HIGHER CRUSTACEA OF NEW YORK CITY 



163 



as long as peduncle and with accessory flagellum. Antennae as 

 long as peduncle of antennulae. First gnathopoda small, second 

 very much larger. 



Fig. 32 Elasmopus laevis 



Length 5-7 mm. Color whitish. 



Found under stones and rockweed at low water mark. Taken at 



Bergen Beach. 



Family photidae 



Antennulae elongated and slender, with or without a secondary 



flagellum. Antennae usually stouter than antennulae. Mandibles 



with a palp. Gnathopoda more or less unequal, one of the pairs 



being peculiarly modified in the male. Last pair of uropoda small 



and differing from preceding pairs. Telson tubular, receiving end 



of intestine. 



Microdeutopus gryllotalpa Costa 



Microdeutopus gryllotalpa Costa. Rend. d. Reale Acad. d. 

 Sc. d. Napoli. 1853. p.178- Sars. I. c. 1895. p. 543, pi. 192, fig.2. 



Antennulae longer than antennae, with secondary flagellum of 

 one joint. Carpus of first gnathopoda of male very large and with 

 three sharp teeth, propodus shorter, irregularly sinuated, dactylus 

 strong, with minute denticulations. First gnathopoda of female 



