284 REPORT OF NEW JERSEY STATE MUSEUM. 



dominal segments subtriangular or subchordate, not ciliated. 

 Uropoda not ciliated, much shorter than terminal abdominal seg- 

 ment, inner branch scarcely shorter than outer. Legs long, first 

 six pairs gradually increasing in length, and seventh pair ab- 

 ruptly very much longer than others. Basis of four posterior 

 pairs of legs with carina. Ungulas long, those of first pair 

 shorter than others, and those of seventh pair longer than 

 ■others. 



A single species in our limits. 



Olencira praegustator (Latrobe). 



Plate 86. 



Oniscus prcBgustator Latrobe, Trans. Amer. Philos. Soc. Phila., V, 1802, p. 



77, PI. I. York River, Virginia (in mouth of Brevoortia tyr annus) . 

 Cymothoa prccgustator Say, Journ. Acad. Nat. Sci. Phila., I, 1818, p. 395. 



United States (in mouths of menhaden). 

 De Kay, N. Y. Fauna, Crust., VI, 1844, p. 47 (in mouth of menhaden). 



New York. 

 Olencira prccgustator Schioedte and Meinert, Naturh. Tidsskr., (3) XIII, 



1881-83, P- 152, PI- 10, figs. 6-9. Eastern North America. 



Stebbing, Hist. Recent Crust. (Intern. Sci. Series LXXIV), 1893, p. 



353. America. 



H. Richardson, Amer. Nat., XXXIV, 1900, p. 221. Middle States 



region to Gulf of Mexico. 

 H. Richardson, Proc. U. S. Nat. Mus., XXIII, 1901, p. 528. (Potomac 



river, St. George's Island, off Great Wicomico, Dividing Cove, Fort 



Monroe, York Spit, head of Cockrell creek, Hampton creek. Lower 



Chesapeake Bay, Cape Charles; Florida.) 

 • H. Richardson, Bull. U. S. Nat. Mus., No. 54, 1905, p. 231. (Besides 



above localities: Crisfield in Maryland; Washington; Alabama; South 



Carolina.) 



Description. — Body elongate, narrow, gradually wider to 

 seventh thoracic segment, or width about one-fourth in length. 

 Head as broad basally as long, and gradually becomes nar- 

 rower to front end, which broadly convex and half as wide as 

 its base. Eyes composite, large, oblong, twice as long as broad, 

 and placed in hind half of head at posterior lateral angles. 

 First antennae formed of eight segments, and reach to seventh 

 segment of second pair. Basal segments of first antennas well 



