. Bulletin - United States National Museum. Science. OXYSTOMATOUS AND ALLIED CRABS OF AMERICA 3^ pair of feet (first pair of ambulatories). Feet mediocre, merus not dilated; digits of first pair with apices calcareous. Four posterior feet smaller, shorter, extremities subchehform, a spiniform process on penultimate article. Atlantic coast of Middle and South America; Atlantic coast of Europe, Mediterranean Sea, west and south Africa, Indian Ocean, east Asia. DROMIA ERYTHROPUS (George Edwards) Figure 11; Plate 6, Figures 1, 2; Plate 8, Figures 1, 2 Cancer marinus chelis rubris Catesby, The natu
. Bulletin - United States National Museum. Science. OXYSTOMATOUS AND ALLIED CRABS OF AMERICA 3^ pair of feet (first pair of ambulatories). Feet mediocre, merus not dilated; digits of first pair with apices calcareous. Four posterior feet smaller, shorter, extremities subchehform, a spiniform process on penultimate article. Atlantic coast of Middle and South America; Atlantic coast of Europe, Mediterranean Sea, west and south Africa, Indian Ocean, east Asia. DROMIA ERYTHROPUS (George Edwards) Figure 11; Plate 6, Figures 1, 2; Plate 8, Figures 1, 2 Cancer marinus chelis rubris Catesby, The natural history of Carolina. Florida and the Bahama Islands, ed. 1, vol. 2, p. 37, pi. 37, 1743. Cancer erythropus George Edwards, Catalogue of animals in Catesby's Natural History of Carolina, with the Linnaean names, 1771. Dromia lator MiLNE Edwards, Histoire naturelle des Crustaces, vol. 2, p. 174, 1837. Dromia erythropus Rathbun, Ann. Inst. Jamaica, vol. l,p. 39, 1897.—Verrill, Trans. Connecticut Acad. Sci., vol. 13, p. 430, fig. 50, pi. 28, fig. 2, 1908. ? Evius ruber Moreira, Bull. Soc. Ent. France, 1912, no. 15, p. 322, figs. 1, 2.* Diagnosis.—Carapace wider than long; anterior half subglobular; posterolateral margins convergent. Description.—The pair of frontal teeth are larger than the median tooth which forms with them an angle a little larger than a right Figure U.—Dromia erythropus, male (2197); Outline of carapace and eyes, one-half natural size. A small shallow tooth above orbit, a large elongate one below. Fronto- orbital distance in the old one-third or less than a third of carapace width. Hairs closely placed; when they are removed from the carapace, a median impressed line is visible leading back to the meso- gastric region, faintly outlined; on either side is a prominent rounded lobe. A deep crescentic furrow on each side of the cardiac region nearly meets the curved branchial furrow. A small tubercle at posterior inner angle of branchial region.
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