IIIGIIKR CRUSTACEA OF NEW YORK CITY 



165 



Found uiuler stones and amid seaweeds and algae on the bottom. 



Two other species of Amphithoe will proba1)ly be taken; one,, 



A . r n b r i c a t a ( .M(int.'), has the ilagellnm of the antennae often 



Fig. 34 Amphithoe valida 



shorter than the ultimate joint of the peduncle, and the palm of the 

 second gnathopoda oblique. In the other form, A . 1 o n g i m a n a 

 Sm., the antennulae are as long as the body and the hands of the 

 gnathopoda are stout and much elongated. 



Jassa marmorata Holmes 



Jassa marmorata Holmes, S. J. Am. Nat. 1903. 37:289. 



PigT- 35 Jassa marmorata, immature male 



