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doptera, I mean to give an account of on some other occasion, Mr. 

 Humphreys having obligingly permitted me to do so. The gentleman 

 who sent them was devotedly attached to the study of nature, and gave 

 promise of excelling in Entomology, but he has fallen a victim on those 

 ungenial shores, so characteristically named in some parts, " the white 

 man's grave." To a beautiful Lepidopterous insect in the collection, 

 I mean to assign his name, as a small tribute to one who hazarded his 

 life in the service of his country, and who well merits the honour I 

 hope to pay him, from the love he displayed for our favourite science. 



The insect I describe is not far removed from the Plataspis cocci- 

 formis of Hope's Catalogue, coming in the 2nd section of Thyreocoris, 

 as laid down by Burmeister and Germar, the section named by La- 

 porte Platycephala, which name, on account of its being preoccupied 

 in Entomology, has been altered by the secretary of the Entomologi- 

 cal Society, to Plataspis. I purpose drawing up for the ' Entomolo- 

 gist' a synoptic account of such species of Plataspis, Coptosoma, and 

 allied subgenera, as I can find in the London collections. I am now 

 inclined to think that the raven- coloured Javanese insect, of which I 

 some time ago gave a description and rude outline in the ' Magazine 

 of Natural History,' will form a distinct subgenus, as I intimated at 

 the time. Perhaps the following will also constitute another subgenus, 

 prominently marked by the singular structure of the head. I believe, 

 from the notched scutellum, that it is a female, but have not further 

 means of ascertaining this, as the posterior segment of the body is 

 wanting. 



Genus. — Plataspis, Westwood. 



Plataspis Bucephalus. Fuscescenti-flava, nigro punctata et ver- 

 miculata; scutello basi medio 5 lineas radiatas nigi*as emitten- 

 te, ad marginem obsolctas, infra cinerea, pedibus totis flavis, 

 abdominisque lateribus flavo maculatis. (Corp. long. 6 lin. lat. 

 4i lin.) 



Inhabits the western coast of Africa, near the Fort 

 of Accra. Mr. Humphreys has presented the speci- 

 men, in Mr. Ridley's name, to the cabinet of the British 

 Museum. The whole of the upper part is of a dusky 

 ( ^ yellow, much spotted and marked with black ; all the 



"^ black parts have impressed dots. The yellow surface 

 I quite smooth. The head at the sides in front is horned ; 

 ^ the anterior margin is subsemicircularly incised ; the 



(/ 



