| OCR Text |
Show 1890.] MARINE MOLLUSCA OF ST. HELENA. 315 and Sowerby. The latter has, correctly I think, cited P. tinctus and P. albus oi Reeve as synonyms. In this category I should also place P. sentis and P. textilis of the same author. EXPLANATION OF THE PLATES. PLATE XXI. Fig. 1. Pleurotoma (Clavus) amanda, p. 255. 2. ( -) albobalteata, p. 255. 3. (Drillia) turtoni, p. 256. 4. (Mangilia) subquadrata, p. 256. 5. ( ) mellissi, p. 257. 6. (Clathurella ?) multigranosa, p. 258. 7. Murex (Ocinebra) alboangulatus, p. 259. 8. Lachesis helence, p. 260. 9. Cantharus (Tritonidea) albozonatus, p. 260. 10. ( ) consanguineus, p. 260. 11. • ( ) Icevis, p. 261. 12. Columbella (Mitrella) sanctce-helence, p. 262. 13. Triton turtoni, p. 268. 13 a. ; young. 14. Natica turtoni, p. 269. 14 a. ; operculum, p. 270. 15. tceniata; operculum, p. 270. 16. sanctcB-helence, p. 270. 17. Solarium ordinarium ; upper side, p. 281. 17a. ; front view. 17 b. ; lower side. 18. Eulima (Subularia) fuscopunctata, p. 280. 19. Littorina helena, p. 283. 20. Diala fuscopicta, p. 286. 21. Rissoa cala, p. 288. 22. ephamilla, p. 288. 23. agapeta, p. 289. 24. wallichi, p. 289. 25. Barleeia congenita, p. 290. 26. Triforis atlantica, p. 292. PLATE XXII. Fig. 1. Mitra (Cancilla) turtoni, p. 265. 2. (Pusia) sanctce-helence, p. 265. 3. Obeliscus (Syrnola) pumilio, p. 275. 4. Turbo (Collonia) admissus, p. 294. 5. Basterotia oblonc/a; lateral view, p. 303. 5 a. •; dorsal side. 6. Lcacina inconspicua, p. 304. 7. (Codakia) compacta, p. 304. 8. Arca sanctce-helence ; lateral view, p. 305. 8 a. ; dorsal side. 8 b. ; ventral side. 9. Pecten atlanticus, p. 306. 9 a. ; sculpture magnified. Qb. ; sculpture of left valve. 10. (Janira) turtoni; right valve, p. 306. 10 a. ( ) ; left valve. PLATE XXIII. Fig. 1. Pleurotoma (Clavus) prolongata, p. 255. 2. (Mangilia) gemma, p. 256. 3. (Clathurella":) commutabilis, p. 257. 4. ( ) usta, p. 258. |
