HIGHER CRUSTACEA OF NEW YORK CITY 



155 



tip of penultimate joint of antennae. Flagellum of antennae slender, 

 longer than the peduncle and with 18 to 26 segments. Coxal plates 

 as in preceding species. 



Fig. 22 Orchestiapalustris male, and first and second gnathopoda of female 



Very common under stones and logs above high water mark and 

 somewhat farther from the water than a g i 1 i s . 



Length: male 15-22 mm, female 12-18 mm. Color varies much 

 as in O . a g i 1 i s . 



Found all along the shores of the bays. 



Talorchestia longicornis (Say) 



Talitrus longicornis Say, T. /. c. 18 18. p. 384. 

 Talorchestia longicornis Verrill. /. c. 1874. P-556. Small- 

 wood, M. E. Cold Spring Harbor Monographs, 1. Brooklyn. 1903. 



First gnathopods subchelate in 

 the males but not in the females. 

 Second gnathopods of male very 

 large, subchelate, broader distally 

 and with a large tubercle on the 

 palm. Antennulae just reaching 

 tip of penultimate joint of anten- 

 nae, which are as long as the body. 

 Eyes of moderate size. Coxal 

 plates and uropods much as in 



Fig. 23 Talorchestia longicornis; 

 Orchestia a — secorKl gnathopod of male; b— first and 



c — second gnathopod of female 



Found on the sand beaches be- 

 tween and above tide marks, often running or leaping over the sand 

 but usually buried in it or under driftwood. An exceedingly good 

 account of its habits is given by Smallwood [/. c] to which the 



