( 171 •) 



The penus Polyptyehus, though comprising- liomogeucons material, is so miieh 

 diversitied that it will have to be divided up wheu the Airieau laiuia is better 

 known. Two Oriental genera {Daphnusa and Maniniba') are derivations from this 

 Aethiopian and Indo-Malayan genus Pobfpti/i-hns, while the other modifications 

 are all Aethiopian. 



Key to the genera : 



(I. Midtibia with spines, at least at end . . . b. 

 Midtibia without spines ..... m. 



h. Two pairs of spurs to hiudtibia, with 



frenulum ....... c. 



Two pairs of spurs to hiudtibia, 



without frenulum ...... I. 



One pair of spurs to hiudtibia . . . . Ii. 



c. No paronychium .... LVIII. Leptodanis. 



Witli i)arouychium, no pulvillus . LXIX. Lophosti'tliiis. 

 With paronychium, with pulvillus . . . d. 

 (I. Hinder angle of forewing not indi- 

 cated, the wing evenly rounded 

 from base to near apex 

 Hinder angle of forewing at least 

 indicated ..... 



e. Forewing with a broad pale yellow 



streak from base to apex . 



Forewing without such a streak 



f. Hindwing yellow, red, or pinkish grey, 



with large black basal patch 



Hindwing not so; |mlpus small, rough 



with hair-scales, joint not open 

 Hindwing not so ; palpus not rough 

 with hair-scales, joint open ; or 

 distal margin of forewing even 

 y. Joint of palpus not open ; long ter- 

 minal spur of hindtibia obviously 

 shorter than first tarsal segment . 

 Joint of palpus open ; long terminal 

 spur of hiudtibia obviously shorter 

 than first tarsal segment 

 Joint of palpus open ; long terminal 

 sjmr of hindtibia as long as first 

 tarsal segment .... 



h. Foretibia ending in a prominent tliorn 



Foretibia not ending in a thorn 

 /. Wings red and green 



Wings not red and green ; antenna 

 pectinated ..... 



Wings not red and green ; antenna 

 not 2)ectinated .... 



* Only indicus. 



LXI. FlnjUoxiphin. 



e. 



LIX. Leucopldehia. 

 ■ J- 



LVI. Pseudoclanis. 

 LXXVIII. Mimas. 



LV. Clanis. 



LX. roli/pti/chu.%. 



LX V II I. Acanthosphinx. 

 i. 



■ .'/■ 

 LXXI. Rhodopra.iina. 



LXVII. Ceridia. 



LXIV. Marumha.* 



