120 
CATALOGUE OF 
tibia, with four rather short spurs. Wings long, moderately broad. 
Tore wings straight in front, rounded at the tips ; exterior border 
very oblique, slightly convex, slightly excavated near the tip of the 
wing ; second inferior vein much further from the third than from 
the first ; _ third about twice further from the fourth than from 
the second. Hind wings rounded at the tips, slightly emarginated 
along the extenor border towards the interior angle. 
1. Cizaea Ardenle. 
Ntgro-mridis ; capitis thoracisque latera testaceo-glauca ; caput 
subtus glauco-albidum ; antenna: testacea ; thorax vittis dim- 
bus arcuatis testaceis ; abdomen f asciis duabus abbreviate 
testaceis, apicem versus lutescens ; pectus ex parte femoraque 
poslenora rufa ; tibia intermedia alba ; ala antica moraine 
testaceo-cervmo , ocello guttaque basalibus testaceis, fascia obli- 
qua testacea apud costam limpida ; postica nigro-fusca, striqa 
apud angulum interior em testacea , margine exterior e vostice 
glaucescente. r 
Sphinx Ardeniae, Lewin , Prodr . Ent. 3, pi. 2. 
a, Australia. From Mr. Strange’s collection. 
b. Australia. From Mr. Stevens’ collection.' 
Genus 11. AMBULYX. 
Corpus sat graoile, aut vix robustum. Caput conicum, oblu- 
sum. Proboscis longa. Antenna? subserratae. Abdomen Ionium 
oblanceolatum Pedes graciLes ; tibiae posticae calcaribus quatuor 
longissimis. Alae angustae, longissimae ; anticae acuminata?, mar- 
gine extenore subrecto, valde obliquo, apicem versus excavate 
maigine mtenore apud angulum interiorem concavo ; posticae mar- 
gine extenore emarginato. 
Arnbulyx, Boisd. MSS. 
Sphinx, p., Linn.; Fabr. 
Pholus, p., et Amblypterus, p., Hubn. Verz. Sclimett. 133, 134. 
Body rather slender or hardly stout. Head prominent, coni- 
cal, obtuse. Proboscis long. Antennae minutely serrated. Abdo- 
men long, oblanceolate. Legs slender; bind tibiae with four very 
long spurs. W ings narrow and very long, especially in the typical 
species, A stngilis. Fore wings slightly curved in front towards 
ttie tips, which are acuminated ; exterior border excavated by the 
