1898.] A. Alcock — Carcinological Fauna of India. 185 



106. Epixanthus frontalis, (Edw.) Heller. 



Ozius frontalis, Milne Edwards, Hist. Nat. Crnst. I, 406 : Krauss, Sudafr. 

 Crust, p. 31 : Stimpson, Proc. Ac. Nat. Sci. Philad. 1858, p. 34 : Hilgendorf, in v. d. 

 Decken's Keisen Ost-Afr. Ill, i. p. 75. 



Epixanthus frontalis, Heller, Novara Crnst. p. 20 : A. Milne Edwards, Nouv. 

 Archiv. du Mus. IX, 1873, p. 241 : Kossmann, Keise roth. Meer., Crast. p. 36 : 

 Eichters, in Mobins, Meeresf. Maurit. p. 148, pi. xvi. fig. 16 : Lenz and Richters, 

 Abh. senclc. Ges. XII, 1881, p. 421 : Miers, Zool. H. M. S. Alert, pp. 517, 534 : 

 F. Muller, Verh. Ges. Basel, VIII, 1886, p. 474: de Man, Journ. Linn. Soc. Zool., 

 XXII, 1887-88, p. 46; and Archiv. fur Naturges. LIU, 1887, i. p. 292 ; and Zool. 

 Jahrb., Syst. 1894-95, p. 525 ; Cano, Boll. Soc. Nat. Napol. Ill, 1889, p. 205: J. R. 

 Henderson, Trans. Linn. Soc, Zool., (2) V. 1893, p. 364 : Ortmann, Zool. Jahrb., 

 Syst., VII, 1893-94, p. 477. 



Epixanthus Jcotschii, Heller, SB. Ak. Berl. XLIII, 1861, i. p. 325, pi. i. fig. 14 

 (fide Heller). 



Carapace transversely oval, depressed, almost flat, its length a little 

 over f its breadth, granular and finely and faintly rugulose just inside 

 the frontal and antero-lateral borders, smooth elsewhere. The gastric 

 region and its three subregions are faintly indicated, and a low fine 

 sinuous ridge completely traverses each branchial region from the last 

 tooth of the antero-lateral border. 



The front, which is a good deal less than a third the greatest 

 breadth of the carapace, and has a double edge, is cut into four low 

 teeth. Below the outer angle of the orbit there is a suture, not a gap. 



Antero-lateral border thin and sharp, divided by short, narrow 

 notches into four very broad shallow lobes, of which only the last two 

 are at all acuminate. 



Chelipeds massive, remarkably unequal — in the adult male espe- 

 cially. They are practically smooth. The fingers of the larger hand 

 of the adult male are strongly arched and meet only at tip. 



Legs almost smooth ; the borders of the dactyl us and of the distal 

 half of the propodite, in all, are covered with a short stubbly far. 



Colours in spirit, dirty yellowish or greenish brown, fingers blackish. 



In the Indian Museum are 60 specimens, from the Andamans, 

 Mergui, Akyab, Orissa coast, Ceylon, Makran coast (besides 22 speci- 

 mens from localities outside India). 



107. Epixanthus dentatus, (White). 



Panoptics dentatus, White, P. Z. S. 1847, p. 226; Ann. Mag. Nat. Hist. (2) II. 

 1848, p. 286 ; Adams and White ' Samarang' Crust, p. 41, pi. xi. fig. I. 



Heteropanope dentatus, Stimpson, Proo. Ac. Nat. Sci. Phila. 1858, p. 35 : A. 

 Milne Edwards, Nouv. Archiv. du Mus. IV. 1868, p. 71. 



Epixanthus dentatus, Miers, Ann. Mag. Nat. Hist. (5) V. 1880, p. 233 : de Man, 

 Journ. Linn. Soc, Zool., XXII. 1887-88, p. 46 : Henderson, Trans. Liuu. Soc, Zool., 

 J. ii. 24 



