. Bulletin - United States National Museum. Science. THE SPIDER CRABS OF AMERICA 559 Measurements.—Male (21973), length of carapace , width of same , length of cheliped mm. Range.—From Magdalena Bay, Lower California, Mexico, to Panama. Depth, 12 to 51 fathoms. Material examined.—See table, page 557. HETEROCRYPTA LAPIDEA Rathbun Heterocrypta lapidea Rathbun. Bull. U. S. Fish Comm., vol. 20, for 1900, pt. 2 (1901), p. 83, text-fig. 13 (type-locality, St. Thomas; holotype, Cat. No. 20324, ). Dm^nosis.—Carapace one and one-eighth times as wide as long, margins dentate or loba
. Bulletin - United States National Museum. Science. THE SPIDER CRABS OF AMERICA 559 Measurements.—Male (21973), length of carapace , width of same , length of cheliped mm. Range.—From Magdalena Bay, Lower California, Mexico, to Panama. Depth, 12 to 51 fathoms. Material examined.—See table, page 557. HETEROCRYPTA LAPIDEA Rathbun Heterocrypta lapidea Rathbun. Bull. U. S. Fish Comm., vol. 20, for 1900, pt. 2 (1901), p. 83, text-fig. 13 (type-locality, St. Thomas; holotype, Cat. No. 20324, ). Dm^nosis.—Carapace one and one-eighth times as wide as long, margins dentate or lobate. Postero-lateral margin between branchial ridge and lateral angle concave. Two tubercles on connecting gastric ridge distant. Description.—Carapace much narrower than in H. granulata; some of the granules of branchial ridges are thrown up in tu- bercles, one at gastric ter- minus of either ridge; a well-defined angle at other end of branchial ridge; mar- gin concave between this angle and end of antero- lateral margin. A me- dian furrow across front and anterior gastric region. Front longer, chelipeds fig. 153.—heterockypta lapidea, female (20324), caea- longer and narrower than in '^'^'' ""• '-°^«' ^°''^*" ^^"^- ^^"''^ Rathbun) H. granulata; margins of arm subparallel; dentation of margins stronger than that of //. granulata. Measurements.—Female, holotype, length of carapace , width of same , length of outer margin of arm and hand each 4 mm. Range.—Porto Rico and St. Thomas. Material examined.— Mayaguez, Porto Rico; January 20, 1899; Fish Hawk; 1 young (24227). St. Thomas; Albatross; 1 female, holotype (20324). HETEROCRYPTA OCCroENTALIS (Dana) Plates 204 and 205 Cryptopodia occidentalis Dana, Amer. Journ. Sci., ser. 2, vol. 18, 1854, p. 430, woodcut (type-locality, Monterey; type probably in Yale Uni- versity Museum.*" —Stimpson, Boston Journ. Nat. Hist., vol. 4, 1857, p. 458.—A. Milne Edwards, Crust. Rdg. Mex.
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