u,-H- 



i»^ 



BENTHESICYMUS ALTUS 



203 



4- 



t 



in the two sexes. The dorsal portion of the cervical groove is more distinct 



IL 



The sixth abdominal segment is longer than in 



K 



second abdominal appendages of the male, viz. the tooth-like process, which 



IT. 



into a broad plate which exceeds in length the external plate. This differ- 

 ence will be most easily comprehended by inspection of Figs. 1^ and 2 on 

 Plate L. 



The podobranchia of the twelfth somite is even smaller than in JS, 



Sjjinidor sails. 



Length, 127 mm. ; carapace, 44.5 mm. ; rostrmn, 6 mm. 



Station 33G0. 1672 fathoms. 1 fe 



rn. 



u 



a 



3374. 1823 

 3381. 1772 



u 



u 



1 male, 5 fern. 

 3 males, 1 fem 



* 



This species is perhaps identical with Ilemipmeus caqmiteri Wood-Mason, 

 dredged in the Laccadive Sea and in the Bay of Bengal, 1091-1644 



fathoms. 



i 



BENTHESICYMUS Bate. 



Ann. Mag. Nat. Ilisi., 5ili Scr., VIII. 190, 1881 ; Eep. Challenger Macrura, p. 326, 1888. 



Benthesicymus altus Bate. 



Ann. Mag. Nat. Hist., 5tli Scr., YIII. 191, 1881 ; Rep. Cliallengcr Macrura, p. 336, Plate LYIII. 



rig. 1, 1888. 



Station 3360. 1672 fathoms. 1 male, 3 fem. 



u 



u 



u 



u 



u 



a 



cc 



u 



a 



3361. 1471 

 3374. 1823 

 3381. 1772 



1793 

 1573 



3399. 1740 



3413. 13G0 



3414. 2232 



3415. 1879 



U 



u 



iQ 



ic 



iC 



U 



ii 



iC 



u 



1 fem. 



1 male, 1 fem. 



1 male, 2 fem. 



2 males, 5 fem. 

 1 male, 1 fem. 

 1 fem. 



1 male, 1 fem. 



2 males, 1 fem, 

 2 males, 9 fem. 



In Bate's figure of this species there appears to be a small spine on the 

 side of the carapace, although none is mentioned in his description. In the 

 ^"^ Albatross " specimens there is no spine at this place. The fragile filiform 



* Ann. Mag. Nat. llist., Gtli Scr., VII. 189, VIII. 3SG, 1891, 



