LITTORINA. 



Plate X\I. 



Species 84. (Mus. Cuming.) 



TjITTORINa Paludinella. Litt. testa mbglobosd, tenid, 

 corned, spird parvd, acuta, anfractibus ad suturam 

 mbimpressis, rotutidalis, lavibus ; olivaceo-castaned ; 

 aperttird subcirculari, columella excavatd, callosd. 



TuE LITTLE Paludina Littorina. Sliell subglobose, 

 tbin, horny, spire small, sharp, whorls rather im- 

 pressed at the suture, rounded, smooth ; olive-chest- 

 nut ; aperture nearly circular, columella excavated, 

 callous. 



Hab. Tasmania. 



A minute, dark-brown, horny-like shell, with the whorls 



narrow and more than usually rounded. 



Species 85. (Fig. a, b, Mus. Cuming.) 



LiTTORiKA Adamsii. Litt. teUd ovato-turbimtd, subtnr- 

 rild, anfractibus Uiteari-sulcatis, superne et iti/ente au- 

 gulatis ; lutescente-albd, ptmctis fuscis vittatd, ptmc- 

 fis ad angulum inferum majoribiis ; aperturd subcir- 

 culari. 



Adams's Littorina. Shell ovately turbinated, somewhat 

 turreted, whorls linearly grooved, angled above and 

 below; yellowish-white, filleted with brown dots, 

 dots larger at the lower angle ; aperture nearly cir- 

 cular. 



Littorina pukheUa, C. B. Adams, MS., Mus. Cuming. 



Hab. Jamaica. 



A minute yellowish shell, of a peculiar turreted form, 



filleted with brown dots. 



Distinguished by a very characteristic clear pattern of 

 small, distiuct red dots upon a blue-white ground. 



Species 8(1. (Mus. Cuming.) 



Littorina minima. Litt. testa otatd, Natic(pformi, sub- 

 unibilicatd, spird parvd, acuta, anfractibus convexis, 

 tdtimo subexpanso; cartilescente-albd, punctis pur- 

 pureo-fmcis regulariter seriatim aspersd ; columella 

 plano-callosd, apertura fauce violaceo-purpured. 



The very small Littorina. Shell ovate, Natica- 

 shaped, slightly umbilicated, spire small, sharp, whorls 

 convex, the last somewhat exiwnded; bluish-white, 

 sprinkled with regular rows of purple-brown dots; 

 columella flatly callous, interior of the aperture vio- 

 let-purple. 



Tnrbo minimus. Wood, Index Test. Supp. pi. 6. f. 29. 



Species 87. (Mus. Cuming.) 



Littorina rufa. Litt. testd ovato-tiirbinatd, solidiim- 

 culd, minute wMlicatd, anfractibus declivi-eonvexis, 

 lavibus, politis; rufofuscescerite; aperturd parvd, 

 fauce callosd. 



The red Littorina. Shell ovately turbiiuited, rather 

 solid, minutely umbilicated, whorls slantingly convex, 

 smooth, polished; red-brown; aperture small, inte- 

 rior callous. 



Recluz, MS., Mus. Cuming. 



Hab. ? 



A minute, solid, bright red-brown shell, with a liright 



polished surface. 



Species 88. (Mus. Cuming.) 



Littorina araucana. Litt. testd oblomjo-omtd, spirit 

 elevatd, anfractibus declivi-eonvexis, tavigatis ; pur- 

 pureo-castaned ; aperturd ovatd, parvinsculd, colu- 

 mella subexcavatd, ad extremitatem dilalatd, apertura- 

 fauce nigrican te-p nrp ured. 



The slender Littorina. Shell oblong-ovate, spire 

 raised, whorls slantingly convex, smooth; purple- 

 chestnut; aperture ovate, rather small, columella 

 slightly excavated, dilated at the extremity, interior 

 of the aperture blackish-purple. 



D'Orbigny, Voy. dans I'Ame'r. Mcrid. p. 393. pi. 58. f. 

 3, 4. 

 A dark, shining, chestnut shell, faintly banded, of a 



slender acuminated form. 



Si>ecie3 S9. (]\Ius. Cuming.) 



Littorina porcata. Litt. testd globoso-ovatd, subveiitri- 

 cosd, profundi umbilicatd, spird parvd, anfractibus 

 declivi-eonvexis, inferni expansis, uttdique spiraliter 

 costal is; cierulesceute-alld ; columella excavatd, aper- 

 ture fance molaceo-ptirpured. 



The ribbed Littorina. Shell globosely ovate, subven- 

 tricose, deeply umbilicated, spire small, whorls slant- 

 ingly convex, expanded towards the lower part, spi- 



June, 1857. 



