. Bulletin - United States National Museum. Science. 34 BULLETIN 97, UNITED STATES NATIONAL MUSEUM. Porto Rico: San Juan Harbor; NW. angle Morro Castle f mile; 4f-5i fathoms; S. M.; temp. ° C; Jan. 16, 1899; station 0054; Fish Hawk; 2 males, 1 female (245G4). Mayaguez Harbor; Custom House E. by S. \ S. 2\ miles; 12 fathoms; stky. M.; temp. 27° C; Jan. 19, 1809; station COCO, Fish Hawk; 1 male (245G5). Curasao; Albatross; 1 female holotype (19974). Genus EURYPLAX Stimpson. Euryplax Stimpson, Ann. Lye. Nat. Hist. New York, vol. 7, 1859, p. GO; type, E. nithJa Stimpson. Carapace transverse, b
. Bulletin - United States National Museum. Science. 34 BULLETIN 97, UNITED STATES NATIONAL MUSEUM. Porto Rico: San Juan Harbor; NW. angle Morro Castle f mile; 4f-5i fathoms; S. M.; temp. ° C; Jan. 16, 1899; station 0054; Fish Hawk; 2 males, 1 female (245G4). Mayaguez Harbor; Custom House E. by S. \ S. 2\ miles; 12 fathoms; stky. M.; temp. 27° C; Jan. 19, 1809; station COCO, Fish Hawk; 1 male (245G5). Curasao; Albatross; 1 female holotype (19974). Genus EURYPLAX Stimpson. Euryplax Stimpson, Ann. Lye. Nat. Hist. New York, vol. 7, 1859, p. GO; type, E. nithJa Stimpson. Carapace transverse, broad, hexagonal; antero-lateral margin very short, dentate. Front nearly half as broad as the carapace. Ocular peduncles of moder- ate length. Anten- nal flagellum exclud- ed from the orbit by an internal suborbital lobe which joins the front. Chelipeds heavy, not very unequal. Sternum partially exposed in the sinus of the abdomen be- tween its second and third segments. All the segments of the abdomen distinct. First segment narrow and little developed; second segment widest, covering the sternum. An American genus. Analogous species on opposite sides of the continent: nitida (Atlantic); polita (Pacific).. Fig. 11.— nitida, male (15012). a. Abdomen AND PART OF STKUNCM, X 3s *, b, OUTER MAXILLIPED, DOTTED LINB MEDIAN AXIS, X 5^. KEY TO THE SPECIES OF THE GENUS EDRYPLAX. A\ Antero-lateral margins converging anteriorly nitida, p. 34. A*. Autero-lateral margins parallel polita, p. 36. EURTPLAX NITIDA Stimpson. Plate 7. Euryplax nitida Sttmpson, Ann. Lye. Nat. Hist. New York, vol. 7, 1859, p. CO (type-locality, Florida Keys; type not extant).—Rathbun, Bull. U. S. Fish Conmi., vol. 20, for 1900, pt. 2, 1901, p. 8. DiagnoBis.—Antero-lateral margins converging anteriorly. Arm of male with a deep pit. Fingers white at Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration a
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