204 Mr. W. W. Saunders’s Descriptions 
case Brachycaulus having the priority must replace the former. 
Monsieur Fermaire describes the antenne as being “ en scie dans 
la derniére partie de leur longueur,” a character I have been 
unable to detect, and which, combined with other differences, 
makes me hesitate to apply the name of Brachycaulus to the spe- 
cies I am about to describe. 
* 
Sp. 1. Onchosoma Eningui, W. W. S. 
Head dark amber brown, rugose, with minute rounded ele- 
vations, interspersed with a few sandy hairs; mouth rufous. 
Antenne rufous brown. Eyes black. Thorax with the lateral 
margins strongly crenate, having two elevated protuberances on 
the upper surface, one on each side of the central line, each pro- 
tuberance with a fovea on the external side; dark amber brown, 
with a black round spot margined with dull yellow in each fovea. 
Scutellum subquadrate, narrowed behind, dark amber brown, 
clothed with whitish adpressed hairs. Elytra rugose, with rounded 
elevations and deep punctures interspersed with whitish hairs, 
having a row of small protuberances at the base parallel with the 
thorax; dark amber brown, with the hinder half dull ochre, 
punctured with brown, and with six or seven elevated lumps of 
the same colour near the apex, leaving an oblique fascia pointing 
forwards about the middle. Under side of body chesnut brown, 
minutely furrowed longitudinally, and having an orange spot 
between the insertion of the hinder legs. Legs robust, dark 
chesnut brown, regularly punctured. Tarsi reddish brown. 
Length 523, inch. 
Native of Van Diemen’s Land. 
In the Cabinets of J. O. Westwood, Esq., and Capt. Parry. 
The first specimens of this species which were sent to this 
country were taken in Van Diemen’s Land by Mr. Ewing, after 
whom I have named the species. 
Sp. 2. Onchosoma dorsalis, W. W.S. (Pl. XV. fig. 3, and details.) 
Head dark amber brown, deeply punctured; mouth light 
chesnut. Antenne light rufous brown, with the enlarged joints 
somewhat darker. Eyes black. Thorax covered with minute 
rounded elevations, with the lateral margins strongly dentate, and 
having two elevated protuberances on the upper surface, one on 
each side of the central line, black, with the lateral margins, an 
indistinct band along the front, and a short band from the apex of 
each protuberance to the posterior margin, dull rufous. Scu- 
