534 SUPPLEMENT 



nus ; the thorax large, broader than the body, with three 

 lobes anteriorly ; the posterior square ; the body very much 

 rounded. 



The species we have named Westwoodi. It is very smooth, 

 of a shining black. The habitat is unknown. The length 

 is twelve lines. 



The next genus we add, is Trictenotoma, with the follow- 

 ing characters. The antennae as long as the body, the first 

 joint club-shaped, the second very small, globose ; the third, 

 to the seventh, rather long and club-shaped, with the three 

 last joints small, pectinated. The mandibles rather short, 

 strong, with three small strong dentations ; the maxillary 

 palpi moderate, first joint very small, second the longest, 

 third rather shorter, the last large, sub-securiform ; the 

 labial palpi shorter, and shaped like the last ; the eyes reni- 

 form, the head rather square ; the thorax broader than long, 

 lobed anteriorly, the sides rounded ; the scutellum rather 

 triangular, with the anterior angles lobed, with the base of 

 the elytra broader than the tip, which is rounded. The pos- 

 terior tarsi with only three joints. 



The species we have named Childreni. It is black, with 

 the head, thorax, and elytra above, covered with a yellowish 

 down, and beneath with a whitish down ; the length is two 

 inches and two lines, and the specimen is from the Tanesserim 

 Coast in the East Indies. In the Collection of J. G. Chil- 

 dren, Esq. 



This insect was first made known by Mr. Westwood, in a 

 note published in the Zoological Journal, which follows, 

 and to which he has kindly added here some additional 

 remarks : — 



" Since the preceding observations upon a supposed con- 

 nection between the Lucanidae and Prionidas were penned, I 

 have casually examined a most interesting insect, contained 

 in the Rafflesian Cabinet, which serves most satisfactorily to 



