( 5.3 ) 



Key to the Indian species of the ^enns Calcinus. 



I. Eyestalks as long as the anterior border of the carapace : 

 upper border of right hand entire ; posterior border of 

 propodite and dactylus of 3rd pair of legs non-setose ^ C herbstii. 

 II. Eyestalks much longer than the anterior border of the 

 carapace : upper border of right hand serrated : posterior 

 border of dactylus and of neighbouring end of propo- 

 dite of 3rd pair of legs hirsute: — 



A. Eyestalks about IJ times the length of the 



anterior border of the carapace ; ambulatory 

 legs with broad alternating cross-bands of blue, 

 or white, and chestnut brown, or red : fingers 

 closely studded with pearl-like tubercles _ C. elegans. 



B. Eyestalks about 1| times the length of the ante- 



rior border of the carapace : legs not cross- 

 banded : — 



i. The lower border of the left palm forms 



a serrated carina _ ... C. latens, 



ii. Lower border of left palm not carinate 

 or serrate : — 



n. Chelipeds and legs (in spirit) rich 

 chestnut brown, except the tips 

 which are white _ _ C.gaimardii. 



b. Colours fading in spirit, but the 

 basal part of the dactyli of the 

 2nd and 3rd legs remains dark 

 violet, or purple-brown _ C. terrx-regina. 



I. Calcinus herbstii, de Man. Plate V., fig. 4. 



Calcinus herbstii de Man, Archiv fiir Naturges. LIII., 1887, i. p. 437, and Ann. Mus. 

 Genov. (2) XIX., 1898, p. 270: Ortmann, Zool. Jahrb., Syst. VI., 1892, p. 292: Henderson, 

 J.A.S.B. LXV., 1896, pt. ii., p. 518: Borradaile, P.Z.S., 1898, p. 462: Nobili, Ann. Mus, 

 Genov. (2) XX., 1900, p. 493. 



Pagurus tibicen, Milne Edwards. Ann. Sci. Nat. Zool. (2) VI., 1836, p 278, and (3) X., 

 1848, p. 63 ; and Hist. Nat. Crust. II., 1837, p. .229 ; and in Cuvier, Regne Animal, pi. .^liv., 

 fig. 3 : Krauss, Sudafr. Crust., 1843, p. 57; Calcinus tibicen, Dana, U.S. Expl. E.xp. Crust., 

 pt. 1., 1852, p. 457 : Stimpson, Proc. Ac. Philad. (1858) 1859, p. 247 : Heller, Novara Crust , 

 1865, p. 87: Hilgendorf, in v. d. Decken's Reise Ost-Afr. III. i., 1869, p. 97, and MB. K. Ak. 

 Berlin, 1878, p. 823 ; Streets, Bull. U. S. Nat. Mus. VII. 1877, p. 116: Miers, Phil. Trans 

 Roy. Soc. 168, 1879, p. 491, and Zool. H. M.S. Alert, 18S4. pp. 519,557: Richters in Mobius 

 Meeresf. Maurit. 1880, p. 161 : Lenz and Richters, Abh. Senckenb. Ges. XII 188], p. 426; 

 Mutler, Verb. Ges. Basel. VIII. 1886, p. 472: Henderson, Challenger Anomura, 1888, p. 61 

 Whitelegge, Mem. Austral. Mus. III. 1897, p 144. 



Paaurus laevimiinus, Randall, Journ. Acad. Philad. VIII. 1839, p. 135 (/ide Dana). 



