. Bulletin - United States National Museum. Science. Fig. 124.— SEXTICORNIS. a, Max- ILLIPED. •; 39. h. Man- dible. •' 39. Fig. 125.—Exocorallana SEXTICORNIS. Head AND FIRST thoracic SEG- MENT. Fig. 126.—Exocorallana SEXTICORNIS. Mandi- ble. X 51|. segment, the outer branch narrow, the inner branch wide; both are fringed with hairs and armed with a few spines. One male and a number of females were collected by Henry Hemp- hill at Key West, Florida. Ti/j)e.—Cat. No. 13540, EXOCORALLANA QUADRICORNIS (Hansen). Corallaii(( quadrlcoriils Hansen, Vidensk. Selsk. Skr. (6), V, 18


. Bulletin - United States National Museum. Science. Fig. 124.— SEXTICORNIS. a, Max- ILLIPED. •; 39. h. Man- dible. •' 39. Fig. 125.—Exocorallana SEXTICORNIS. Head AND FIRST thoracic SEG- MENT. Fig. 126.—Exocorallana SEXTICORNIS. Mandi- ble. X 51|. segment, the outer branch narrow, the inner branch wide; both are fringed with hairs and armed with a few spines. One male and a number of females were collected by Henry Hemp- hill at Key West, Florida. Ti/j)e.—Cat. No. 13540, EXOCORALLANA QUADRICORNIS (Hansen). Corallaii(( quadrlcoriils Hansen, Vidensk. Selsk. Skr. (6), V, 1890, p. 382, pi. VII, tig. 3.—Richardson, Proc. U. S. Nat. Mus., XXIII, 1901, j). 518; Trans. Conn. Acad. Sci., XI, 1902, 290. Localities.—St. lliomas, West Indies; Bermudas, at the Flatts; at Long Bird Islantl in i\w cavities of a massive, Wack keratose sponge, living on the grassy sand flats at low tide; Castle Harbor, in the same sponge. This species is very similar to E. fricor- nis, but differs following important characters: The clypeus, seen from below, is very narrow and concealed, for the most part; the labrum is concealed by the man- dibles. Half of the distal part of the mandibles is very prominent and o])scurely trifid. The last segment of th(», abdomen is a little more impressed at the sides than in E. tricor- nis. The al)domen is less hairy, the apical part of the last segment less convex, ornamented, however, with four apical Fig. 127.—Exocorallana quadri- coRNis (After Hansen). Head. (Enlarged.). 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. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.


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