204 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.43. 



ceding segment. The sixth or terminal segment is widely rounded 

 posteriorly, crenulate, and fringed with long plumose hairs. There 

 is a crescentiform depressed area near the base of the segment. The 

 peduncle of the uropoda is slightly produced at the inner posterior 

 angle; the outer branch is long, oval in shape, about twice as long as 

 the inner branch, is posteriorly rounded, and extends some distance 

 beyond the tip of the terminal abdominal segment ; the inner bi-anch 

 does not quite reach the tip of the terminal segment and is notched 

 on the exterior margin near the posterior extremity. Both branches 

 are fringed with long, plumose hairs, the outer margins being naked. 



The first 3 pairs of legs are prehensile, the last 4 pairs ambulatory; 

 all are thickly furnished with spinules. 



Onl}' one specimen was collected by the U. S. Bureau of Fisheries 

 steamer Albatross at station 2758, off Cape St. Roque, Brazil, at a 

 depth of 20 fathoms, among broken shells. 



Type-sfecimen.—Qai. No. 43655, U.S.N.M. 



This species is close to Excirolana armata (Dana)^ from Rio Janeiro, 

 but differs in the much larger eyes, the shape of abdomen and uro- 

 pods, and in the proportions and length of the latter. 



LIST OF REFERENCES. 



Dana, J. D. Crustacea. United States Exploring Expedition during the years 



1838, 1839, 1840, 1841, 1842, under the comnLand of Charles Wilkes, vol. 14, pt. 2, 



1853. Philadelphia. 

 n.A.NSEN, H. J. Cirolanidae et familise nonnullae propinquae Musei Haunien.sis. Vid. 



Selsk. Ski*. (G), vol. 5, 1890. Copenhagen. 

 Ives, J. E. Crustacea from the northern coast of Yucatan, the Harbor of Vera Cruz, 



the west coast of Florida, and the Bermuda Islands. Proc. Acad . Nat. Sei. Phila., 



1891, pp. 185-189. Philadelphia. 

 Richardson, Harriet. Monograph on the Isopoda of North America. Bull. U. S. 



Nat. Mus., No. 54, 1905. Washington. 

 Thielemann, Martin. Beitrageziu-NaturgeschichteOstasiens. Ilerausgegeben von 



Dr. F. Doflein. Beitrage zur Kenntniss der Isopodenfauna Ostasiens. Abh. 



math.-phys. Klasse k. bayer. Akad. Wiss., vol. 2, Suppl., vol. 3, Abh., 1910. 



i U. S. Expl. Exp., vol. 14, Crust., 1S53, p. 771 pi. 51, ug. 5a-e. 



