OF THE MALAYAN REGION. 



15 



are in most cases very great, and are much more conspicuous in the specimens themselves 

 than on paper. It will be seen that no less than fourteen Papilionidse inhabiting Celebes 

 and the Moluccas are from one-third to one-half greater in extent of wing than the allied 

 species representing them in Java, Sumatra, and Borneo. Six species inhabiting Amboyna 

 are larger than the closely allied forms of the northern Moluccas and New Guinea by about 

 one-sixth. These include almost every case in which closely allied species can be compared. 



PAPILIONID^ 



Species of the Moluccas and Celebes (large). 



Ornithoptera Helena (Amboyna) 



Expanse. 



inches. 



. 7-6 



Papilio Macedon (Celebes) 5'8 



P. Philippus (Moluccas) 4'8 



P. Blumei (Celebes) 5-4 



P. Alphenor (Celebes) 4-8 



P. Gigon (Celebes) 5-4 



P. Deucalion (Celebes) 46 



P. Agamemnon, var. (Celebes) .... 4"4 



P. Eurypilus (Moluccas) ...... 4"0 



P. Telephus (Celebes) 4-3 



P. ^gisthus (Moluccas) 4-4 



P. Miletus (Celebes) 4-4 



P. Androcles (Celebes) 4'8 



P. Polyphontes (Celebes) 4*6 



Leptocircus Curtius (Celebes) .... 2"0 



Species iahabiting Amboyna (large). 



Papilio Ulysses 61 



P. Polydorus 4-9 



P. Deiphobus 6-8 



P. Gambrisius 64 



P. Codrus 5-1 



Ornithoptera Priamus, 6 80 



1 



Closely allied species of Java and the Indian region 

 (small). 



Expanse, 

 inches. 

 O. Pompeus 5"8 



O. Amphrisius 6"0 



P. Peranthus 3-8 



P. Brama 40 



P. Theseus 3-6 



P. Demotion 4*0 



P. Macareus 3"7 



P. Agamemnon, var 3'8 



P. Jason 3-4 



P. Rama 3-2 



P. Sarpedon 3-8 



P. Antiphates 3*7 



P. Diphilus 3-9 



L. Meges 1-8 



Allied species of New Guinea and the North Moluccas 

 (smaller). 

 P. Penelope 5-2 



P. Telegonus 4*0 



P. Leodamas 4*0 



P. Deiphontes 5 '8 



P. Ormenus 5"6 



P. Tydeus 6*0 



P. Codrus, var. papuensis 4*3 



Orn. Poseidon, <S 7'0 



The differences of form are equally clear. 



Papilio Pammon everywhere on the continent is tailed in both sexes. In Java, Sumatra, 

 and Borneo, the closely allied P. Tlieseus has a very short taO, or tooth only, in the male, 

 while in the females the tail is retained. Fiu'ther east, in Celebes and the South Moluccas, 

 the hardly separable P. Alphenor has quite lost the tail in the male, while the female 

 retains it, but in a narrower and less spatulate form. A little further, in GUolo, P. Nicanor 

 has completely lost the tail in both sexes. 



Papilio Agamemnon exhibits a somewhat similar series of changes. In India it is 

 always tailed ; in the greater part of the archipelago it has a very short tail ; while far 

 east, in New Guinea and the adjacent islands, the tail has almost entirely disappeared. 



