1882]. FROM THE N.W. HIMALAYA, 259 
spatular tail ; cell long, narrow, pointed at the end. Antenne short, 
gradually thickening to the end. 
Larva with several short tubercles on each segment. Pupa broad 
laterally ; head broad and slightly cleft in front; thorax convex 
above and beneath, angular at the side; wing-cases dilated laterally ; 
dorsal segments with foliaceous lateral appendages. 
Type B. philowenus. 
ByasA PHILOXENUS. (Plate XII. figs. 5, 5a, larva.) 
Papilio philoxenus, Gray, Zool. Misc. p. 32 (1831); Lep. Ins. 
Nepal, p. 5, pl. 2; Westw. Cab. Orient. Ent. pl. 40. f. 2. 
Larva 23 inches long, pale purple-brown ; head and legs shining 
black ; head small, corneous, sparsely covered with short hair; second 
segment with two short tubercles on each side, and a transverse 
flattened corneous tentacular sheath above the head ; third, fourth, 
fifth, and sixth segments each with eight short tubercles (four on 
each side), the dorsal series longest ; seventh, eighth, ninth, and 
tenth segments each with six tubercles, and eleventh, twelfth, and 
thirteenth segments each with four shorter tubercles ; each tubercle 
ted at the apex, and purple black-streaked at the base; intervening 
space between the tubercles with a transverse and a dorsal series of 
paler purple-black spots; these markings all with pale borders ; 
seventh and eighth segment each with a lateral, short, broad oblique 
white band. 
Pupa reddish-ochreous, broad laterally ; head broad and slightly 
cleft in front; thorax convex above and beneath, angular at the 
side; wing-cases dilated laterally ; dorsal segments with foliaceous 
lateral appendages. 
The above descriptions of the larva and pupa are taken from 
specimens found by Mr. Hocking “ feeding on a creeping pitcher- 
plant (Nepenthes?) on September 20th, at an elevation of 6200 feet. 
The larvee changed to pupe on Sept. 27, the pupa making a 
squeaking noise when touched.” 
ByAsA RAVANA. 
Papilio ravana, Moore, Catal. Lep. Mus. E.I. C. i. p. 96 (1857). 
Papilio philoxenus, var., Westw. Cab. Orient. Ent. pl. 40. f. 4. 
MENELAIDES ARISTOLOCHI. 
Papilio aristolochie, Fabr. Ent. Syst. p. 443 (1775). 
Papilio diphilus, Esper, Ausl. Schmett. pl. 40. f.1, 2. 
LaERTIAS PAMMON. 
Papilio pammon, Linn, Syst. Nat. i. 2, p. 746 (1767), 3. 
Papilio polytes, Linn. ibid., 2. 
“Larva on lemon-tree, June 19th. The perfect insects (male 
d female of pammon form) fly from March to December, at an 
elevation of 6000 feet The polytes form, @, is more restricted to 
the hot valleys, not appearing before June, and very rarely found 
above 4000 feet.” 
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