no.1758. o\ MARINE COPE POD A IND CLADOCERA.—SHARPE. 419 



"Williams mentions seems to resl on only one individual and also to 

 be very unusual, it is presumed that his specimen is not the above 

 species. 



Occurrence. — Found in lows made by the l. S. Bureau <>f Fisheries- 

 schooner Grampus at station 528, July 18, 1 s«.)4 , 5 a. m., hit. 12 55' N., 

 long. 68' 49' W., ami at station 627, July 29, L894, 11 p. m., hit. 

 42 7' N., and Long. 70° 8' W. 



Distribution. -British *seas (Brady) \ ; coast of Spitsbergen (Scott); 

 off the coasts of Norway and Finmark (Sars). 



Genus DACTYLOPUSIA Norman, 1903. 



DACTYLOPUSIA THISBOIDES (Claus). 



Dactylopuisin thisboides Claus, Die Freilebenden Copepoden, L863, p. 127, figs. 

 24-28.— (J. o. SARS, Crustacea of Norway, vol. 5, L903, p. L26, pis. 77, and 97, 

 II figs. 



Length. — Female, about 1 mm.; male, smaller. 



Characters. — Body a golden yellow hue in 

 fresh specimens, with a chestnut-colored trans- 

 verse hand across the anterior part of the genital 

 segment. Fifth pair of legs of female with a 

 rounded oval distal segment, with six marginal 

 seta^ (fig. 126); inner expansion of proximal 

 joint very large and broad, foliaceous, extending 

 beyond the tip of the distal segment, and 

 marked inside the inner edge with a regular 

 row of short transverse chitinous stripes. 

 Ovisac huge. The fifth pair of legs of the 

 female especially characterize this species. 



Occurri ' no ". — Collected among alga? with a 

 birge net.al Little Harbor, Woods Hole, July, 

 sandy bottom, at about 12 feet depth. Not 

 heretofore reported from American shores. 



Distribution. —British seas (Brady): coast of 

 France (Canu); Mediterranean (Clans); Red fig.i2.-dactylopusia.this- 

 Sea (Clans); Franz Josef Land (T. Scott); BOIDES - °' FIFTH FOOT OF 



\t\I.E; I), FIFTH FOOT OF 



Norwegian and Finnish coasts. female. 



DACTYLOPUSIA VULGARIS Sars. 



lJacf.i/ft)])u.s .it mini ClauSj I )i<- Freilebenden Copepoden, L863, )>. L26, figs. l-ti. 

 Dactylopusia vulgaris G. O. Saks, < Irustacea of Norway, vol. 5, 1903, p. 128, pi. 79, 

 figs. 1-6. 



Length. — Female, 0.7 mm. 



Characters. — Color, dark yellow to olivaceous brown. Cephalic 

 segment fully as long as the four succeeding ones combined. Anterior 

 antenn.se of moderate length, and nine-segmented. Fifth legs of 

 female with their distal segments broadly ovate (fig. 13a), narrowly 



