272 On Sphingidge//-o»i the Malay Peninsula. 



from which it differs by the paler anterior wings and tlie much 

 larger basal spot to same ; on the posterior wing it is also 

 distinguished by the presence of the dark patch at base, and by 

 the outer fascia being more lunate and channelled. The 

 costal markings of the anterior wings are also smaller, whilst 

 A. Pryeri is of a larger size and brighter hue than A. Uturata. 

 Although no species of Ambulyx has yet been received 

 from the Malay Peninsula, it is almost more than probable 

 that several species are to be discovered there. The genus is 

 an extensive one with a wide range, and the following is a 

 geographical list of the species, which, I believe, is fairly 

 complete, though of course subject by future comparison to 

 analytical specific reduction. 



PalcBarctiG Region^ 



Ambulyx ochracea, Butl. (Japan). 



Ethiopian Region. 



Ambulyx constrigilis, Walk. Ambulyx Watersii, Biitl. 

 Grandidieri^ Mah. CoquereUi, Boisd. 



Oriental Region. 



Ambulyx substrigilis, West, Ambulyx rubricosa, Walk. 



maculifera, Walk. floralis, Butl. 



liturata, Butl. auripeunis, Moore. 



rbodoptera, Butl. junonia, Btitl. 



subocellata, Feld. consanguis, Butl. 



sericeipennis, Butl. Elwesi, Druce. 



labora, Butl. argentata, Druce. 



turbata, Butl. Thwaitesi, Moore. 



Moorei, Butl. Pryeri, Dist. 



canescens, Walk. 



Neotropical Region. 



Ambulyx strigilis, Linn. Ambulyx sexoculata, Grote. 



eurycles, H.-S. Guessfeldti, Dewitz. 



tigrina, Feld. Depuiseti, Oherth. 



gannascus, Stoll, Palmeri, Boisd. 



rostralis, Boisd. crethon, Boisd. 



marginata, Butl. astygonus, Boisd. 



eurysthenes, Feld. lycidas, Boisd. 



One or two other species, either doubtfully belonging to 

 the genus or described without habitat, which is still unknown, 

 are not included in the above. 



