no.1758. ON MARINE COPEPODA IND CLADOCERA.—SHARPE. 415 



Occurrence. — Tows off Fish Commission wharf and Vineyard Sound, 

 July (Wheeler) ; off Fish Commission wharf, May (Vina] N. Edwards). 

 Specimens collected by the writer from the same locality were blood- 

 red in color and were unusually quick in their movements, moving 

 by quick jerks. Wheeler says "both sexes rather opaque and with- 

 out pigment, except along mid-ventral line, where there are segmental 

 accumulations of black coloring matter in the male." (Wheeler, 

 1900, p. 185.) 



Distribution. — Gulf of St. Lawrence; Puget Sound; Woods Hole. 



Tribe P0D0PLEA. 



Family HARPACTICIDJE. 



Genus HARPACTICUS Milne Edwards, 1838. 



HARPACTICUS CHELIFER (O. F. Miiller). 



Cyclops chili fir (). F. Muller, Zool. Dan. Prodr., 1770, p. 2413; Entomostraca, 



1785, p. 114, pi. 19, figs. 1-3. 

 Harpacticus chelifer Claus, Die Freilebenden Copepoden, 1863, p. 135, pi. pi, 



figs. 12-19. — Brady, Copepoda of the British Islands, vol. 2, L880, p. I4(i, 



pi. 64, figs. 19, 20; pi. 65, figs. 1-15. — G. 0. Sars, Crustacea of Norway, vol. 



5, 1903, p. 49, IS tigs. 



Length. — Female, 9 mm.; male, 1 mm. 

 Characters. — Body unusually compressed, 

 posterior maxillipeds very large. Fifth legs 

 as in fig. 6. 



Occurrence. — Collected in birge net at Little 

 Harbor, Woods Hole, July; Hunters Island, 

 New York City, October; 

 Sheepshead Bay, New York, 

 September. 



Distribution. — British Isles 

 (Brady); coast of France (Canu); Franz Josef Land 

 (Scott); Ceylon (A. Scott); Heligoland (Claus). 



Family ECTIN ( )S( )MI] )M. 



Genus ECTINOSOMA Boeck, 1864. 



ECTINOSOMA CURTICORNE Boerk. 



Ectinosomu curl iconic Boeck, Forh. Vid. Selsk. Christiana, 1S72, 

 p. 45. — G. 0. Sars, Crustacea of Norway, vol. 5, 1903, p. 

 36, pi. 20, fig. 1. 



Length. — Female, 0.7 mm. 



Color. — Dark brown or corneous. 



Characters. — Anterior antenna very short, of six 

 segments, the first of which shows a well defined 

 pigment spot. Caudal rami about twice as long as broad and 

 slightly divergent. 



Fig. 6. — Harpacticus chelifer. 

 a, fifth foot of female; 6, 

 fifth foot of male. 



Fig. 7. — Ectino- 



0MA CURTI- 

 CORNE. Fifth 

 FOOT OF FE- 

 MALE. 



