Rev. F. W. Hope’s Descriptions of Coleoptera. 73 
XVI. Descriptions of new Species of Coleoptera, from the 
Kasyah Hills, near the boundary of Assam, in the East 
Indies, lately received from Dr. Cantor. By the Rev. 
F. W. Hops, F.R.S., &ce. 
[Read 7th November, 1842.] 
Family LUCANIDZ. 
Sp. 1. Lucanus Cantort, Hope ¢. 
Affinis Lue. villoso, Hope, at major. Piceo-brunneus aurataque 
pubescentia tectus ; mandibulis exsertis, in medio dente majori 
armatis, apicibus subfurcatis; clypeo deflexo trigono, aurantiis 
capillis obsito. Thorax fere ut in Lucan. lunifero, Hope. 
Corpus subtus flavo-pubescens, femoribus rubro-corallinis 
tibiisque tarsisque nigris. Foemina differt capite thorace 
multo minori, mandibulis autem longitudine fere eequali. 
Long. lin. 31, lat. lin. 9; 9 long. lin. 18, lat. lin. 9. 
In Mus. Dom. Hope. 
Sp. 2. Lucanus Mearsii, Parry. 
Affinis preecedenti. Niger, mandibulis exsertis in medio uniden- 
tatis, apicibus late furcatis, dente parvo fere ad basin po- 
sito; elytris nigro-eneis, nitidis, et sub lente subtilissime punc- 
tulatis, capillisque flavis aspersis. Corpus infra nigro-zneum, 
capillisque luteis ornatum; femoribus tarsisque nigris, tiblis- 
que rubro-piceis. (Mas.) 
Long. corp. mandibulis inclusis, lin. 28, lat. lin. 8. 
Habitat circa Silhet. 
This beautiful species has been sent to me by Captain Parry 
for description; it is closely allied to the Lucanus lunifer of 
Hope, and is remarkable for having metallic elytra. Between 
the middle of its mandibles and the forked apex another denticle 
will be found in different specimens. I find that there are others 
which vary in size. It is named in honour of Captain Mears; the 
other sex is unknown to me. 
Sp. 3. Lucanus Platycephalus, Hope. 
Niger, mandibulis thorace parum longioribus, apicibus furcato- 
dentatis. Corpus antice latum, ultra oculos porrectum, de- 
pressum. Thorax transverso-quadratus, angulis posticis sub- 
