63 



id. Black with green or bluish, or opal-like longitudinal dorsal mark, and large pectoral red patch. Goliath 2 , 

 and all the species of the Genus Ornithoptera 3 2 except those named below. (The pectoral red 

 patches vary in extent from the whole length of the thorax to only a small portion, according 

 to the species.) 



le. With double red pronotal collar. Richmondia 2 , Poseidon 2 , Urvilliana v. 8 . 

 if. Black, with no pectoral red patch. The Genus ^theoptera 3 2 . 



Q.— HEAD. 



I. Eyes prominent, brown : villose tuft with white dots, palpi slightly porrected. D. Antimachus 8 2 , Zalmoxis 3 2 . 

 la. Eyes large, nitid black, strongly underlined with white. Sch. Paradisea 8 , Goliath 2 . 



lb. Eyes only faintly underlined with white ; palpi not porrect, and concealed by brief villose tuft. Paradisea 2 , 

 Tithonus 3 2 . 



ic. Eyes light or dark castaneous brown ; only faintly underlined with white : palpi concealed : villose tuft 

 short. All the species of the Genus Ornithoptera 3 2 except Lydius 2 , where the eyes are not 

 underlined. 

 id. Eyes very faintly underlined. Genus ^Etheoptera. 



H.— ANTENN/E. 



I. Antennae 2-3rds the length of the abdomen ; strongly clubbed. Antimachus 8 2. 



la. Antennas very thin, as long as the abdomen, but gradually thickened at the club. Zalmoxis 8 2 . 



lb. As long as the abdomen : straight to the club, somewhat like a Nymphalidous antenna. Paradisea 3 2 , 

 Tithonus 3 2 . 



ic. Curved a little : club not robust. Goliath 2 . 



id. Curved, with stout club ; about the length of the abdomen. Genus Ornithoptera 8 2 . 



le. Length of abdomen ; not curved so much as in Ornithoptera ; club fairly straight and thick. Genus 

 .ZEtheoptera 8 ? . 



I.-THE LEGS. 



1. Femora and trochanters creamy yellow, 8 ; blackish yellow, 2 . D. Antimachus. 



la. Femora and trochanters black and slightly cream colour. D. Zalmoxis 3 and ? . 

 ib. Femora light yellow, trochanters dark. Sch. Paradisea, 8 and 2 . 



ic. Femora and trochanters black. Sch. Tithonus, 3 and 2 ; Sch. Goliath 2 . 



id. Femora and trochanters dark-brown. All the species of the Genus Ornithoptera and its section 

 Priamoptera. The femora are usually deeply embedded in the black and red hairy scales, which clothe 

 the sides of the thorax, when in a state of rest. 

 le. Femora and trochanters very black. JE. Victoria, Regince, and Regis, 3 and 2 . 



2. Femora of Prothoracic (or ist) and Metathoracic (or 3rd) pairs of legs generally equal in length, the Mesothoracic 



(or 2nd) pair longer ; Antimachus 8 2 , Zalmoxis 8 2 , Paradisea 8 2 , Crcesus 2 , Lydius 3 . 

 2a. Femora of unequal length. Tithonus 3 2 , Priamus 2 , Urvilliana 3 2 , Poseidon and vars. 8 2 , Aruana 8 2 , 

 Eumceus 3 2 , Croesus 8 , Lydius 2 . 



2b. Femora of ist and 2nd pairs longer than the 3rd. Priamus 8 , Cassandra 2 , Richmondia 3 , Regince 3 2 . 

 2C. Femora of 2nd and 3rd pairs equal lengths ; 1st pair shorter. Cassandra $ , Pegasus $ 2 , Victories 3 . 

 2d. All 3 pairs equal in length. Richmondia 2 , Victoria 2 . 



3. Tibia. All 3 pairs unequal in length. Antimachus 3 2 , Zalmoxis 8 , Paradisea 8 , Tithonus 8 2 , Priamus 2 , 



Cassandra 8 2 , Aruana 8 , Eumceus 2 , Crcesus 8 2 , Lydius 3 2 , Urvilliana 3 2 , Victories 2 . 



2,a. The 2nd and 3rd pairs longer than the 1st. Paradisea 2 , Richmondia 2 , Pegasus 8 , Aruana 2 , Eutnaus 3 . 



lb. The 1 st and 3rd pairs equal in length ; the 3rd pair longer. Priamus 3 , Richmondia 8 , Regince 2 . 



3c. The ist and 3rd pairs equal in length ; the 2nd pair longer. Pegasus 2 , Brunneus ? , Poseidon and vars. 

 3 2 , Victories 3 . 



4. Tarsi. The 2nd and 3rd pairs equal in length ; ist pair shorter. Priamus 2 , Cassandra 3 , Richmondia 8 2 , Pegasus 



3 2 , Poseidon and vars. 2 , Eumceus 3 , Lydius 2 , Victories. 2 , Regina 2 . 

 4a. First pair longest ; the 2nd and 3rd pairs equal in length. Zalmoxis 8 . 

 46. First and 2nd pairs equal in length ; the 3rd shorter. Urvilliana 2 . 



4c. The 3 pairs unequal in length, but the 2nd pair the longest. Paradisea 3 2 , Tithonus 8 2 . 



4^. Unequal in length, but the 3rd pair the longest. Priamus 8 , Cassandra 2 , Aruana 8 2 , Crcesus 8 2 , 

 Victories 8 , Lydius 8 . 



45. Unequal in length, but the ist pair the longest. Urvilliana 8 . 

 4/. Equal in length. Poseidon 8 . Brunneus 2 , Eumaus 2 . 



