. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. SUCCINEA. 427 Succinea inflata, Lea, Trans. Am. Phil. Soc, IX. 5 ; Obs., IV. 5 (1844); Proc, II. 31 (1841). — Pfeiffer, Mon. Hel. Viv., II. 526; in Chemnitz, ed. 2, 49, PL" V. Figs. 9-11 (1854). —W. G. Binney, Terr. Moll., IV. 34, PI. LXXX. Fig. 11. — Tryon, Am. Journ. Conch., II. 230 (1866). Succinea unicolor, Tryon, Am. Journ. Conch., II. 230, PL II. Fig. 3 (1866). It is a strictly Southern Region species, observed as yet only in Florida and Georgia. Whitish; eyes, tentacula, and a line passing from the eyes di
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. SUCCINEA. 427 Succinea inflata, Lea, Trans. Am. Phil. Soc, IX. 5 ; Obs., IV. 5 (1844); Proc, II. 31 (1841). — Pfeiffer, Mon. Hel. Viv., II. 526; in Chemnitz, ed. 2, 49, PL" V. Figs. 9-11 (1854). —W. G. Binney, Terr. Moll., IV. 34, PI. LXXX. Fig. 11. — Tryon, Am. Journ. Conch., II. 230 (1866). Succinea unicolor, Tryon, Am. Journ. Conch., II. 230, PL II. Fig. 3 (1866). It is a strictly Southern Region species, observed as yet only in Florida and Georgia. Whitish; eyes, tentacula, and a line passing from the eyes disappearing under the shell, black ; a gamboge-colored vitta is visible through that part of the shell which is opposed to the mouth. At St. Augustine I found specimens copulating in December. Jaw as usual; no anterior ribs. The lingual membrane (PL X. Fig. O) has 18—1—18 teeth, with about 10 perfect laterals. Morse gives 50 rows of 30—1—30 teeth. The central tooth has a peculiarly narrow base of attachment, and a very greatly developed me- dian cusp, the side cusps being subobsolete. Genitalia as in S. obliqua (q. v.). Succinea Hawkiusi, Baird. Shell elongate-obovate, thin, pellucid, shining, undulately striated, pinkish, within pearly; spire acute; whorls 4, convex, the last equalling two thirds the shell's length ; suture impressed ; Fig. 304. aperture oval, effuse below. Length f, lat. ^ inch. Hab. Lake Osoyoos, British Columbia. (Brit. Mus.) This shell is of an elegant form, and of a pinkish color, with the interior of a pearly lustre. It is smooth and shining, but marked with waved stria; of lines of growth. It resembles very much in figure the Succinea Pfeifferi of Europe, but is of a still more elegant shape and of a brighter hue. I have named it after L'eutenant-Colonel Hawkins, R. E., Commissioner of the British North American Boundary Commission, (Baird.) Succinea Hawkinsii, Baird, Proc. Zool. Soc, 1863, 68, in Lord's Nat. in Van- couver's Island, II. 36
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