104 A. Alcock — Carcinological Fauna of India. [No. 1, 



tips. Long joints of legs with sharp crest-like upper borders much as 

 in Atergatis. 



Abdomen of the male five-jointed, the 3rd-5th somites being fused. 



Rather large crabs. 



Key to the Indian species of Zozymus. 



I. All parts of carapace rugose : inter-regional and inter- 

 lobular furrows smooth and naked except, perhaps, 

 near the margin of the carapace ... ... Z. aeneus. 



II. Posterior third of carapace hardly at all rugose : inter- 

 regional and inter-lobular furrows for the most part 

 full of short close hair ... ... ... Z. pilosus. 



31. Zozymus aeneus, (Linn.) 



Cancer incomparibilis, Seba, Thesaurus III. 48, pi. xix. fig. 18. 



Cancer aeneus, Linn., Mus. Lud. Ulr. p. 451, and Syst. Nat. (ed. xii) p. 1018. 



Cancer floridus, Herbst, Krabben, I. ii. 132, 264, pi. iii. fig. 39, pi. xxi. fig. 120. 



Cancer amphitrite, Herbst, Krabben, III. ii. 5, pi. liii. fig. 1. 



Cancer aeneus and floridws, Fabricius, Ent. Syst. II. 455, 445, and Suppl. 

 p. 335, 338. 



Cancer aeneus, Latreille, Hist. Nat. Crust. V. 375 : Lamarck, Hist. Nat. Anitn. 

 sans Verteb. V. 271 : Desmarest, Consid. Gen. Crust, p. 101 : [Quoy et Gaimard, 

 Voy. Uranie, pi. lxxvi. fig. 1. Edw.]. 



Zozymus aeneus, Milne Edwards, Hist. Nat. Crust. I. 385. 



Aegle aeneus, De Haan, Faun. Japon. Crust, p. 17. 



Zozymus aeneus, Dana, U. S. Expl. Exp. Crust, pt. I. p. 192, pi. x. fig. 3 : 

 Stimpson, Proc. Ac. Nat. Sci. Phila. 1858, p. 32: Heller, SB. AK. Wien, XL11I. 

 1861, p. 326: A. Milne Edwards, in Maillard's l'ile Reunion, Annexe F. p. 4, and 

 Nouv. Archiv. du Mus. IX. 1873, p. 207 : Miers, Ann. Mag. Nat. Hist. (5) II. 1878, 

 p. 407, and Phil. Trans. Vol. 168, 1879, p. 486, and Ann. Mag. Nat. Hist. (5) V. 1880, 

 p. 234, and Challenger Brachyura, p. 134: Richters in Mobins Meeresf. Maurit. 

 p. 146: Haswell, Cat. Austral. Crust, p. 58: F. Muller, Verh. Ges. Basel VIII. 

 p. 474 : de Man, Archiv. fur Naturges. LIII. 1887, i. p. 273 : Cano, Boll. Soc. Nat. 

 Napoli III. 1889, p. 199 : J. R. Henderson, Trans. Linn. Soc, Zool., (2) V. 1893, 

 p. 359 : Ortmann, Zool. Jahrb. Syst. VII. 1893-94, p. 458, and Semon's Forschungsr. 

 (Jena. Denk. VIII) Crust, p. 50: Whitelegge, Mem. Austral. Mus. III. 1897, p. 131. 



Carapace with the regions well delimited and very strongly rugose, 

 the rugosities being small in the postero-lateral regions but everywhere 

 smooth and polished, and everywhere symmetrical. The crest-like 

 antero-lateral borders are 4-scalloped, the three anterior lobes being 

 rounded and the fourth being dentiform. 



The tumid orbital margins are marked by four suture lines. The 

 front hardly projects beyond the level of the orbit. 



The wrist has its outer surface made rugose by meandering 

 furrows, one of which runs fore and aft, the others transversely. The 



