OCR Text |
Show 484 MR. G. F. ANGAS ON THE [J 32. H E L I C I N A L I N D E N I , Pfr. H. lindeni, Pfr. Monog. Pneumon. Viv. vol. i. p. 388 ; Chemn. Conch.-Cab. ed. 2, p. 52, pi. 8. figs. 25, 26. The specimens, of which three were found, are rather larger than the type, which is from Mexico. Costa Rica. 33. HELICINA FUNKI, Pfr., large var. (Plate XL. fig. 7, animal.) H.funki, Pfr. Monog. Pneumon. Viv. vol. i. p. 361. Many specimens. " Talamanca, all the coast region, and to the lower hills " (Gabb). " Animal brownish white; head and lower tentacles white ; animal very timid" (Gabb). Much larger than the type, which is from New Granada. Varies in colour from straw-yellow to orange. 34. HELICINA LYRATA, Pfr. Helicina lyrata Pfr. Monog. Pneumon. Viv. vol. i. p. 341. One specimen. Costa Rica. 35. HELICINA BEATRIX, n. sp. (Plate XL. fig. 13.) Shell conical, solid, shining; as seen through the lens, very finely transversely striated ; whorls 6, very slightly convex, the four uppermost chestnut, the fifth dark red, with an opaque whitish band below the suture, the last pale olive-green, with a similar opaque band at the suture; outer lip thickened, a little expanded and reflexed; aperture quadrately semilunate. Var. Smaller and straw-coloured throughout. Diam. 4\, alt. 5 lin. Very few specimens. " Found only on the hills up to an elevation of 2500 feet. Animal dark grey above, sides and foot white" (Gabb). Approaches H. heloiscs, Salle, but larger and much more conical. 36. SUCCINEA UNDULATA, Say. Succinea undulata, Say, N e w Terrestrial Shells, p. 24. "Coast region to lower hills" (Gabb). A dozen specimens. "Animal bright flesh-colour, robust, and marked by a few dark spots; lower tentacles very short" (Gabb). 37. STENOPUS GUILDINGI, n. sp. (Plate XL. fig. 14.) Shell perforate, globosely conical, thin, shining, very finely obliquely striated, brownish ash-colour; whorls 6\, convex, the last with a thread-like keel at the periphery; apex conical; sutures margined; base convex; aperture crescent-shaped; outer lip arcuate, simple, thin ; columellar margin scarcely dilated. Diam. 2, alt. 1| lin. Hab. Costa Rica. This little species differs from <S. lividus, Guild., in having the sutures margined with a strongly defined thread-like carina at the periphery, and one more whorl. |