ERIC MJÖBERG, PTINID^. 11 



3. Ptimis sp. 



In my collecticns there is also a small rounded species 

 which does not seem to agree with any of those hitherto 

 described. It seems to have been covered by dense and thick, 

 yellowish-red pubescence; the prothorax seems to have two 

 elevated ridges in the middle. Very likely it represents a 

 new species, but on account on its abraded state I prefer 

 not to describe it. 



Geraldton, West-Australia, Oktober 1911. 



Fig. 3. Polyplocotes pilosus Mjöb. n. sp. 



4. Diplocotes foveicollis Oll. 



Olliff: Proc. Linn. Soc. N. S. W. X. 1886, p. 839. 



Numerous specimens taken under bark in the nest of 

 Iridomyrmex nitidus (v. queenslandiensis For.). Swan River, 

 W. Australia Aug. 1910. 



In the same nest I have taken the new Ectrephes, de- 

 scribed in the sequel, and also a species of the genus Nepharis. 



5 Polyplocotes pilosiis n. sp. (Textfig. 3.) 



Bright castaneous; head, antennse, prothorax and legs 

 dark; head very little visible from above, eyes fairly prominent; 

 antennse long and slender, much more reminiscent of the genus 

 Diplocotes than of any of the other described species of the 



