THE CRUSTACEA OF NEW JERSEY. 47 



Eubranchipus vernalis (Verrill). 



Plates i and 2. 



Fairy Shrimp. Spring-time Shrimp. 



Branchipus vernalis Verrill, Amer. Journ. Sci. Art., (2) XLVIII, 1869, p. 



251. Nezu Haven, Connecticut; Salem and Cambridge, Massachusetts. 

 Packard, Twelfth Ann. Rep. U. S. Geol. Surv. Terr., Hayden, I, 1883, 



pp. 342, 352, PI. II, figs. 2-6, PI. 22, figs. 3-6. Woodbury, New Jersey. 



Philadelphia, Penna. 

 . Underwood, Bull. 111. Lab. N. Hist., II, Oct. 1888, p. 355- New York 



and Pennsylvania. 



Eubranchipus vernalis Gissler, Amer. Nat., XV, 1881, p. 136, figs. 1-3. Mas- 

 peth, Long Island. 



Gissler, 1. c, p. 280. Maspeth, Long Island. 



Branchipus stagnalis (nee Linnaeus) De Kay, N. Y. Fauna, Crust., VI, 1844, 

 p. 63, PI. 9, fig. 36. "Most of our stagnant pools" [New York]. 



Branchipus sp. Leidy, Proc. Acad. Nat. Sci. Phila., 1880, p. 156. Near Wood- 

 bury, New Jersey. 



Description. — Body stout. Head large. Claspers with very 

 stout basal joint, a little curved, and thickness about one-half 

 their length. Claspers retractile, and drawing in base of second 

 joint. Latter firm, chitinous, long obtuse spur inside at base, 

 directed inwards at right angles. Joint triangular as seen in 

 transverse section beyond this spur and edges very pronounced. 

 Inner edge of same joint hollowed basally and distally bent out 

 somewhat. Frontal appendages broad, triangular, flattened at 

 sloping' down, length nearly twice width, acutely pointed, edges 

 finely serrated. Serrse under a lens bottle-shaped, separated at 

 base, with one, occasionally two, seldo^m three, cusps or ends 

 distally. Penis stout and bullcy, not cleft deeply in middle and 

 •cirrus filiform long and minute. In female body equally stout 

 and of similar size to that of male. Egg-sac not long as broad, 

 with conspicuous or full neck, and narrow transverse aperture tO' 

 allow passage of eggs. Lower lip of this aperture smaller than 

 tipper. Length 23 mm:. 



According to Packard the color in life is a pale flesh color, the 

 tips of the penis deep reddish-brown, and from them a narrow 



