368 On the Coleopterous Genus Euxestus. 
deep, nearly twice as long as its distance from rayed dorsal. 
Anal III 8, rounded. Pectoral spine strong, nearly ? length 
of head, with strong serre on inner side only. Caudal 
peduncle as long as deep. Brown above and beneath; 
caudal yellowish, blackish on the outer rays. 
Total length 360 mm. 
Kilewa Bay. 
Holds an isolated position in the genus, but perhaps nearer 
to S. granulosus, Blgr., than to any other species. 
Named after M. G. Dhont-De Bie, who accompanied 
Dr. Stappers on his expedition. 
XLVI.—A Note on the Coleopterous Genus Kuxestus. 
By Gitpert J. Arrow. 
(Published by permission of the Trustees of the British Museum.) 
In a recent paper in this Magazine upon the African repre- 
sentatives of the Hrotylide (see p. 138 of the present 
volume) I sank Motschulsky’s genus Tritomidea as a synonym 
of the well-known and almost universally distributed 
Hu«estus. Although unable to decide with any degree of 
certainty upon the status of the three species from Ceylon 
and India placed by Motschulsky in Trztomidea, I ventured 
to express a belief that TZ. translucida, the only one of 
the three of which a formal description was given, would 
prove to be identical with the widespread Huwestus park, 
Woll. ‘At the time of writing, I had not examined the abun- 
dant series of these insects collected in Ceylon by Mr. George 
Lewis but, having since discovered these, I have been able 
to recognize two species which are evidently those called 
Tritomidea translucida and basalis by Motschulsky, and of 
these the second, and not the first, proves to be Luwestus 
parki, while 1. translucida is a well-marked species of the 
same genus previously unknown to me. It is larger and 
relatively broader than E. parkd and can generally be recog- 
nized at once by the occurrence of three rather inconstant 
blood-red patches placed in a triangle upon the elytra—one 
at the base of each and the third upon the suture. 
Motschulsky’s third form, Tritomddea oblonga (‘from the 
Indian continent’), is apparently very similar to the African 
species I have named Luwestus angustus. 
