LITTORIN A. 



Species 5. (Mus. (Jiiming.) 



LiTTORiNA spiNHLOSA. LM. tenia conicd, acuta, angwsti 

 profiinde umUlicata, itinbilico interdam oldecto, rufo- 

 carned, anfractibm rngoso-striatis, dKlixu-ancjnlatk, 

 seriatim ndntife nodidatis. 



The spined Littorina. Shell broadly conical, sharp, 

 narrowly deeply umbiiicated, umbilicus sometimes 

 covered, reddish flesh-colour, whorls roughly striated, 

 slantingly angled, sculptured with rows of small no- 

 dules. 



Philippi, Abbild. und Besch. Conch, vol. iii. p. 17. \A. 6. 

 f. 24. 



Ilab. Singapore ; Cuming. 



The reddish flesh-colouring of this species, as compared 



with the uniform livid-grey that prevails in the group, is 



not among the least characteristic of its peculiarities. 



Species 6. (Mus. Cuming.) 



LiTTOKiNA LEMNiscATA. Lift, testd a7iguste coiiicd, imper- 

 foratn, nigra, striis transversi-t et granulormn seriebus 

 tribm, basi obscure albifasciaid, columella concavo- 

 effusd. 



The filleted Littokina. Shell narrowly conical, im- 

 perforated, black, sculptured with transverse striae 

 and three rows of granules, base obscurely white- 

 banded, columella concavely effused. 



Philippi, Pro. Zool. Soc. 1845, p. 139. 



Hab. Cuba? 



k small pyramidally conical shell, sculptured with 



raised transverse lines and granules. 



Species 7. (Mus. Cuming.) 



Littorina Malaccana. Litt. testa sublate conicd, acutd, 

 nigricante-grised, anfractibus superne declimbus, irans- 

 versim striaiis, gramdis albicantibus biseriatim cingu- 

 latis. 



The Malacca Littorina. Shell somewhat broadly co- 

 nical, sharp, blackish-grey, whorls slanting at the 

 upper part, transversely striated, encircled with two 

 rows of whitish granules. 



Philippi, Abbild. und Eesch. Conch, vol. iii. p. 15. pi. 

 6. f. 17. 



Ilab. I'ulo Penang, Malacca. 



More tumid in the lower whorl than the preceding spe- 

 cies, with the granules whitish. 



Species 8. (Mus. Cuming.) 

 Littorina Cumingii. Litt. testa abbreviato-conicd, pro- 

 funde ■umbilicatd, acutd, carneo-cinered, anfractibm 

 superne plano-declivibiis, minute aquamulato-striatis, 

 squamis mnricatis prominentibus biseriatim cingutaiis, 

 basi mnlti-squamafd. 

 Cuming's Littorina. Shell shortly conical, deeply um- 

 biiicated, sharp, flesh-tinged ash-colour, whorls flatly 

 slanting at the upper part, minutely squamulately stri- 

 ated, encircled with two rows of prominent prickly 

 scales, base many-scaled. 

 Philippi, Abbild. und Besch. Conch, vol. iii. p. 17. pi. 

 6. f. 22. 



Echindla Cumingii, Adams. 

 Hab. Island of Guimaras, Philippines. 



This very beautiful species is prominently distinguished 

 by its winding periphery of prickly scales and deep umbi- 

 licus. 



Species 9. (Mus. Cuming.) 

 Littorina dilatata. Litt. tesld subpyramidali-conicd, 

 crassiusculd, imperforatd, livido-grised, nodulis albi-i 

 cingulatd, anfractibus superne declivibus, columelld late 

 concavo-dilatatd, purpnrascen te-fuscd. 

 The dil.ated Littorina. Shell subpyramidally conical, 

 rather thick, imperforated, livid-grey, encircled with 

 white nodules, whorls slanting at the upper part, co- 

 lumella broadly coucavely dilated, purplish-brown. 

 D'Orbigny, Moll. Cuba, p. 307. pi. 14. f. 20-23. 

 Hab. Cuba. 



Chiefly remarkable for the broadly excavated purple- 

 brown columella, and conspicuous white nodules upon a 

 livid-gi'ey ground. 



Species 1 0. (Mus. Cuming.) 

 Littorina subnodosa. Litt. iestdovato-conicd, solidd. 

 imperforatd, yrised, purpureo-fusco iesscllatd, trans- 

 versim triliratd, liris distantibus tenne nodulatU ; 

 aperturd parviusculd, purpureo-fuscd. 



May, 1857. 



