CRUSTACEA NORTH PACIFIC EXPLORING EXPEDITION 2/ 



PARTHENOPID^ 



Genus EURYNOME Leach 

 32. EURYNOME LONGIMANA Stimpson 



Plate IV, Fig. 2 



Burynotnc lojigiiiiana Stimpson, Proc. Acad. Nat. Sci. Phila., ix, p. 220 

 "[26], 1857. 



Carapax with the regions distinct, but not deeply separated ; pro- 

 portion of breadth to length, i : 1.38. Upper surface rugose, the 

 rugosities consisting of rounded flattened warts somewhat irregular 

 in size, and sometimes confluent. A large triangular tooth behind 

 the orbit, at the hepatic region ; five teeth on the branchial region, 

 four of which are marginal or submarginal, and one erect at the 

 center of the region. Two small spines on the gastric region. Car- 

 diac region rather prominent, oblong. Posterior margin with a 

 slight protuberance on each side. Rostrum deeply bifid ; horns long 

 and sharp, somewhat divergent. Orbits and antennag much as in 

 B. aspcra, except that the superior orbital fissure is not open. Hec- 

 tognathopoda roughly granulated. Chelopoda of male nearly twice 

 as long as the carapax, granulated and somewhat spinous ; hand 

 rather slender, with three or four stout spines toward extremity on 

 superior inner margin. Pincers deflexed. Ambulatory feet bicar- 

 inate above, the carinas most distinct on the meros, where they are 

 each 3 to 4 toothed. 



In the female the carapax is pubescent and more convex than in 

 the male ; the cheloi)oda are very short, and the hand scarce twice 

 as long as broad. 



Colors: Cara])ax abnvc dull red; feet whitish t)r variegated with 

 pale red; eyes small, black. 



Dimensions : Male, length of carapax. 0.47 ; breadth, 0.34 ; length 

 of rostrum, 0.12; of chelo])od, 0.8 inch; female, length of carapax, 

 0.39; of chelopod, 0.3. 



Dredged in 10 fathoms, on a rocky bottom, among Corgouicc, etc.,. 

 in False Bay, Cape of Good Hope. 



