 obliquely aculeated ; aperture broad, compressed, 

 outer lip reflected flexuous, depressed above, with 

 a deeply cut notch below at the columella. 



C. B. Adams, New York Lyceum, 



Hah. Jamaica. 



A species easily known by the flexuously depressed 

 form of its outer lip, and other peculiarities. 



Species 8. (Fig. a, b, Mus. Brit.) 



Helicina macilenta. Hel. testd alba, compressd, , 

 pellucidd; spird parvd, anfractibus paula , 

 callo ventrali incanspicuo ; columelld parvd, obliqu'e 

 aculeatd ; aperturd depressd, labia externa superne 

 arcuato, infri prope columellam valde flexuoso. 



The lean Helicina. Shell white, compressed, semi- 

 pellucid ; spire small, whorls a little convex; 

 ventral callus incons2)icuous ; columella small, 

 obliquely aculeated; aperture depressed, outer 

 lip arched, strongly flexuous below, near the 

 cclumella. 



C. B. Adams. Contributions to Conchology. 



Hab. Jamaica 



A pretty Uttle species, remarkable for its depressed 

 form, and a strong flexure in the lower part of the 

 outer lip near the juncture. 



