. Bulletin - United States National Museum. Science. 124 BULLETIN 97, UIHTED STATES NATIONAL MUSEUM. broadly oval; palp small, articulated at summit of merus; propodus shorter than carpus, elongate-suboval, bearing a small, squarish dactyl at inner end of distal margin. Chelipeds and legs not known. Male abdomen and sternum punctate. First and second segments of abdomen completely fused, slightly constricted at middle; third to sixth, inclusive, completely fused, sides nearly straight, seventh wider than long, with arcuate margin. Measurements.—Male holotype, length of carapace , width of s
. Bulletin - United States National Museum. Science. 124 BULLETIN 97, UIHTED STATES NATIONAL MUSEUM. broadly oval; palp small, articulated at summit of merus; propodus shorter than carpus, elongate-suboval, bearing a small, squarish dactyl at inner end of distal margin. Chelipeds and legs not known. Male abdomen and sternum punctate. First and second segments of abdomen completely fused, slightly constricted at middle; third to sixth, inclusive, completely fused, sides nearly straight, seventh wider than long, with arcuate margin. Measurements.—Male holotype, length of carapace , width of same mm. Range,—Ivnown only from Sarasota Bay, Florida. DISSODACTYLUS ALCOCKI,* new species. Plate 28, figs. 3 and 4. Type-locality.—Gulf of Mexico, off Delta of Mississippi Eiver; 35 fathoms; station 2388, Albatross; 1 female holotj'pe (Cat. No. 23147, ). Diagnosis.—Carapace without dorsal ridge. Front bilobed. Legs slender and spinulous; secondary spine of dactyls 1 to 3 beneath primary spine. Palp of outer maxilliped 3-jointed. Description.—Carapace convex fore and aft, nearly level from side to side; antero-lateral margin acute, with a milled rim and forming. / /• Fig. 70.—Dissouactylus alcocki, outer maxillu-eu of female holotype, X 73. a broad, rounded lateral angle and continued along the nearly straight and oblique postero-lateral margin; no dorsal ridge. Front bilobed, continuing the line of the antero-lateral arch, median sinus a broad, shallow, rounded sinus. Posterior margin deeply sinuous. LoAver surface of carapace and mouth parts and edge of female abdomen hairy. Outer maxillipeds compact, forming a triangle; merus-ischium spatulate, less dilated than in stehhingi; palp very small, folding under the thin edge of the merus and articulating near its extremity; propodus sliort, sides subparallel, end truncate; dac- tylus as long as propodus but narrower. .* Named for Dr. A. Alcock, Please note that these images are extracted from sc
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
