6o 



ios. Apparently 3 or 4, the 2nd branching at a quarter, or lesser distance from the base. Genus 



Atheoptera 2 2. 



B.-POSTERIOR WINQS. 



1. Costa of posterior wings nearly straight. Genus .Etheoptera 3 3 . 



2. Inner margin of wing at the anal angle deeply incised, Genus .Etheoptera $ 3 ; much less incised, but more 



abruptly, Genus Schoenbergia 3 3 . 



3. Without an abdominal fringe. Genus Drurya 3 2 . 



3«. With a short abdominal fringe. Genera Schoenbergia, Ornithoptera, and jEthboptera 2 2 . 

 36. With moderately long fringe, the 3 3 of the same Genera. 



y. With very long white or brownish-white hairy fringe. Genus Schoenbergia 3 3 . 



4. Discoidal cell elongate and rather narrow (wider midway). D. Antimachus 3 2 . 

 \a. Cell irregular in shape. D. Zalmoxis. 



4/;. Cell broad 3 , narrower 2 . Sch. Paradisea and Tithonus. 

 4c. Cell very broad at distal end. Tithonus 3 . 



\d. Cell proportionately large. Goliath 2 , and Genus Ornithoptera : sometimes the 3 and sometimes the 

 2 being the broadest. 



\e. Cell narrow, and nearly 3 - 4 ths of the wing length. Genus Etheoptera 3 3 : less than half the length 

 of wing and less narrow 2 2. & 



5. Pseudoneura strongly expressed, with 3 branches. Genus Drurya. 



5a. Invisible in Genus Schoenbergia 3 2 , inORNiTHOPTERA 3 2 3 in number. 

 56. Pseudoneura 2, the first branching midway of the cell. Genus .Etheoptera. 



6. Posterior wings rounded. D. Zalmoxis 3 2 . 



6a. Length of wings z\ times their width. Sch. Paradisea 3 ; length 2 J times their width Tithonus 3 . 

 6b. Length of wings nearly 2 times their width. M. Victoria and Regince 3 3 . 



7. With strongly curved narrow caudal prolongation or tail. Sch. Paradisea 3 . 



8. Wings broad. D. Antimachus 3 2 . 



AA.-ANTERIOR WINQS. 



I. The males and females resemble each other in colours and pattern. D. Antimachus and Zalmoxis. 



irt. The sexes unlike in pattern and form in the genera Schoenbergia, Ornithoptera and .Etheoptera. 



BB. -POSTERIOR WINQS. 



I. The males and females resemble each other in colours and pattern. D. Antimachus and Zalmoxis. 

 la. Sexes unlike in pattern and form in the genera Schoenbergia, Ornithoptera and .Etheoptera. 



c. 



1. Females smaller than the males. Genus Drurya. 



la. 2 2 larger than the 3 3. The genera Schoenbergia and Ornithoptera. 

 ib. 2 2 much larger than the 3 3. Genus ^Etheoptera. 



d.-males, colouration. 



1. Wings on the upper surface with brick-red and black colours : under surface yellow, black and grey. D. Antimachus. 

 la. Wings blue-green, or olive-green blue and black above ; grey-white, red-brown, brick-red, and black and white 

 beneath. D. Zalmoxis. 



ib. Golden-green, golden-yellow and black on both surfaces, Geneia Schoenbergia and /Etheoptera ; on the 

 under surface the emerald green is suffused with gold in the genus Etheoptera. 

 ic. Golden-green and black on all the wings. 0. Priamus, Cassandra, Richmondia (varied in tone), Pegasus (darker 

 green), Poseidon, Aruana (lighter warm silky green). 



id. Golden scarlet, scarlet shot with green, golden yellow or orange, and brown above, and golden dark and 

 green below. O. Crcesus and Lydius. 

 le. Green-blue and black. O. Eumceus. 



if. Dark violet-blue and black, greenish-blue or violet, dark lilac-blue and black" Urvilliana. 



