196 PERCY SLADEN TRUST EXPEDITION 



7. Dynomene prcedator A. Milne Edwards. 



Dynomene prcedator de Man, Archiv. fur Naturg., liii. pt. 1, 1888, p. 409. 

 Coetivy ; 1 $. 



8. Dynomene pugnatrix brevimana, subsp. nov. 

 Providence, 50 — 78 fins., Sta. D 4 ; 2 ? ovig. 

 Type, C. 1. 4-8 mm., C. b. 6-3 mm. 



These specimens are a little smaller than de Man's type of D. pugnatrix* and show 

 some differences. They are a little wider, the palm is shorter in relation to the fingers, 

 has a few spinules on its upper edge, while the wrist and the chela are both provided 

 with a few hairs. 



9. Dynomene spinosa, sp. nov. (Plate 17, fig. 1). 

 Coetivy ; 3 £. 



Type $, C. 1. 19-6 mm., C. b. 247 mm. 



Carapace and appendages covered with a thick tomentum of club-shaped setae ; and 

 at regular intervals with bunches of long slender hairs, arising from elevations which are 

 granular or bear a single spine, as on the antero-lateral region and on the dorsal surface 

 of chelipeds and legs. Carapace subcircular, regions plainly marked ; 5 antero-lateral 

 teeth, each tipped with a strong spine, of which the fourth is most produced. Front 

 broadly triangular, deeply grooved. Upper margin of orbit with two notches, outer angle 

 not dentiform, lower margin armed with 3 or 4 spines or teeth. Chelipeds subequal, 

 stouter and longer than the legs ; lower margin of propodus and distal half of fingers bare ; 

 fingers deeply spooned, edges dentate, gaping when closed, the tips also dentate, their 

 teeth fitting neatly together, 2 teeth of the dactylus into 3 of the immovable finger. 

 Dactyli of first 3 legs armed with long slender spines on the posterior margin ; last leg 

 less than one-third as long as the preceding. 



In the largest specimen, type, the claws have the appearance of being normal and the 

 tips of the dactyli of the legs are light brown. In a smaller specimen, 17'5 x 21*9 mm., 

 the claws are relatively much smaller and unequal, and the whole surface of the dactyli, 

 excepting the hairs, is black. In the smallest specimen, 8 - 8 x 1 1'3, the chelipeds are equal, 

 resembling those of the type, the dactyli of the legs are dark brown for their distal half. 



This species can be distinguished from all others by its numerous spines. 



Latreilliidse. 



10. Latreillia pennifera Alcock. 



Latreillia pennifera Alcock (5), p. 168 ; Cat. Indian Dec. Crust., pt. I, fasc. 1, 1901, 

 p. 71, pi. 7, fig. 27—27 6. 



Saya de Malha, 125 fms., Sta. C 4; 1 ? ovig. Seychelles, 39 fms., Sta. F 3; 1 ? 

 ovig. : 34 fms., Sta. F 8 ; 2 $. 



Largest specimen, Sta. F 3, C. 1. 14'5 mm., C. b. 8 mm. 



There are 3 cardiac tubercles forming a triangle, the median tubercle behind the 



pair. 



* Zool. Jahrb. Syst, iv. 1889, p. 444, pi. 10, fig. 13. 



