200 Arthur M. Lea : 



twice as wide; sides rather strongly and evenly rounded, with small, 

 dense punctures, only partially concealed by clothing. Legs rather 

 long and stout; hind coxae moderately separated. Length, 2 mm. 



Hab. — Queensland; Mulgrave River (H. Hacker). 



A robust, densely pubescent species, allied to gracilis, but larger 

 and stouter, and elytra with dense and fairly distinct punctures. 

 Considerably stouter than carinatus, ninth joint of antennae 

 larger, and prothorax not carinated, etc. 



The second-eighth joints of antennae are of almost even width, 

 but gradually decrease in length, from slightly longer than wide 

 to moderately transverse, the ninth joint is somewhat smaller than 

 the tenth, and about twice as long and twice as wide as the eighth, 

 the eleventh is subconic'al, slightly wider and distinctly longer than 

 the tenth. 



Two rather dirty specimens from Brisbane, in the Macleay 

 Museum, probably belong to this species, but differ in having the 

 abdomen slightly less convex; the clothing also is somewhat sparser, 

 bTit this is probably due to abrasion. 



Scydmae7ius kingensis, Lea. 



Tasmanian specimens of this species have the longitudinal impres- 

 sion on each side of the suture, near the base more distinct than on 

 the type; so that conjoined they appear as a rather large depres- 

 sion, with the suture elevated in the middle of same. The antennae 

 were originally described as with the " last four (joints) forming 

 an elongate and loosely jointed club." Having had occasion to 

 examine many species recently, this now appears incorrect to me, 

 and the joints should be regarded as subcontinuous, and not form- 

 ing a club; a distinction readily apparent on examining numerous 

 species, whose antennae have the two, three, or four apical joints 

 conspicuously clavate. 



Scydniaenus gulosus. King. 



This species may be taken in abundance during floods on several 

 New South Wales rivers. There is also a specimen in the Macleay 

 Museum from South Australia, and two from Victoria. 



On most of the specimens the head and prothorax are of a deep 

 shining black, but two specimens in the Macleay Museum from 

 Sydney and Ash Island, and one in my own collection from 

 AVindsor, have the parts named not much darker than the elytra. 



The front tibiae are dilated only in the male. 



