1909.] Records of the Indian Museum. 443 



chrysolampis , Jaen., deveda, Wlk.^ doryca, Boisd., sphinx, F., auran- 

 tiaca, Guer., fiaviventris , T)o\., and oenomaus, Rond., to which I 

 add a new one quite distinct from all by the diffused spots on its 

 wing, viz., sufusipennis. 



Of the remainder, wing figures have been available of fusci- 

 pennis, Macq., tristis, Wulp, alhicinda, Macq., satyrus, F., and 

 ohliqua, Macq., and of these, tristis and ohliqua are quite distinct 

 from all others; devecta, Wlk., and satyrus, F., seem to me to be 

 allied. 



Without considering the arrangement to in any way represent 

 natural affinities, I have, in my own mind, merely as a tempo- 

 rary convenience, grouped the species as follows, after much diffi- 

 culty : (i) species with wings mainly dark brown or blackish, 

 with more or less purplish reflections {tantalus to fuscipennis incl.) ; 

 (2) species with wings mainly very dark but with a limited clear 

 tip (tristis) or posterior margin {dives) ; (3) an intermediate 

 species with uniforml}^ brown wings but not of such intensity as in 

 the first group {sphinx) ; (4) species with the wings never clear, 

 but with the anterior half (more or less) always much darker, 

 without any distinct line of demarcation between the dark and 

 light portions {alhicinda to suffusipennis) ; (5) species with grey 

 or light brown wings with darker parts and with the costa and 

 principal veins streaked with yellow {satyrus and devecta) ; (6) an 

 intermediate species with mainly clear wings and a distinct 

 narrow dark anterior margin {doryca) ; (7) species with a nearly 

 or quite clear wing bearing the oblique dark baso-costal band 

 which is so common in this sub-familj^ {flaviventris and cenomaus) ; 

 and, finally, (8) an isolated species with clear wings and an oblique 

 bilobed band {obliqua). Students must remember that this is 

 merel}^ an artificial and temporary sequence pending the better 

 study of the affinities and limits of all the species. 



EXOPROSOPA, Macq., 1840. 

 Dip. Ex., ii, I, 35. 



1. pennipes, Wied., 1821, Dip. Ex., i, 129 {Anthrax). 



Wied., Auss. Zwei., i, 272 {Anthrax); Macq., 



Dip. Ex., ii, I, 49 {Exoprosopa) ; Rond., Ann. 



Mus. Gen., vii, 452 {Hyperalonia). 



lyOC. — Borneo [t, Rond.] ; Karachi (India) and Assam [Ind. 



Mus. Coll., t. m.] ; Pusa (Bengal), on pear tree, 5-V-1906 [P^tsa 



Coll., t. m.]. 



Type in Westermann's collection. 



N.B. — This species is easily known from all others in the 

 genus by the dense black hair on the hind tibiae. -1 



2. lar, F., 1781, Sp. Ins., ii, 414 {Bibio). 



F., Sys. Antl., no ; Wied., Auss. Zwei., i, 268 

 {Anthrax). 



