HIGHER CRUSTACEA OF NEW YORK CITY 



171 



Leptochila dubia (Kr.) 



T a n a i s d u b i u s KnDyer. Nat. Tidsskr. 4 :T78, pi. 2, fig.2O-22. 

 Tanais f i 1 u m Verrill. I.e. 1874. P-573- 



Leptochila algicola Harger. /. c. 1880. p. 421, pi. 12-13, fig.So, 

 83-86. 



Fig. 40 Leptochila dubia , male ; b, female (Afier Harger) 



Pereion with six segments. Gnathopoda stout, uropoda with 

 short, one jointed outer, and a six jointed inner ramus. Female 

 with antennulae and gnathopoda shorter than in male. 



Occurs among eelgrass and on piles. 



Length 2.2 mm. Color nearly white. 



Taken at Bayshore. 



Leptochila rapax Llarger 



Leptochila r a p a x Harger. I.e. 1880. p. 424, 

 pi. 13, fig.89-90. 



Pereion with six segments. Gnathopoda of 

 male very slender and elongated. Inner ramus 

 of uropoda five jointed. Female very similar 

 to L. dubia, but the five jointed uropoda 

 will distinguish it. 



A tube-inhabiting form, living in the mud. 



Length : male 2.6-3.8 mm, female 2.3 mm. 

 Color white. 

 Taken at Bayshore. 



Fig 4i Leptocllila 

 male (After Har ' 



