235 



about one and one-fourth times as long as broad, broadest at 

 middle, tapering behind, reaching to hind margin of hind 

 •coxae, in front of it four bristles, venter without bristles; 

 anus nearly circular and about its length from the submar- 

 ginal line. Male genital aperture hardly circular, broader in 

 front between coxae 3, and nearly one and one-half times its 

 diameter from them. Length, "5 mm. 



II ah. — Tasmania: Latrobe, with Ectatomma metallicum. 



Uropoda dentifrons, n. sp. 

 PL xxviii., figs. 33, 34, and 36. 



Body short, subpyriform. slightly pointed in front, body 

 liardly one-fourth longer than broad, male genital aperture 

 between coxae 3 only a trifle nearer to the posterior than to 

 the anterior margin. Dorsum with scattered, rather long, 

 simple hairs ; a row of very short ones submarginal on the 

 lower edge of the body. Labial plate broad, divided in 

 middle, each lobe with several teeth on anterior margin. 

 Legs very short, stout, with few hairs except at tip, femora 

 1 and 2 of male with a large spur near inner base ; peritreme 

 beyond coxa 2 with a long outward band. In the female the 

 vnlva is about one-half to two-thirds of coxae 2 behind the 

 camercstome, its anterior edge at middle of coxae 2 ; a pair 

 of submedian hairs in this space and one each side at coxae 2 ; 

 vulva about one and one-half times as long as broad, broadly 

 rounded in front : behind it is truncate between coxae 4. 

 Length, *55 mm. . 



Hal).— Tasmania : Stanley. Victoria: Portland, with 

 Ectatom ma metallicum . 



Uropoda duplicata, n. sp. 

 PL xxix., fig. 38. 



Yellowish-brown. Body about one and one-fourth times as 

 long as broad, broadest in middle, rounded behind, in front 

 with a small median prominence : dorsum with scattered fine 

 hairs arising from hyaline dots : plate in front of coxae 1 with 

 outer outline truncate in front and an inner rounded portion; 

 female genital aperture one and one-fourth times as long as 

 broad, rather nearer hind than front margin, barely narrowed 

 behind, and reaching to hind margin of hind coxae, in front 

 close to camerostome, four hairs each side and four in front ; 

 few, if any, distinct hairs on venter ; anus more than its 

 length from the submarginal line : legs rather slender, front 

 tarsi with many hairs toward the tip, others with short 

 spines. Length, "55 mm. 



Rah. — New South Wales: Sydney, with Polyrachis 

 amnion. 



