﻿of Lucanoid Coleoptera. 15 



nodosis irregulariter instructis, apicibus subfurcaiis; capite 

 magno, antice depresso, margine subelevato, angulis anticis 

 oblique rotundatis, et infra oculos spina magna obtusa in- 

 structo ; prothorace transverse, capite latiori, lateribus an- 

 tice obliquis, angulis posticis emarginatis ;. elytris subova- 

 libus, brunneo-testaceis, laevissimis, latitudine prothoracis, 

 marginibus externe suturaque tenuiter nigris ; tibiis anticis 

 curvatis, et prope apicem spina minuta armatis, quatuor 

 posticis inermibus. 

 Long. Corp. unc. 2, lin. 5 ; mandib. lin. 9. 

 Hab. Sumatra. Coll. Castelnau. 



For the opportunity of placing this magnificent new species of 

 Odontolabis, as well as the three preceding, in the present publi- 

 cation, I am indebted to Count Mniszech, who, through the kind- 

 ness of Count de Castelnau, was enabled to obtain the accompanying 

 faithful figures, executed by M. Migneaux. The above species 

 belongs to the section of Odontolabis having (like 0. bicolor, 0. 

 Dejeanii, and other species) the prothorax broad, with the sides 

 dilated, and the fore tibiae curved ; it is one of the largest species 

 of Lucanoid Coleoptera, and, when found with the mandibles fully 

 developed, must indeed be gigantic. It is dedicated to Count de 

 Castelnau, to whom Entomologists are much indebted for many 

 interesting novelties. 



Odontolabis striatus, $, $, H. Deyrolle, MS. 



A new and interesting species from Malacca, in the collection of 

 Count Mniszech, the description of which will appear in the Ann. 

 Soc. Ent. Fr. for 18G4. Both the $ and $ are strongly pubescent, 

 and in this respect the species assimilates somewhat to 0. Dahnani, 

 Hope ; but in its general form it approximates more nearly to 

 0. platynotus, Hope, with which I have for the present located it. 



Odontoiabis Brookeanus $, 5, Voll. Tijd. v. Ent. iv. 107, 

 tab. vi. fig. 1. (PI. VL fig. 5, var. max.) 



O. fuscus, nitidus ; elytris pallide testaceis, suturd teuui nigra ; 

 mandibulis dilatatis depressis, capite parum brevioribus, 

 arcuatis, interne denticulatis ; prothorace plaga nigra ma- 

 culato, angulis posticis valde emarginatis ; tibiis anticis 

 curvatis supra sulcatis, extus 2 aut 3 spinis minutis armatis, 

 quatuor posticis inermibus. 



(Var. max. $) differt mandibulis longioribus gracilibus falcatis 

 apicibus acutis, prope basin unideutatis et intus pone medium 



