390 MR. F. MOORE ON NEW LEPIDOPTERA [June l9, 



5. Descriptions of new Genera and Species of Lepidoptera 

 Heterocera, collected by Rev. J. H. Hocking, cliiefly in 

 the Kangra District, N.W. Himalaya. By F. Moore, 

 F.Z.S. 



[Eeceived June 12, 1888.] 

 Fam. Sphingidj^. 



POLYPTVCHUS TRILINEATUS, 11. Sp. 



Allied to P. dentatus and P. timesius. Uj)perside of a paler 

 browiiish-ochreous colour than P. dentatus ; fore wing crossed by a 

 slightly waved oblique anteinedial brown line, a less distinct medial 

 inwardly-oblique line which touches the end of the cell in crossing, 

 and a waved postrnedial line ; the medial and apical area clouded with 

 darlver brown : hind wing with an indistinct greyish transverse discal 

 narrow fascia. 



Expanse 3| inches. 



Hab. Dharmsala. In coll. British Museum. 



Ambulyx placida, n. sp. 



Upperside — fore wing pale purplish lilacine greyish-brown; crossed 

 by an indistinct single antemeciial zigzag slender brown line, an 

 oblique outwardly-curved postmedial line followed by three less 

 distinct wavy discal lines, and a prominent outer marginal inwardly- 

 curved olivaceous-bordered line, the latter also bent inward below 

 the apex and then curving upward to the costa ; the area between 

 the postmedial line and outer margin being darker than the basal 

 area ; a small blackish-brown paie-boidered round spot at basal end 

 of the cell ; a large spot below the submedian near the base, and a 

 less perfectly formed rounded spot on the costal edge above the 

 latter, a less distinct smaller spot also at the lower end of the disco- 

 cellular veinlet : hind wing dull yellovvish-ochreous, with an oblique 

 transverse medial ai'd a marginal hlacine-blackish band with two 

 interdiscal oblique series of similar coloured spots. Body pale 

 purplish lilacine greyish-brown ; a broad blackish-brown frontal 

 band, and a similar broad hind wardly -confluent band down each side 

 of the thorax ; abdomen with pale ochreous segmental bands and 

 anal tuft. 



Expanse 4\ inches. 



Hab. N.AV. Himalaya. In coll. British Museum. 



Kearest allied to A. sericeipennis, Butler, P. Z. S. 1875, p. 251. 

 A male specimen collected at Solun, N . Punjab, by Capt. R. B. Reed, 

 is also in Mr. Moore's collection. 



Dahira, n. g. 



Fore wing elongated, rarrow ; costa arched towards the end, apex 

 produced ; exterior margin very oblique, slightly concave below the 

 apex, even ; first subcostal branch emitted at one fourth, second at 



