234 



Ubopoda bifbons, n. sp. 

 PL xxvii., fig. 30. 



Body nearly circular, a little longer than broad, a slight 

 protruberance in front ; legs very short, with few hairs, except 

 on tarsi, toward tip; femur 1 with a truncated cone tipped 

 with a hair on inner side near base (at base of the lamella), 

 femur 2 with a stout spine at base, hind tarsi with two small 

 teeth on inner side at and beyond middle. Labial plate 

 forming two large divergent plates, each pointed in front; 

 two small hairs in front of the plate. Male genital aperture 

 between coxae 3, plainly a little nearer the posterior than 

 to the anterior edge of the body. Anal aperture small, more 

 than its length in front of its margin. Ventral surface with 

 few scattered simple hairs ; the peritreme makes a strong 

 foot-shaped bend outward from coxa 2. The dorsum has 

 submedian rows of slightly clavate hairs, and a few others 

 toward the tip. Length, 1"2 mm. 



Hah. — Tasmania: Huon River and Launceston, with 

 Myrmecia pyrifortnis. 



Readily known by the shape of the labial plate. 



Ubopoda bilobata, n. sp. 

 PI. xxviii., fig. 31. 



Yellowish. Body about one and one-half times as long as 

 broad, narrowed in front, almost pointed, broadly rounded 

 behind; 4 orsum with scattered, long simple hairs; plate in 

 front of coxae 1 bilobed, and with a pair of submedian bristles 

 in front ; female genital aperture nearer to hind than to front 

 margin, about one and one-half times as long as broad, hardly 

 narrowed behind, where it is truncate, but not reaching hind 

 border of hind coxae ; in front but little separated from 

 camercstome ; no hairs on venter ; anus fully its length from 

 the submarginal line; legs very short and rather slender, 

 the tarsi with short spines, the front tarsi with hairs toward 

 the tip. Length, '6 mm. 



//ah.— New South Wales: Otford, with Stenam ma 

 longiceps. 



Ubopoda convexifbons, n. sp. 

 Pis. xxviii., fig. 37, and xxix., fig. 41. 



Pale yellow-brown. Body about one and one-third times 

 as long as broad, broadest behind middle, somewhat pro- 

 minent in front, broadly rounded behind; dorsum without 

 hairs : coxa 1 with three hairs in transverse row : in front of 

 coxae 1 is a broad semicircular plate with inrolled lateral 

 edges hiding the anterior tarsi; legs short, tarsus 1 with fine 

 hairs near tip, other tarsi witli short stout spines. Female 

 genital aperture a little nearer to hind than to front margin, 



