NO. 1507. 



FEESH- WA TEE AMPHIPODA— WECKEL. 



43 



middle, with a broader lamellar edg-e than in the first pair; armed with 

 a long, obtuse spine and a fascicle of long hairs at the center, two or 

 three small spines at the posterior angle, and a row of short hairs at 

 the base of the lamellar edge. In the female the carpus and propodus 

 are much smaller than in the male and proportionality more elongated; 

 carpus fully as broad as the propodus; propodus twice as long as 

 broad, palm straight, nearl}" transverse, without the median spine. 



Posterior margin of the coxal plates of the last three perwopods 

 serrate. 



Fourth and fifth abdominal segments rounded above, each bearing 

 three fascicles of small spines: the sixth segment with two lateral 



Fig. 9.— Gam>iari"s limn.ecs. Ann Arbor, MirniGAX. 



fascicles and two or three short median hairs. Infero-posterior angle 

 of the first abdominal segment rounded, in the second and third pro- 

 duced posteriorly and forming an acute angle. 



First pair of uropods exceeding the second pair in length and 

 extending slightly beyond the peduncle of the third pair. Outer 

 ramus of the terminal pair narrow, the basal segment furnished on 

 both margins with many long plumose hairs, and on the outer margin 

 with a few short spines; terminal segment short, styliform, lateral 

 margins as well as tip furnished with long plumose hairs; inner 

 ramus slightly shorter than the l)asal portion of the outer, with both 



