ISOPODS OF NORTH AMERICA. 



177 



The last four tlioniric segments lire each a littU> longer than any of 

 the tirst three. The epimera are narrow, with i-ounded post-lateral 

 angles. 



The live abdominal segments are of equal length. The terminal seg- 

 ment is subtriangular with truncate extremit}'; its posterior margin is 

 crenulate and fringed with hairs. The uropoda exceed slightly the 

 length of the al)domen. The inner branch is about twice as wide as 

 the outer branch; is obliquely truncate, and crenulate. The outer 

 branch is narrow, rounded posteriorly, 

 and smooth. Both branches are fringed 

 with hairs. 

 The legs are long and slender. Fiye 

 spines are present on 

 the merus of the pre- 

 hensile legs. The 

 gressorial legs are but 

 slightly spinulose. 



Two specimens ex- 

 amined were collected 

 at Monterey Ba}^, Cali- 

 fornia, by Mr. Heath. 

 The description of 

 this species of ^Ega by 

 Dana as ^Egacylla 

 Jecontll was from a 

 3'oung specimen. The indiyidual sent us is thought to be the adult 

 form, and differs from Dana's description of the 3"oung indiyidual in 

 the crenulated posterior margin of the terminal segment, in the 

 truncated inner branch of the uropoda, and in the addition of two 

 joints to the length of the flagellum of the second paii- of antenna?. 



^GA TENUIPES Schicedte and Meinert. 



V\G. 158.— .EGA LECON- 

 TII. X 2. 



Fig. 159.— .EGA lecontii. a, Maxilli- 

 PED. X 38j. 6, Frontal lamina 

 (diagrammatic). c, Second leg. 



X Hi 



Mga temdpes Schkedte and Meinert, Naturh. Tidsskrift (3), XII, 1879-80, 

 p. 371, pi. IX, figs. 4-6.— RicHAKDsoN, Proc. U. S. Nat. Mus., XXIII, 1901, 

 p. 522. 



Locality. — Cuba. 



Body oyate, surface rather smooth but punctate. 



Front of head bisinuate, with the frontal point bent downward and 

 contiguous with the frontal lamina. 



Frontal lamina rhomboid in shape. 



Eyes large, oblong, contiguous along the four series of ocelli. 



The tirst pair of antenna^ reach the posterior angle of the tirst seg- 

 ment of the thorax, extending with the peduncle to the fourth article, 

 with the flagellum to the tenth article of the second pair of antennae. 

 28589—05 12 



