LTTTORINA. 



Plate XV. 



i 77. (Mus. Cuming.) 

 LiTTOUiN.^ MESPILUM. Litt. testd oUvM conoided, sub- 

 umhiUcatd, solidiusculd, anfractibus convexis, lavibus ; 

 fuscescente-rufd ; aperturd mhcirculari, cohmelld cal- 

 losd. 

 The medlar Littoeina. Shell obtusely conoid, slightly 

 umbilicated, rather solid, whorls convex, smooth; 

 brownish-red; aperture nearly circular, columella 

 callous. 

 HeUx vmpilum, MuhlfekU, Verh. Berl. Ges. Nat. vol. i. 

 p. 219. pi. 8. f. 8. 

 Littorinafusca, Pfeiffer. 

 LiUorina mespihmi, Philippi. 

 Littorina Naticoides, D'Orbigny. 

 Hab. Jamaica. 



A small solid shell, of a characteristic brownish-red or 

 drab colour. 



grained ril)s, which, in specimens of more mature growth, 

 become somewhat obsolete. 



Species 7S. (Fig. a, b, Mus. Cuming.) 



Littorina Thersites. Litt. testa obtuse ovata, soMius- 

 culd, spird brevi, acutd, anfractibus tenne linean-sul- 

 catis, plano-convexis, in/erne subangulatis ; attidd, 

 virescente-caruleo fasciatd ; cohmelld appresso-exca- 

 vatd ; apertum fauce purpttreo-fnscd. 



The Theusites Littorina. Shell obtusely ovate, ra- 

 ther solid, spire short, sharp, whorls finely linearly 

 grooved, flatly convex, slightly angled at the lower 

 part; whitish, banded with greenish-blue; columella 

 appressly excavated; interior of aperture puqile- 

 brown. 



Hab. Valparaiso. 



A small, solid, humped shell, conspicuously linearly 



grooved, of a pale ash-colour, banded with grey-blue. 



Species 80. (Fig. 80 a, 4, and 81, Mus. Cuming.) 

 Littorina picta. Litt. testd ovato-turbinatd, anfractibus 

 convexis vel obsolete lineari-suleatii, inlerdim granu- 

 latis; olivaceo-nigricante, maculis grandibus amphs 

 irregular iter marmoratd ; columella excavatd, aper- 

 turafauce intense purpured. 



The painted Littorina. Shell ovately turbinated, 

 whorls convex or obsoletely linearly grooved, .some- 

 times granulated; olive-black, irregularly marbled 

 with large white spots; columella excavated, inte- 

 rior of the aperture deep-purple. 



Philippi, Abbild. und Besch. Conch, pi. 3. f. 36. 



Hab. Sandwich Islands. 



The specimen of L. picta here represented is Dr. Phi- 



lippi's var. marmorata. 



Species 79. (Mus. Cuming.) 



Littorina grano-costata. Litt. testd subglobosd, spird 

 brevi, acuta, anfractibus convexis, subventricom, spi- 

 raliler lineari-sulcatis, longitndinaliter granoso-cos- 

 tatis; carukscente-albd ; cohmelld appresso-excavatd ; 

 aperturm fauce purpureo-fmcd. 



The grain-ribbed Littorina. Shell sub-globose, 

 spire short, sharp, whorls convex, sub-ventricose, 

 spirally linearly grooved, longitudinally granosely 

 ribbed ; bluish-white ; columella appressly excavated ; 

 interior of the aperture purple-brown. 



Hab. Brisbane Water, Australia ; Strange. 



A pretty little opake blue-white sheU, latticed with 



Species 82. (Fig. a, b, Mus. Cuming.) 



Littorina Feejeensis. Litt. testd ovato-conoided, tenui- 

 culd, spird brevi, acuta, anfractibus ventricosis, planu- 

 latis, inferne angulatis, undique irregulariter granoso- 

 liratis; nigricante, granulis pallidis ; columella exca- 

 vatd, apei-tura fauce purpureo-fuscd. 



The Feejee Littorina. Shell ovately conoid, rather 

 thin, spire short, sharp, whorls ventricose, rather 

 flat, angled at the lower part, everywhere irregularly 

 granosely ridged ; blackish, granules pale ; columella 

 excavated, interior of the aperture purple-brown. 



Hab. Feejee Islands ; Macgillivray. 



A dull, angularly convoluted shell, encircled with small 



chains of whitish grains. 



Species 83. (Mus. Cuming.) 



Littorina picea. Litt. testd obtuse conoided, anfracti- 

 bus plano-convexis, oblique striatis et interdum gram-^ 

 latis, inferne angulatis ; intense piceo-nigrd ; aperturd 

 parvd, columelld excavatd, purpured. 



The pitchy Littorina. Shell obtusely conoid, whorls 

 flatly convex, obliquely striated, sometimes granu- 

 lated, angled at the lower part ; dark pitch-black ; 

 aperture small, columella excavated, purplish. 



Hab. ? 



A solid, pitch-dark, berry-like shell, of a distinct typical 



form from any other of the genus. 



June, 1857. 



