. Bulletin - United States National Museum. Science. THE CANCROID CRABS OF AMERICA 181 Industries of U. S., sec. 1, 1884, p. 766, pi. 260, figs. 1-3.—Sumner, Bull. Bur. Fisheries, vol. 31, 1911, part 2, 1913, p. 671.—Hay and Shore, Bull. Bur. Fisheries, vol. 35, 1915-16 (1918), p. 435, pi. 35, fig. 1. Platycarciniis irroratus Milne Edwards, Hist. Nat. Crust., vol. 1, 1834, p. 414.— DeKay, Nat. Hist. New York, pt. 6, Crust., 1844, pi. 2, fig. 2. Cancer sayi Gould, Rept. Invert. Massachusetts, ed. 1, 1841, p. 323 (type- localities. Cape Ann, Nahant, etc.; types not located). Plaiycarcinus sayi D
. Bulletin - United States National Museum. Science. THE CANCROID CRABS OF AMERICA 181 Industries of U. S., sec. 1, 1884, p. 766, pi. 260, figs. 1-3.—Sumner, Bull. Bur. Fisheries, vol. 31, 1911, part 2, 1913, p. 671.—Hay and Shore, Bull. Bur. Fisheries, vol. 35, 1915-16 (1918), p. 435, pi. 35, fig. 1. Platycarciniis irroratus Milne Edwards, Hist. Nat. Crust., vol. 1, 1834, p. 414.— DeKay, Nat. Hist. New York, pt. 6, Crust., 1844, pi. 2, fig. 2. Cancer sayi Gould, Rept. Invert. Massachusetts, ed. 1, 1841, p. 323 (type- localities. Cape Ann, Nahant, etc.; types not located). Plaiycarcinus sayi DeKay, Nat. Hist. New York, pt. 6, Crust., 1844, p. 7. Cancer borealis Packard, Mem. Boston Soc. Nat. Hist., vol. 1, 1867, pi 303; not C. borealis Stimpson. Cancer amoenus Connolly, Contrib. Canad. Biol., n. s., vol. 1, 1923, p. 337, text-figs. 1 and 2, pis. 1-4. Not Cancer amoenus Herbst, 1799. Diagnosis.—Nine antero-lateral and two postero-lateral teeth, the last one obscure; edges entire. Chehpeds granulate, not denticulate. ^^^.. Figure 29.—Cancer irroratus, male, dorsal view, reduced. After R. Rathbun Description.—Carapace convex, uneven, finely granulate. Antero- lateral teeth 9, the first one broad and in part produced to form the orbital tooth; teeth shallow, edge granulate, the notches between them continued on the carapace as short, closed fissures giving a pentagonal aspect to the teeth. Postero-lateral margin a raised granulate carina furnished with two teeth, the one nearest the lateral angle small, the other obscure. The median tooth of the front is the most advanced and depressed. Chelipeds shorter than first pair of legs, granulate; upper margin of merus ending in a short, subdistal tooth; carpus with granulated ridges and a sharp pyramidal inner tooth; manus with 6 longitudinal costae, the two lower ones continued on the finger, the upper one cristate. Legs rather long, compressed; merus of first and second pairs extending well beyond carapace. Side
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