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table with blackbumi, from which it is at once distinguished 

 by the hind tibise, and by the abdominal carina being straight, 

 with its ends on the apex; whereas in bJackburni and 

 bryojiliagus the carina is distinctly curved and the ends are 

 not on the apex. 



Mandalotus blackmorei, Lea. 



The typical specimens of this species have the rostral 

 carina uncovered throughout; this is also the case with the 

 majority of numerous specimens subsequently taken at Sydney 

 by Mr. Carter, but a few have the carina uncovered only at 

 apex. 



Recently I obtained under a stone, near the beach at 

 Port MacDonnell (South Australia), eleven specimens that 

 appear to belong to the species, but differ in having the carina 

 normally quite concealed. These specimens also average a 

 trifle smaller than the others, but I cannot find distinctions 

 sufficient to warrant their specific separation. 



Mandalotus carteri, Lea. 

 This species was distinguished from sabulosus and 

 syclney en sis, in my former table, by the raised alternate 

 interstices of elytra. Additional specimens, however, denote 

 that these are sometimes so feebly elevated that they do not 

 appear to be higher than the others. The species occurs in 

 Victoria (Mounts Hotham and Buffalo) and South Australia 

 (Lucindale), as well as in New South Wales. 



Mandalotus niger, Lea, var. ( ?) 



A specimen from the Blue Mountains (Blackburn's col- 

 lection) differs from the previously described males of this 

 species in having the intercoxal process of the mesosternum 

 wider and truncate at tip; in the normal form the process 

 is intermediate between the laminated and pointed ones. In 

 simulator, whose prothorax, however, is very different, the 

 process is somewhat longer, but also truncate at tip. 



M. albonotatus, Lea. Hab. — Lucindale. 



M. arcuatus, Lea. Hab. — Nelson (Victoria). 



M. similis, Lea. Hab. — Mount Lofty, Murray Bridge, 

 Adelaide. 



M. arciferus, Lea. Hab. — Mount Gambier. 



Mandalotus latens, n. sp. 



$ . Black ; appendages, and sometimes the elytra and 

 abdomen, of a more or less dingy-red. Densely clothed with 

 muddy-brown scales, interspersed with decumbent setae. 



