1886.] Lepidoptera of CacJiar. 375 



** Hab. The vicinity of Silcliar, Cachar. The three specimens 

 before me were obtained many years ago by one of the native collectors 

 of the museum, under the late Mr. N. T. Davey, of the Topographical 

 Survey of India." 



" Nearly allied to P. ravana, Moore, from Kulu, in the north-west 

 Himalayas, but smaller, with the well-developed tails not constricted at 

 the base, and not red-spotted." (Wood-Mason^ 1. c). 



178. Papilio (Pangerana) erioleuca. 



P. erioleuca, Oberthiir, E'tudes d'Ent., yoI. iv, p. 33, n. 5, pi. iii, fig. 1, male 

 (1879) ; id., de Niceville, Journ. A. S. B., vol. Hi, pt. 2, p. 98, n. 266, female (1883). 



One male, Irangmara, 8th August, one female, Nemotha, 10th Sep- 

 tember. 



179. Papilio (Pangerana) astorion. 



P. astorion, Westwood, Ann. and Mag. of Nat. Hist., vol. ix, p. 37 (1842). 



Four males and five females, Irangmara, 11th May to 10th August. 

 Mr. Wood-Mason notes that " the female emits a strong and dis- 

 gustingly rank musky odour." 



180. Papilio (Gharus) castor. 



p. castor, Westwood, Ann. and Mag. of Nat. Hist., vol. ix, p. 37 (1842). 

 Seventeen males, Irangmara, 11th July to 8th August. 



181. Papilio (Gharus) helenus. 

 P. helenus, Linnaeus, Syst. Nat., ed. x, p. 459, n. 4 (1758). 

 Fourteen males and three females, 7th May to 20th August, in the 

 forests around Silcuri. 



182. Papilio (Gharus) chaon. 



P. chaon, Westwood, Arc. Ent., vol. ii, p. 97, pi. Ixxii, figs. 1, 1*, maZe(1845). 

 Three males, Irangmara, 25th July to 6th August. 



183. Papilio (Zetides) agamemnon. 



p. agamemnon, Linnaeus, Syst. Nat., ed. x, p. 462, n. 21 (1758). 

 Ten males and three females in forests around Silcuri from 12th 

 May to 5th August. 



184. Papilio (Zetides) euryptlus. 



P. eurypylus, Linnaeus, Syst. Nat., ed. x, p. 464, n. 37 (1758). 



Eleven males and one female in forests around Silcuri from 6th 

 May to 8th August. The Cachar specimens are a little larger than the 



