ISOl'ons OF XOUTH AMERICA. 



475 



The abdomen is subelliptical in slni})e or obsoletely six ungulate, 

 much wider than lonii". 



The median lobe of the coverinu- lamella of the pieopods (the 

 peduncle of the first pleopoda) in the males is posteriori}^ entire/' 

 . A fuller description of this species is given in the preceding pages 

 (372-379) of the work from which the above is quoted. 



JANIRA ALTA (Stimpson.) 



Asellodes alta Stimpson, Smithsonian Contributions to Knowledge, VI, 1853, p. 

 41, pi. Ill, fig. 30.— Verrill, Am. Jour. Sci., VI, 1873, p. 439; VII, 1874, 

 pp. 411-502; Proc. Amer. Assoc, 1874, p. 350. 



Janira alta Hargek, Proc. U. S. Nat. Mus., II, 1879, p. 158; Report U. S. Com- 

 missioner of Fisli and Fisheries, 1880, Pt. 6, pp. 321-322, pis. ii-iii, figs. 9, 12, 

 13.— Richardson, American Naturalist, XXXIV, 1900, p. 300; Proc. U. S. 

 Nat. Mus., XXIII, 1901, p. 550. 



Localities. — Long Island; Massachusetts Bay; near Eastport, Maine; 

 Gulf of Maine; Grand Menan; Bay of Fundy; 120 miles south of 

 Halifax; Grand Banks; Clarkes Ledge; 

 30 miles east of Sable Island; off Ches- 

 apeake Bay. 



Depth.— %^ to 487 fathoms. 



Body oblong-ovate, nearly three 

 times longer than wide, 2i mm. : 7 

 nun., not including the uropoda. 



Head nearly three times as broad as 

 long, with the lateral portions expand- 

 ed and the lateral margins straight. 

 The front is produced in the middle 

 in a long narrow proce>ss with apex 

 rounded. The eyes are small, round, 

 composite, and dorsally placed. The 

 antero-lateral angles of the head are 

 veiy slightly produced and are rounded. 

 The first pair of antenna' iiave the 

 three articles, forming th<' [)eduncle, 

 about equal in length. The Hagellum is composed of fourteen articles. 

 The second pair of anteniue have the first four articles short and 

 subequal; the two following ones are very long, the sixth being longer 

 than the fifth. The sixth article is 2 mm. in length; the fifth is \\ 

 mm. long. The flagellum is nuiltiarticulate and is 5 ram. long. The 

 second antennae are as long as the body. The maxillipeds have a palp 



Fig. 531. 



J.\NiK.\ ALTA (After Hakger). 



X 6. 



^'The above description is adapted from the following one of Kr0yer's: 

 Latior (latitude dimidiam fere teciuans longitudinem). Caput antice tribus arma- 

 tnni cornibus vel aculeis, serie positis transversali. Anteniue inferiores longitudinem 

 aniinalis Eequantes, artieulo pedunculi secundo crassissimo, aculeo marginis exterioris 

 maximo. Abdomen subellipticnm vel obsolete sexangulatnm, niulto latius quam 

 longum. Lobus laminfc branchiarum tectorite intermedius apud mares postice 

 •nteger.— KR0VER, Nat. Tidsskr. (2), II, 1846-49, pp. :',72-;;79, 380. 



