( fi ) 



I). First s(>giiiciif ol' ]);il|ins cxtcniMHy witli liu'uc !i])ii"il 



cavity i'onaed hy the si'iiliiii;- . . . .II. Mr(i(iconna. 



Scaling of jjulpus normal r. 



c. I'ulviliiis not obviously rednced ; ground colour (if 



liindwing yellow, abdomen with yellow patelies . IV. Coeloitia. 

 Pulvillus of tarsal claw-segment vestigial, or at least 

 very small, ground colour of hindwing not bright 

 yellow, abdomen without yellow lateral patciies . I. Ilersr. 

 B. Pupa (not known of Me(/aron//n). 



(I. Tongue-sheath not free ...... Achcrontia. 



„ free //. 



b. „ not recurved ..... Coelonia. 



,, recurved ...... Herse. 



V. Larva (not known of Mi'f/aeonmi). 



Horn — shaped, thiir;ix witliout liunips . . . Acherontid. 



„ „ with ,, ... Coelonia. 



Horn simjily curved, thorax without humps . . Ilersf. 

 Wc believe — if ])rophesying is admissible — that the larva ()( Mi'i/Krorma will 

 turn out to have hunijis and a horn with an upward curve. 



1. HEUtSE — Typus : coiivolcidi. 



Sphinx Linn<^, %</. A'(/. ed. x. p. 48'.) (1758) (parlim). 

 Ilersi' Oken, Lehrh. Niitimj. iii. p. 702 (1815) (partim ; type: conrolndi). 

 .Ujrhis Hiibiipr, Verz. heh. Sclim. p. 140 (1822) (partim). 



I'yolnjHirce, Butler {non Burmeister, 185G), Trini.i. ZikiL Soc Loud. ix. p. GOO (1877) (partim) ; 

 Moore, Lep. G'yloii ii. p. 4 (1882) ; Hamps., in Blanf., Faujia Brit, liidhi, Moths i. p. 103 (1892). 

 PhU'cjethonthis, Kirby (ho« Hiibner, 1822), Cal. Li-j,. lid. i. p. G87 (189:)). 



The species united here under Oken's generic term are all closely allie 1 with 

 one another in structure and pattern. They show close affinities to Coe/o/n'a 

 and Ac/if >o»fia, and have notliiug to do with Protoparee (type: ?7«?('m), or wifii 

 Vhle^jfthontius (= Cocj/tius). 



(??. Tongue very long, strongly tiiinniug apicad. Palpus without cavity in 

 the si'aling at the end of the first segment externally, second segment about a 

 quarter shorter than the first; inner surface of first longitudinally impressed; 

 cavity of second deep, covered by a conspicuous roof of scales (PI. LX. f. 1). 

 Antenna almost e(pial in width from near base to near hook in <?, slightly clubbed 

 in ? . Tarsi slender ; foretarsns with several prolonged external spines ; mid- and 

 hindtarsus with basal comb of biistles ; jwsterior tibia longer than first tarsal 

 segment ; pulvillus very small, paronychium with one lobe at each side instead of two, 

 the smaller ventral lobes obliterated. Scaling of antennae white from base to tip. 



c?. Procoxal scent-organ not strongly developed. Tenth abdominal tergite 

 more or less dilated before end (PI. XXVI. f. 15-18), apex pointed, compressed ; 

 sternite membranaceous, without lobe, continuous with the anal cone, which is 

 long. Olasper sole-shaped, rounded, dilated dorsally before end, this jjortion curved 

 inwards, inner surface with long bristles, except near apex of harpe, where the 

 liristles are short and stout, spine-like. Harpe rather short, with two distal lobes, 

 one above the other, both curving upwards and inwards, the upper one always 

 pointed, the lower one spatulate or also pointed. Penis-sheath much thicker 

 than iu Achcrontia, without armature. A ])atch of large multidentate scales 

 on clasper. 



