RATHBUN— MARINE BRACHYURA 239 



185. Catoptrus nitidus A. Milne Edwards. 



Catoptrus nitidus Alcock (6), p. 307 (part). Laurie, in Herdman, Ceylon Pearl 

 Fisheries, pt. v, Suppl. Rept. XL, 1906, p. 422 (part). 



Goniocaphyra truncatifrons de Man, Archiv fur Naturg., liii. 1887, p. 339, pi. 14, 

 fig. 1. 



Amirante, 25—80 fins., Sta. Ell; 11 $, 4 <j> (2 ovig.) : 30 fins., Sta. E 21; 2 $. 

 Coetivy, 1 $. 



Largest specimen, $ (Sta. E 11), C. 1. 6 mm., C. b. 87 mm. Smaller $, same station, 

 C. 1. 3*3 mm., C. b. 5 mm. A. Milne Edwards gives 15 x 23 mm. 



In the specimens before me, C. nitidus is uniformly narrower than C. incequalis. 



186. Catoptrus incequalis (Rathbun). 



Catoptrus nitidus Alcock (6), p. 307 (part). Laurie, in Herdman, Ceylon Pearl 

 Fisheries, pt. v, Suppl. Rept. XL, 1906, p. 422 (part). 



Goniocaphyra incequalis Rathbun, 1906, p. 870, text-fig. 29, pi. 12, fig. 9. 



Saya de Malha, 55 fins., Sta. C 15 ; 1 $, 1 ?. Providence, 29 fms., Sta. D 3 ; 1 ?. 

 Amirante, 22—85 fms., Sta. E 10 ; 1 ? : 25—80 fms., Sta. Ell; 6 $, 12 ? (8 with Bopyrid 

 parasites) : 30 fms., Sta. E 21 ; 1 $, 1 ?. Seychelles, 34 fms., Sta. F 8 ; 3 $. 



Largest specimen, $ (Sta. E 11), C. 1. 5"4 mm., C. b. 8'6 mm. Smaller $, same station, 

 C. 1. 3-6, C. b. 57 mm. 



187. Typhlocarcinops piroculata, sp. nov. (Plate 20, figs. 1, 2). 

 Amirante, 34 fms., Sta. E 9 ; 3 ? (l adult type, 2 juv.). 



Surface pubescent ; carapace, chelipeds, and legs long-hairy on the margins ; median 

 regions faintly indicated. Anterior and antero-lateral margins of carapace regularly 

 arched ; postero-lateral margins parallel ; posterior margin nearly transverse, sinuous. 

 Upper surface smooth, sides with a raised, granulate rim. Anterior third of carapace 

 strongly deflexed, front not twice as wide as orbit, sides parallel, lower margin obtuse- 

 angled at the middle. Orbits transverse, completely filled by the pear-shaped eyes, with 

 small cornea?. 



Peduncle of antenna flattened ; flagellum not exceeding it in length. 



Chelipeds (of ?) of moderate size, subequal ; inner angle of wrist rounded ; palm with 

 length and breadth equal, outer surface covered with longitudinal rows of sharp granules 

 and short hairs ; fingers as long as middle of palm, deeply grooved, partly hairy, unevenly 

 dentate and narrowly gaping, tips crossing. Second, third, and fourth legs subequal, 

 rather broad ; dactyli styliform. 



All the segments of the ? abdomen are free ; the first covers the sternum and is 

 longest in its middle third ; second and third segments a trifle wider than ^ of the sternal 

 width ; seventh segment equilateral. 



SECOND SERIES— ZOOLOGY, VOL. XIV. ;il 



