. Bulletin - United States National Museum. Science. g4 BULLETIN 166, UNITED STATES NATIONAL MUSEUM Southern specimens are much larger than northern, and have the carapace thickly covered wdth a short, soft pile, and the edge of the front concealed by a fringe of short hair. Co/or.—Carapace salmon under dense cream-buff pubescence; corneae gray; tips of fingers white; legs a light flame scarlet, darkest, on dact3ds to lightest on proximal half of back of merus. (W. L. Schmitt.) Measurements.—Male (66821), length of carapace to tip of sub- median spine , width mm. Female (66824), lengt
. Bulletin - United States National Museum. Science. g4 BULLETIN 166, UNITED STATES NATIONAL MUSEUM Southern specimens are much larger than northern, and have the carapace thickly covered wdth a short, soft pile, and the edge of the front concealed by a fringe of short hair. Co/or.—Carapace salmon under dense cream-buff pubescence; corneae gray; tips of fingers white; legs a light flame scarlet, darkest, on dact3ds to lightest on proximal half of back of merus. (W. L. Schmitt.) Measurements.—Male (66821), length of carapace to tip of sub- median spine , width mm. Female (66824), length of cara- pace to tip of submedian spine , width mm. Range.—Off Marthas Vineyard, Mass., to west Florida and Cuba; 60 to 315 fathoms. Material examined.—See table 24, page 83. ETHUSA LATA Rathbun Figure 19; Plate 24, Figure 1; Plate 25, Figure 1; Plate 28, Figure 3 Ethusa lata Rathbun, Proc. U. S. Nat. Mus., voL 16, p. 258, 1893 (type locality, Gulf of California, 33 fathoms; type, no. 17483); vol. 21, p. 615, 1898. Aethusa pubescens Faxon, Bull, Mus. Comp. Zool., vol. 24, p. 160, 1893 (type locality, off Panama, 100 fathoms; type in M. C. Z.). Aethusa lata Faxon, Mem. Mus. Comp. Zool., vol. 18, p. 35, pi. 6, fig. 1, la, lb, 1895. Diagnosis.—Eyest&lks very short, much stouter than cornea. Dactyli of first and second ambulatories vertically compressed. Appendages of second abdominal segment of male slender and longer than those of first segment. Description.—Carapace broader than long, densely pubescent; frontal margin ciliated; cer^ncal and cardiac sutures well marked;. Figure 19.—Ethusa lata, female: Antennal and oral regioo, slightly enlarged. After Faxon. the narrow urogastric region much depressed. Of the frontal teeth the are more widely and deeply separated from each other than from the lateral. The type of A. pubescens, the largest specimen known, is an exception, the median sinus slightly shallower than the lateral. Antero
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