no 



BULLETIN 15 8, UNITED STATES NATIONAL MUSEUM 



spines on their dorsal surface; caudal rami often only six times as 

 long as wide and not curved; both fifth legs 5-segmented, fourth 

 segment four times as long as fifth; end segment of left leg tipped 

 with two lobes, each armed with a small spine. Total length, 0.75- 

 0.95 mm. 



Re^imrks. — Williams gave January to April as the season for this 

 species in Narragansett Bay, and summer in C'harlestown Pond, a 

 brackish inlet from the ocean. There is every reason to believe it 

 will be found somewhere in Buzzards Bay or in some of the brackish- 

 water ponds around Woods Hole. It can be recognized by the spiny 



covering of the anal segment 

 and caudal rami, and by the 

 form of the fifth less. 



EURYTEMORA HIRUNDOIDES (Nord- 

 quist) 



Figure 73 



TemoreUa afflnis var. hirundoides 

 NoRDQtnsT, Die Calaniden Fin- 

 lands, p. 48, pi. 4, figs. 5-11, pi. 

 5, fig. 5, 1888. 



Eurytemora hirundoides Sars, Crus- 

 tacea of Norway, vol. 4, p. 102, 

 pi. 69, 1902. 



Occurrence. — One female in 

 surface tow in Woods Hole 

 Harbor, September, 1881; both 

 sexes abundant in Salt Pond, 

 Falmouth; Oak Bluffs Pond, 

 Marthas Vineyard; Oyster 

 Pond, Falmouth; Quisset 

 Pond, Falmouth; Farm Pond, 

 Marthas Vineyard ; Poucha 

 Pond, Chappaquiddick Island ; Waquoit Bay, Falmouth ; Edgertown 

 Great Pond, Marthas Vineyard; West End Pond, French Watering 

 Place and Tarpaulin Cove Pond, on Naushon Island ; found in small 

 numbers in Gosnold Pond, Cuttyhunk Island; Ponds Nos. 1 and 2, 

 Chappaquiddick Island ; John Pond, Mashpee. 



Distribution. — Norwegian coast (Sars) ; Scania (Lilljeborg) ; 

 Finnish coast (Nordquist) ; Nova Scotia (Willey) ; Narragansett 

 Bay (Williams) ; Chesapeake Bay (Wilson) ; Woods Hole (Sharpe, 

 Fish). 



Color. — Body transparent and colorless; ovaries and oviducts in 

 the ripe female yellowish olive and opaque; tips of the rami and 

 setae of the swimming legs olive to rusty brown ; eye ruby red. In 

 the male the only color is in the longitudinal muscles, which are 



Figure 73. — Eurytemora hirundoides: a. Fe- 

 male, dorsal ; b, female, fifth legs ; c, male, 

 fifth legs 



