L I T T R I N A. 



Plate VIII. 



Species 35. (Mus. Cuming.) 



LiTTORiNA TENUIS. LM. testa, ovato-oblongd, aciUd, im- 

 perforatd, anfractibus decUvi-convexis, concentrke te- 

 nue lineari-mlcatis ; carneo-albidd, opaco-albo obscure 

 lentiginosd ; aperturd parviuscnld, labro columellari 

 tenue rejlexo. 



The thin Littobina. Shell ovately oblong, sliarp, im- 

 perforated, whorls shintingly convex, concentrically 

 finely linear-grooved ; flesh-white, obscurely freckled 

 with opake-white ; aperture rather small, columellar 

 lip thinly reflected. 



Philippi, Abbild. und Besch. Conch, p. 18. pi. 6. f. S. 



Hab. Island of Ticao, Phdippine Islands. 



A light-drab freckled shell, having more the appearance 



of a Bidimus than of a Littorina. 



Species 36. (Tig. a, b, Mus. Cuming.) 



Littokina conica. L'M. tedd subpyramidali-conicd, te- 

 tiuicidd, imperforatd, anfractibus plano-declivibns, pa- 

 rum convexis, spiraliter lineari-sulcatis, infirne an- 

 gulatis, ad angulum tenuicarinalis ; pellmidu-grhed, 

 fuscescente viltatd et lentiginosd, interdmn slramiiied ; 

 aperturd parviusculd, columelld apprensd, sulcata, la- 

 bro tenue refiexo, violaceo. 



The conical Litorina. Shell somewhat pyramidally 

 conical, rather thin, imperforated, whorls flatly slant- 

 ing, but little convex, spirally linear-grooved, angled 

 round the lower part, finely keeled at the angle; 

 transparent-grey, filleted and freckled with light- 

 brown, sometimes straw-colour ; aperture rather 

 small, columella appressed, grooved, lip thinly re- 

 flected, violet. 



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



Hab. Japan. 



An extremely graceful and characteristic species, of a 



pyramidally conical form, semitransparent, either yellow 



or freckled with a neat filleted pattern, the columellar lip 



being of a violet hue. 



Species 37. (Fig. a, b, Mus. Cuming.) 



Littorina Africana. Lilt, lestd ovato-conied, subventri- 

 cosd, solidiusculd, imperforatd, anfractibus convexis, 



lavibus, spiraliter lineari-sulcatis, inferne angulatis, 

 tenuicarinalis; caruleo-albd ; columelld late excavatd, 

 cum aperturce fance intense purpureo-castaned. 



The African Littorina. Shell ovately conical, some- 

 what ventricose, rather solid, imperforated, whorls 

 convex, smooth, spirally linear-grooved, angled and 

 finely keeled round the lower part ; bluish-white ; 

 columella broadly excavated, with the interior of the 

 aperture deep purple-chestnut. 



Philippi, Abbild. und Besch. Conch, p. 31. pi. 4. f. 10. 



Hab. Algoa Bay ; Krauss. 



A solid, opake, blue-white shell, faintly linear-grooved, 

 neatly angled round the lower part, having the columella 

 and interior of the aperture richly stained with dark pur- 

 ple-chestnut. 



Species 38. (Fig. a, b, Mus. Cuming.) 



Littorina Planaxis. Lilt, lestd subgloboso-conicd, ven- 

 tricosd, imperforatd, anfractibus lavibus, superne siib- 

 impressis, deinde convexis ; olivaceo-fitscd, albo floc- 

 catd ; columelld latbssime excavatd. 



The Planaxis Littorina. Shell somewhat globosely 

 conical, ventricose, imperforated, whorls smooth, 

 slightly impressed round the upper part, then con- 

 vex ; olive-brown, flaked with white ; columella very 

 broadly excavated. 



NuTTALL, Philippi, Abbild. und Besch. Conch, p. 33. pi. 

 4. f. 10. 



Uab. Upper California. 



Of rather globose form, remarkably broadly excavated 

 at the columella against the body-whorl. Ilusty olive- 

 brown in colour, flaked with white. 



Species 39. (Fig. a, b, Mus. Cuming.) 



Littorina sclculosa. Litt. testa subacute conicd, tenui- 

 culd, soUdd, anfractibus plano-declivibus, regulariter 

 late sulcatis et obtuse costatis, inferne angulatis ; spa- 

 diced, coslis interdum livido-purpurascentibus, nitenti- 

 bus ; aperturd subcontractd. 



The grooved Littorina. Shell rather sharply conical, 

 rather thin, solid, whorls flatly slanting, regularly 

 broadly grooved and obtusely ribbed, angled at the 



May, 1857. 



