1877.] ANDAMAN AND NICOBAR ISLANDS. 595 



Tribe Sphinges. 

 Fam. Sphingid.e. 

 Pergesa actetjs, Cram. Pap. Exot. iii. pi. 248. f. A (1782), 

 S. Andamans (Port Blair). 



Panacra busiris, Walker, Catal. Lep. Het. B. M. viii. p. 158 



(1856). 



S. Andamans (Port Blair). 



Acherontia morta, Hiibner ; Cram. Pap. Exot. iii. pi. 237. f. A. 



A. satanas, Boisd. Hist. N. des Lep. pi. 16. f. 1. 



A. lethe, Westw. Cab. Orient. Ent. p. 87, pi. 42. f. 2. 



(?) Sphinx lachesis, Fabr. Ent. Syst. Suppl. p. 434. 



S. Andamans (Port Blair). 



Ch^.rocampa nessus, Dniry, 111. Nat. Hist. ii. p. 46, pi. 27. f, 

 1 (1773). 

 S. Andamans (Port Blair). 



Ch^rocampa tenebrosa, n. sp. 



Upperside — fore wing dark buff-brown, with six oblique discal 

 indistinct dusky bands, the fourth black-streaked where crossing the 

 reins ; a black spot near base and one at end of the cell ; hind wing 

 dark fuliginous-brown, palest at anal angle; thorax dark buff- 

 brown ; abdomen dusky brown above. Underside — fore wing dusky 

 brown ; discal oblique band reddish buff, slightly black-speckled, 

 and with black spot on each vein : hind wing reddish buff, slightly 

 black-speckled, with a discal series of black spots : abdomen beneath 

 and legs pale buff-brown. 



Expanse 3 inches. 



S. Andamans (Port Blair). In coll. British Museum. 



Allied to C. hicasi. Walk., but is a much darker insect. 



Triptogon andamana, n. sp. 



Male. Nearest allied to T.fuscescens, Butler, but differs above on 

 the fore wing in the median and subbasal transverse bands being 

 bent and terminating on the hind margin more obliquely inv.ards, 

 the basal bands each being waved, and the dark chestnut-brown spots 

 near posterior angle smaller ; hind wing less lobed and browner at 

 anal angle, the spots smaller, and basal streaks not so prominent ; 

 and on the underside the inner dusky band on hind wing is curved. 



Expanse 4 inches. 



S. Andamans (Port Blair). In coll. British Museum. 



Clanis phalaris. Cram. Pap. Exot. ii. p. 83, pi. 149. f. A ( 1 779). 

 Sphinx pagnna, Fabr. Spec. Ins. ii. p. 146 (1781). 

 Sph. nicobarensis, Schwartz, Beyt. Suppl. a Klem. et Roes. i. I ; 

 Esper, Schmett. App. pi. 1 . f . 1. 



Clanis nicobarensis, Hiibn. Verz. p. 138. 

 S. Andamans (Port Blair). 



36* 



