80 



lie TEL IDES. 



Saulostomus. 

 I propose to substitute the name Saulostomus ( ?) coUaris 

 for Ane.urystypus coUaris, Blackb. The reasons for this 

 change will be found set forth below under the name ^i. 

 coUaris. 



DYNASTIDES. 



PSEUDORYCTES. 



P. monstrosus, Blackb. After an interval of fifteen 

 years a second specimen of this magnificent insect has come 

 before me, and has been presented to me by Mr. Frencli. It 

 was captured in the same region (North-West Australia) as 

 the type. There is an unfortunate lapsus calami in my note 

 following the description (Tr.R.S., S.A., 1895, p. 40). The 

 Latin diagnosis correctly indicates the colour of the head 

 elytra and pygidium as "black," but in the notes I have re- 

 ferred to the ''black head, prothorax, and pygidium." There- 

 fore the following correction is required (loc. cit., line 8): 

 for "prothorax" read "elytra." 



Aneurystypus. 

 A. coUaris, Blackb. I have acquired some specimens 

 taken at Eucla of the insect which I described under this 

 name. The original type had lost its claws, and now the 

 examination of these fresh specimens reveals the fact that 

 the claws are unequal and that therefore the species is a 

 Rutelid. Its resemblance to Atieurystyjms {('■(/■, A. calvus, 

 Blackb.) is really very remarkable, the claws being disre- 

 garded and also characters of the labium, etc., which are dif- 

 ficult to see without treatment that is undesirable in the 

 ■case of a unique specimen. Its divergence from Aneurystypus 

 in having its pronotum unarmed I referred to in describing 

 it. I think it must be regarded as representing an unde- 

 scribed Rutelid genus, but it is so close to Saulostomus that 

 it will perhaps be best to refer it to that genus provisionally. 

 Its tarsi are evidently longer and more slender than those of 

 .S. villosus, Waterh. (the type of the genus), but this appears 

 to be the case also in some species which have been attributed 

 to Saulostomus by Ohaus. I have dissected the mouth organs 

 of a specimen and find that the pointed apical part of its 

 labrum is bent down and concealed as in ,S'. viUo-vus, and the 

 apex of its labium is slightly produced in a very wide open 

 angle. This character is perhaps hardly sufficient to justify 

 a new generic name, and I do not find any other except that 

 of the tarsi already referred to. It is possible that the greatly 

 elongated flabellum of the antennae (considerably longer than 



