. Bulletin - United States National Museum. Science. THE SPIDER CRABS OF AMERICA 191 ornamented (fig. 78); dactyls armed with a few (4 to 6) sharp spi- nules, which become longer towards the horny tip of the dactyl. Measuremenfs.^—Femnle, holotype, total length of carapace , length of rostrum , width of carapace with spines , without spines mm. Both males lack the rostral horns. Range.—Porto Rico (southwest coast); 11 to 26 Fig. 78.—Menaethiops portoricensis, female (56012), a loose leg, much enlarged Material examined.— Southwest of Salinas Cove; 11 fathoms; July 10, 19
. Bulletin - United States National Museum. Science. THE SPIDER CRABS OF AMERICA 191 ornamented (fig. 78); dactyls armed with a few (4 to 6) sharp spi- nules, which become longer towards the horny tip of the dactyl. Measuremenfs.^—Femnle, holotype, total length of carapace , length of rostrum , width of carapace with spines , without spines mm. Both males lack the rostral horns. Range.—Porto Rico (southwest coast); 11 to 26 Fig. 78.—Menaethiops portoricensis, female (56012), a loose leg, much enlarged Material examined.— Southwest of Salinas Cove; 11 fathoms; July 10, 1915; 1 male (F. 2384, Amer. Mus. Nat. Hist.); 1 male, 1 ovigerous female (56012). One and a half miles south of Cana Gorda Islands, near Guanica Harbor; 26 fathoms; scattered coral rock and sand with algae; June 23, 1915; 1 ovigerous female, holotype (F 2628, Amer. Mus. Nat. Hist.). Genus ESOPUS A. Milne Edwards Esopus A. Milne Edwards, Crust. Reg. Max., 1S75, p. 89; type, E. crassus A. Milne Edwards.—A. Milne Edwards and Bouvier, Mem. Mus. Comp. ZooL, vol. 47, 1923, p. 389. Body and feet almost entirely smooth. Carapace thick, gibbous, and as if inflated. Front formed by a large, rounded, tuberculiform prominence. Basal segment of antenna s^ery large, swollen, extend- ing well beyond eyes. Antennular fossettes very narrow. Orbits incomplete below, postocular process present but separated by a rather wide fissure above. Ocular peduncles stout, and capable of folding into a cavity hollowed for the purpose. Buccal cavity wide in front. Merus of outer maxillipeds a little dilated outward and forward, and not notched on inner side for insertion of Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washing
Size: 1898px × 1317px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
