70 RKVISION OF THE AMYCTEKIDES^ vi., 



ftiniele approximatfly en|ual; club stunt, not pedunculate. Protborax flat, an- 

 terior margin subtruncate above, ocular lobes absent; disc closely granulate, with 

 a tendency to radial arrangement; median line hardly impressed; sub-median 

 tubercles not distinct, with the exception of the basal and subbasal pairs; lateral 

 margins strongly convex, with four or five dentiform tubercles, the median con- 

 striction rather feeble. Elytra with punctures obscure; all the intei-stices with 

 rows of small gianules, suture with a pair of small conical gTanules at edge of 

 declivity; third and fifth with larger conical granules posteriorly, more or less 

 separate on the third; seventh also with slightly larger granules; humeral angle 

 with a row of small granules, extending backwards and obliquely outwards from 

 angle. Venter flat; moderately densely clothed with long decumbent setae, mostly 

 of a light yellowish-brown colour; j^unctures shallow, obscured by clothing. Legs 

 simple. 



9. Larger and broader, otherwise much as in male; venter convex. Dimen- 

 sions: <?. 12.5 X 5 mm. ; ?. 15 x 6 mm. 



Hah. — Soutli Australia: Adelaide, Mt. Lofty, Victor Harbour; Victoria: 

 Wandong Ra.. Macedon, R. Plenty. 



In general appearance this sjiecies closely resembles A. denticoUis, but may 

 be readily distinguished by the bidentate supraorbital crests, and by the simple 

 enterior tibiae. I am indebted to Mr. .T. E. Dixon for a series of Victorian 

 specimens. The tyi>e was examined by me when in London. 



AcAXTHOLOPHUs DEXTioOLLis MacL 

 Macleay, Trans. Ent. See. N.S. Wales, i., 1865, p. 282. 



c?. Size rather small; black, somewhat spareely covered with minute, muddy- 

 brown, subsquamose clothing. 



Head not distinctly concave in front, with three obscure ridges converging 

 on rostnim; head separated from rostrum by a distinct transverse groove; supra- 

 orbital crests single, continued back in line but at an obtuse angle with external 

 rostral margins, and ending abruptly. Rostnim with external rostral margins 

 raised, obtusely angulate in front and running back into supraorbital crests; 

 median line imjjressed ; internal ridges laised convergent to base but not meeting, 

 basal foveae elongate. Antennae moderately long, funicle with second joint 

 longer than first, club elongate, hardly pedunculate. Protliorax feebly convex 

 in middle, anterior margin not produced over head, ocular lobes absent; median 

 line rather shallowly impressed; disc closely set with round moderately large 

 granules, submedian tubercles hardly distinct from the discal granules, except for 

 one or two posteriorly; sides not gi-eatly explanate, tubercles rather obtuse, the 

 median the largest, with a smaller one conjoined anteriorly, the posterior slightly 

 smaller than the median and followed l)y two smaller dentiform tubercles, an 

 intermediate tubercle pi-esent between median and posterior, but on a lower level. 

 Elytra with punctures fairly definite, and granules little evident; suture with a 

 conjoined pair of granules on edge of declivity; with three rows of tubercles; 

 first row with 8, the basal tmes small and noduliforni, the last 2 — 3 larger and 

 somewliat obtusely conical; sec(md row with (5 — 7, nodulifonn tubercles, the la-st 

 3 obtusely conical; humeral angle with two small nodules; third row with 5 — 6 

 small nodulifonn tubercles, hardly more than mere granules. Venter flat, moder- 

 ately closely set with black decumbent rather short, stout setae. Legs: anterior 

 tibiae with deep subapical notcli; intermediate and posterior tibiae simple. 





