Carcinological Fauna of India. 195 



Basal antenna! joint somewhat enlarged, and coalescent at its dis- 

 tal extremity with the front ; beneath which the flagella are inserted 

 out of sight in a dorsal view. 



The external maxillipeds are small, the merus distally truncated, 

 and bearing the palp at its antero-internal angle. Chelipeds in the male 

 moderately developed, with the palms compressed nnd cristate above, 

 the fingers somewhat excavated at the tips, and not apposable through- 

 out their extent. Ambulatory legs short — the longest pair not much 

 longer than the chelipeds, dactyl i short, stout, strongly recurved, and 

 more or less toothed along the posterior margin, 



Huenia proteus, de Haan. 



Maja (Huenia) proteus, de Haan, Faun. Japon. Crust., p. 95, pi. xxiii. figs. 4-6. 



Huenia proteus, Adams and White, ' Saniarang ' Crustacea, p. 21, pi. iv, figs, 

 4-7, and p. 22, pi. iv. fig. 5. 



Huenia proteus, Haswell, Proc. L. S., N. S. Wales, Vol. IV, 1879, p. 437; and 

 Oat. Austr. Crust , p. 9. 



Huenia proteus, Miers, Zool. 'Alert, 1 pp. 182 and 191, and "'Challenger' Bra- 

 chyura, p. 35. 



Hu enia prot ens, C.W. S. Aurivillius, Kongl. Svensk. Vet. Akad. Handl. XXIIL 

 ' 1888-89, No. 4, p. 40, pi. iii. fig. 3. 



Huenia proteus, R. I. Pocock, Ann. Mag. Nat. Hist. (6) V. 1890, p. 79, 



Huenia proteus, Henderson, Trans Linn. Soc., Zool. (2) V. 1893, p. 341. 



Huenia pix>teus, Ortniann, Zool. Jahrb., Syst., etc., VII. 1893, p. 40. 



Carapace flat, depressed, with two low elevations in the middle line, 

 otherwise smooth : in the male the carapace is elongate triangular, with 

 the lateral epibranchial angles produced to form small lobes, and some- 

 times with the hepatic regions expanded in the same way : in the 

 female the carapace is quadrilobate, owing to the foliaceous extension of 

 the hepatic and epibranchial angles. Rostrum long, simple, acute, 

 deep, and laterally compressed. Supra-ocular spines small. Eyes 

 small, deeply sunk beneath the pre-ocular spine, almost immovable. 



In the male the chelipeds are somewhat shorter, and the next pair 

 of legs (which are the longest) are somewhat longer than the carapace 

 and rostrum combined: in the female the chelipeds are considerably 

 , shorter than, and the next pair of legs are about the same length as, 

 i the carapace and rostrum. In the female and young male the fingers, 

 | which are closely toothed, meet throughout the greater part of their 

 ! extent : in the male they meet only at the tips. 



The last three pairs of legrs are very short. All the long joints, 



: except the dactyli, of all the trunk-legs are more or less carinate dor- 



i sally (anteriorly), the carination often being more or less discontinuous in 



the case of the chelipeds: the dactyli of the ambulatory legs are stout, 



strongly recurved, and more or less toothed along the posterior margin. 



1 41 



