510 PAPILIONID.E, 
" Thorax stout. 
" Anterior wings triangular, slightly falcate ; the upper discocellular nervule very short ; the 
lower discoidal nervule curving upwards ; the third subcostal nervule thrown off precisely 
at the end of the cell ; median and submedian nervules united by a baseo-mediau nervule. 
" Posterior ivings dentate, caudate ; the precostal nervure two-branched, the inner nervule bent 
downwards, and united to the costal nervure. 
" Legs moderately robust. Anterior tibioe with a short stout .spur, covered by a tuft of hair. 
Tarsi spiny, the first joint about equal in length to the others combined. Claws simple, 
curved. 
" Abdomen of moderate length, curved in the male. 
" This beautiful geuus, of which oue species only is yet known, may be 
distinguished at a glance from the others of this family by its long porrect 
palpi. There is little else in its structure to separate it from Ornitlioptera 
or Papilio, though some of its peculiarities indicate an approach to Thais, a 
genus in which the palpi are more developed than in any other of the 
Papilionidae, Avith the exception of Teinopal^us. 
" The posterior wings differ materially in the two sexes ; in the male they 
are dentate, one-tailed, in the female three-tailed." {Douhledaij, I. c.) 
Teinopalpus imperialis. 
Teinopa/jjtis iiiiptrialis, Hope, Trans. Linn. Soc. xix. p. 1.31, pi. xi. figs. 1, 2 (1843); 
Westwood, Arc. Eat. ii. pi. lis. (1843) ; Doiibleday & Hewitson, Gen. Diurn. Lep. 
pi. i. fig. 1 (184G). 
2 T.porryicE, Hope, Trans. Linn. Soc. xix. p. 131, pi. xi. rigs. 3, 4 (1843); Westwood, 
Arc. Eat. ii. pi. Ix. (1843). 
" Alis viridi-pulverosissimis ; anticis fascia tenui transversa mcdiana nigra extus flavo-marginata 
nebulisque duabus fuscis submargiualibus ; posticis cauda unica terminatis macula magna 
mediana flava nigro-cincta squamulis einereis lunulisque marginalibus flavis viiidibusque ; 
omnibus subtus aurantiis nigro-striatis dimidio basaK viridi ; posticis apicibus nigris griseo 
viridique variis. 
" Long. oorp. lin. 15 ; espans. alar. unc. 3 lin. 10. 
" Habitat in India Orientali, Silhet." {Hope, I. c.) 
I received two male specimens of this species from Chang-yang, Central 
China. One of these was captured by Mr. Pratt whilst it was resting on a 
moss-covered stone in the bed of a small stream where it was allowing the 
spray from a tiny cascade to faU upon its wings. 
I believe that T. imperifdis has hitherto only been met with in Sikkim, and 
Mr. Elwes gives the following interesting account of its habits in that 
district : — 
