SYNOPSIS OF THE PRINCIPAL CHARACTERS OF THE GENERA DRURYA, SCHOENBERGIA 

 ORNITHOPTERA AND .ETHEOPTERA CONTAINED IN THIS ist VOL. 



A. -ANTERIOR WINGS. 



i. Costa of anterior wings z\ times the length of the interior margin. Drurya Antimachus 3 , Schoenbergia Paradisea 3 . 

 la. Costa of anterior wings nearly 2 times the length of the interior margin. D. Antimachus 2 , D. Zahnoxis $ . 



2. Outer margin of anterior wings strongly concave. D. Antimachus 3 2. 

 za. Outer margin of anterior wings less concave. D. Zahnoxis. 



zb. Outer margin of anterior wings sub-convex. Schoenbergia Paradisea 3 . 



3. Anterior wings elongate and triangulate. The 3 3 oi Ornithoptera Priamus, Cassandra, Richmondia, Pegasus, Poseidon, 



Aruana, Eumaus, Crcesus, Lydius, and Urvilliana. 



3«. Anterior wings long and narrow by comparison with the posterior wings. Thee? 3 of ZEtheoptera Victoria, Regina, 

 and Regia. 



4. The 3rd subcostal nervure emitted close to the apex of the discoidal cell of the anterior wing. D. Antimachus, 



Zahnoxis, Schoenbergia Paradisea, (and, occasionally) JEtheoptera Regina 3 3 2 2. 

 4a. The 3rd subcostal nervure emitted at 3 mm. below the apex of the cell, Sch. Tithonus S ; at 2 mm. 2 ; at 4 mm., 

 Sch. Goliath 2 ; at 5 mm., 0. Priamus 3 ; at 6 mm. 0. Priamus 2 ; at 4 mm. 0. Cassandra 3 ; at 5 mm. 

 the 2 ; at 2 mm. 0. Richmondia 3 ' , at 3 2 ; at 7 or 8 mm., 0. Pegasus, and Poseidon 3 2 ; at 4 or 5 mm., 

 Aruana 3 2 , at 7 mm. Aruana var. 2 , Eumaus and Crcesus 2 ; at 6 mm., Eumaus and Crcesus 3; also at 

 3 mm. Crcesus 3 ; at 6 mm., Lydius 3 2 , Urvilliana 3 2 ; at 5 or 3 mm., M. Victorice and Regina 3 ; at 8, 

 9, or 10 mm. Victoria and Regince 2 ; and at 2 mm. above the apex of the cell Victoria: 3 2 . 

 4b. The 4th and 5th subcostal nervures emitted at 9 or 10 mm. above the apex of the cell, D. Antimachus 3 , 

 at 8 2 ; at 6 mm. D. Zahnoxis; at 12 mm., Sch. Paradisea 3 2 ; at 4 mm., Tithonus 3 , at 6 2 ; at 11 

 mm., Goliath; at 4 mm. 0. Priamus 3 2 ; at 3, 4, or 5 mm. Cassandra 3 , at 5 to 7 mm. Cassandra 2 ; 

 at 2 mm., Richmondia 3 2 ; at 1 mm. Pegasus 3 , at 3, 2 ; also at 3 3 , and at 6 2 var. Brunnea) ; also at 4 

 Pegasus 3 , at 5 or 6, 2 ; at 2 mm., Aruana 3 , at 6 or 7 2 ; at 1 Eumaus 3 , at 2, 2 ; at 2 mm., Crcesus 

 3 , and Lydius 3 2 , also at 4 Lydius 2 ; at 2 or 3 mm. Urvilliana 3 2 ; at 3, 7, or 9 mm., J?T. Victoria 3 ; at g 

 or 12, Regince 3 ; at 11, 14, or 18, ^E. Victoria 3 ; at 13 and 14, Regina 2 . 



5. Anterior wings rounded. Sc/i. Paradisea, Tithonus, and Goliath 2 2 . 



5a. Outer and inner margin united by a continuous curve to the base, y£. Victoria, Regina and i?e^a <? <? . 

 56. Inner margin of wing straight, Sch. Paradisea, and Tithonus 3 3 . 



6. Anterior wings of the 2 more arcuate (and pointed at the apex) than the 3. 0. Aruana, Eumceus, Crcesus, and 



Urvilliana. 

 6a. Anterior wings straighter at the costa, and less pointed at the apex. 0. Lydius and other species of this genus. 



7. Anterior wings with no sexual stigmatic or pupseform brand in the 3 . The genera Druryia and Schoenbergia. 



ya. With a large pupaeform stigma. Genus Ornithoptera (and section Priamoptera). 

 jb. With a long, narrow pupseform stigma. Genus JEtheoptera. 



8. Discoidal cell long and narrow. D. Antimachus and Zahnoxis 3 2 : long and conical Sch. Paradisea 3 2 . 

 8a. Cell proportionately large. Genus Ornithoptera. 



8b. Cell very broad at the distal end, and diminishing to a point at the base. Genus Ornithoptera 3 3 : in 

 the 2 2 broad, and half the wing length. 



9. Basal cell long, and nearly cuneiform. D. Antimachus 3 2 . 

 ga. Basal cell very narrow. Sch. Paradisea, Tithonus 3 2 . 



96. Basal cell tetrahedronal. Sch. Goliath. 



gc. Basal cell moderately long and narrow : sometimes tetrahedronal or cuneiform. Genus Ornithoptera. 



10. Pseudoneura 4 in number, the 3rd and 4th branching halfway from the base. Antimachus and Tithonus 3 2 . 

 10a. The 3rd branching at i-4th from the base. Zahnoxis 3 . 



10b. Pseudoneura 4 in number. All branch off from a basal stem at a short distance, and running fairly parallel. 

 Paradisea 3 ; in the 2 arranged in the same way as in the genus Ornithoptera. 



ioc. Pseudoneura 4 in number : arranged, or branching from each other, differently in different species. 

 Ornithoptera 3 2 . 



lod. Pseudoneura 4 in number : ist branch shorter than in the Genera Pompeoptera and /Etheoptera 3 . 



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