Rev. F. W. Hope on some Nondescript Insects from Assam. 589 



if I am not mistaken in the species, there is a specimen in the Zoological 

 Society's Museum, labelled as inhabiting Sumatra. 



Spec. 3. LucANUs Spencii. 



Long. unc. 1, lin.9. Lat. lin. 6. 



Ater ; mandibulis exsertis basi robustis et unidentatis, apicibus furcatis. 



Caput antic^ depressum, posticfe convexum, disco punctidatum. Thorax glaber, 

 nitidus, sub lente subtilissimfe punctatus, lateribus subserratis. Elytra a 

 basi ad apicem gradatim attenuata, punctulis crebris per totum discum 

 impressis. Corpus mh-h. nigrum, pedibus concoloribus, tibiis quatuor 

 posterioribus medio unidentatis. 



This insect was unique in the collection of Dr. Cantor : it is named in 

 honour of Mr. Spence, tlie author of a valuable monograph on Choleva, pub- 

 lished in the Linnean Transactions, and of other important entomological 



works. 



Spec. 4. LucANus curvidens. 



Long. unc. 1, lin. 9. Lat. lin. 6|. 



Niger ; mandibulis exsertis intiis dente curvato valido fer^ ad basin posito. 



Caput vald^ depressum, dentibus binis antic^ prominentibus. Thorax glaber, 

 margine undique elevato. Elytra nigro-picea, striato-punctata, internfe 

 subtilissim^ punctulata, extern^ ad latera fortiter punctata et fer^ sca- 

 brosa. Corpus infra nigrum, pedibus concoloribus. Tibice medice uni- 

 spinosae ; posticce setosee. 



This remarkably depressed species of Lucanus was presented to me by 

 Lady Jones ; at present it may be considered as unique. 



Spec. 5. Lucanus bulbosus. 



Long. unc. 1, lin. 6. Lat. lin, 6. 



Nigro-castaneus ; mandibulis exsertis dentibus bulbosis armatis, apicibus 

 acutis. Tab. XL. fig. 2. 



Caput atrum, depressum, punctulatum. Thorax capite latior, castaneo-nigri- 

 canti inquinatus. Elytra concolora, thorace minora, ad apicem sensim 



4 H 2 



