640 



BULLETIN 54, UNITED STATES NATIONAL MUSEUM. 



e' '. Coxopodite of the first segment not dentiform, subequally cleft. 



Oubarix f'nicta (Dollfus) 

 a'. Body smooth. 



b. Upper surface of terminal segment of body with a shallow depression on each 



side, and a small median pit near the base Cubaris gigas Miers 



b / . Upper surface of terminal segment of body without shallow depression on each 



side, or median pit. 

 c. Inner posterior angle of basal article of uropoda widely excavated. 



Cubaris affinis (Dana) 

 </. Inner posterior angle of basal article of uropoda not excavated. 



d. Coxopodite distinct on the entire length of the lateral edge of the first tho- 

 racic segment ( underside) Cubaris zigzag ( Dollfus) 



d' '. Coxopodite not distinct on the entire length of the lateral edge of the first 



thoracic segment. 

 e. Second thoracic segment with a large square coxopodite, distinct on its 



total length (underside) Cubaris dumorum (Dollfus) 



e f . Second thoracic segment with the coxopodite very small. 

 /. Coxopodite of second thoracic segment forming a tooth-like process. 

 g. Inner branch of uropoda about half the length of the terminal abdomi- 

 nal segment. Terminal abdominal segment with a blunt double 



tubercle near the base Cubarw grenadensis ( Budde-Lund) 



g' '. Inner branch of uropoda extends about one-third the length of the 

 terminal abdominal segment. Terminal abdominal segment without 



double tubercle near the base Cubaris dugesi (Dollfus) 



/ / . Coxopodite of second thoracic segment not tooth-like. 



Cubaris pisum (Budde-Lund) 



CUBARIS TENUIPUNCTATA (Dollfus). 



Armadillo tenuipunctatus DOLLFUS, Proc. Zool. Soc. London, 1896, p. 389. 

 Cubaris tenuipunctatus RICHARDSON, Proc. U. S. Nat. Mus., XXIII, 1901, p. 571. 



c o 



e n 



FIG. 682. CUBARIS TENUIPUXCTATA (AFTER DOLLFUS). a, HEAD AND FIRST TWO SEGMENTS OF 

 THORAX (UPPER SIDE). 6, HEAD AXD FIRST TWO SEGMENTS OF THORAX (UNDERSIDE), c, FIFTH AND 



SIXTH SEGMENTS OF ABDOMEN AND UROPODA (UPPER SIDE). (I, THE SAME (UNDERSIDE). 



