198 Carcinohglcal Fauna of India. 



Although the 3rd-5th abdominal terga are fused they are all three 

 independently recognizable. 



Carapace of (apparently adult) male 14 millim. in either diameter. 

 Jjoc. Off Laccadive Islands, 30 fms. 



Parilia, Wood-Mason. 



Parilia, Wood-Mason, Ann. Mag. Nat. Hist., March 1891, p. 264. 



Carapace strongly convex, especially posteriorly, somewhat oval 

 transversely, with three spines on the posterior margin ; the surface 

 finely granular, the regions fairly well-defined. 



The front is narrow and bidentate, and the epistome projects well 

 beyond it, — the epistome being, for an Oxystome, deep — as in. EandalUa 

 and Nucia. 



The eyes are small, and the orbits imperfect, for not. only have they 

 two fissures (not mere sutures) in the roof, and a broad fissure in the 

 Outer wall, and a broad gap communicating with the antennary and 

 antennulary fossas, but their upper-outer wall is deeply emarginate. 



The antennules fold a little obliquely. The antennae are distinct, 

 and stand in the gap at the inner canthus of the orbit, which they do 

 not nearly fill. 



The buccal cavern is considerably broader than long, owing to 

 the enormous width of the afferent branchial channels and of the 

 foliaceous expansion of the exopodite that covers them : the outer 

 edge of the latter is strongly curved : the triangular merus of the 

 endognath is very nearly as long as the ischium, measured along the 

 inner edge. 



The chelipeds in the adult male are several times the length of the 

 carapace, and are slender, though more massive than the legs : the 

 hands are several times the length of the stoutish fingers. 



The abdomen in the male consists of five distinct pieces : in the 

 female it consists of seven, but the 4th, 5th and 6tli are not separately 

 movable. 



Branchial chambers greatly inflated, especially posteriorly : bran- 

 chiae large, and six in number on either side. [Brood-pouch of the 

 female very large and communicating with the branchial chamber on 

 either side, at base, by a foramen.] 



40. Parilia alcocMi, Wood-Mason. 



Parilia alcockii, Wood-Mason, Ann. Mag. Nat. Hist., March 1891, p. 264, and 

 111. Zool. 'Investigator,' Crust, pi. v. figs. 3, 3a % : Alcock and Anderson, J. A. S. B. 

 Vol. LXIII. pt. 2, 1894, p. 177. 



Carapace about seven-eights as long as broad, transversely oval, 

 203 



