466 Mr. F. P. Pascoc on some Australian Colydiida). 



Bothrideres merus. 



B. lutescens, subnitidus ; prothorace fortiter punctato, disco late depresso, 

 medio vix elevato ; elytris luteis. 



Hub. Melbourne. 



Luteous yellow, subnitid ; bead with crowded, oblong punctures ; 

 eyes black; protborax scarcely longer than broad, strongly punctured, 

 anterior angles scarcely produced, the disk with a large, broad, shallow 

 depression slightly raised posteriorly, with a smooth ovate point in the 

 centre ; elytra luteous, rather more glossy than the protborax, striate- 

 punctate, the punctures rather small, the alternate interstices slightly 

 raised ; body beneath reddish brown, coarsely punctured ; legs and 

 antenna) luteous brown. Length If line. 

 From Bothrideres musivus this species may be distinguished by its 



smaller size, paler and less glossy colour, and proportionally shorter 



and less coarsely punctured prothorax : in both the elytra are less 



deeply striated, the interstices near the suture being very obviously 



punctured. 



Bothrkleres lobatus. 



B. fulvo-luteus, subnitidus ; prothorace longitudinaliter corrugato, basi 

 bilobato, disco postice linea semilunar! impresso ; elytris sutura mar- 

 ginequo infuscatis. 



Hub. Sydney. 



Palo brownish yellow, subnitid; head sparingly punctured; pro- 

 tborax slightly convex, rather broader than long, finely corrugated 

 longitudinally, a very distinct semicircular impression posteriorly, 

 between which and the base are two small diverging lobes; elytra 

 sMghtly convex, the suture and lateral margins darker than the disk ; 

 body beneath pale brownish yellow, moderately punctured. Length 

 \\ line. 



The short and corrugated prothorax, with its two raised and 

 diverging lobes at the base, render this species easy of recognition. 



Bothrideres servus. 



B. fidvo-brunneus, subnitidus ; prothorace longitudinaliter corrugato, 

 postice linea subcurvata impresso, basi late sulcato ; elytris sutura 

 marginibusquo infuscatis. 



Hub. Melbourne. 



Light yellowish brown, slightly shining ; head and prothorax with 

 coarse punctures, more or less confluent in a longitudinal direction, 

 giving the intervals a corrugated appearance, the latter nearly equal in 

 length and breadth, its anterior angles rather prominent, the posterior 

 impressed line only slightly curved, no anterior impression, a broad 

 shallow groove at the base ; elytra with the suture and margins darker 

 'han the disk, stviate-punetate, the three lateral alternate interstices 



