226 



clothed with hairs, which are thick or slightly clavate, and all 

 clothed with fine hairs. Cephalothorax small, triangular, 

 much longer than abdomen; crista reaching near end, enlarged 

 only at posterior end; one eye each side. Beak slender, 

 terminating in a recurved point each side ; palpi long and 

 rather slender, ending in a blunt claw, with about seven 

 teeth in a row before it, thumb of moderate length, not 

 swollen, with hairs of moderate length. Legs not very 

 slender; leg 1 rather longer than body, 4 about as long as 

 body, 2 much shorter; tarsus 1 as long as penultimate joint, 

 slightly swollen ; tarsus 4 nearly three-fourths as long as 

 penultimate joint ; tarsus 1 with dense line hairs, other 

 joints with scattered short bristles, which are minutely hairy. 

 Length, 1*3 to 1'5 mm. 



Hah. — Victoria: Lai Lai, with Polyrachis hexacantha; 

 Sea Lake and Ocean Grove, with Iridomyrmex iiitidiis. 



TROMBIDIIDAE. 



Trombidium aequalts, n. sp. 

 PL xxiii., fig. 1. 



Body about one and one-fourth times as long as broad, 

 broadest in front, broadly rounded behind. Legs short; 

 leg 1 longest, about equal to body, leg 4 a little shorter, legs 

 2 and 3 subequal and about as long as width of the body, 

 tarsus enlarged, but over three times as long as broad and 

 fully one-third longer than the preceding joint, tarsus 4 not 

 enlarged, equal to preceding joint. Palpi large and stout, 

 ending in a rather slender claw, and a cylindric thumb equal 

 to the claw, inner edge of claw fringed with teeth, the last of 

 which is heavier than the others. Cephalothorax with two 

 sessile eyes each side, close together, crista ending in a pair 

 of sensillae. Legs clothed with moderately long single hairs. 

 Body densely clothed with short erect hairs, those on cephalo- 

 thorax and tip of body often branched. Length, 1 mm. 



Hah. — New South Wales: Sydney, with Ponera lutea 

 (Lea collection). 



PARASITTDAE. 



Celaenopsis breviatus, n. sp. 

 PI. xxiii., fig. 7. 

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

 long as broad, broadest in middle. Dorsum with scattered 

 fine hairs; mouth-parts barely projecting in front of the body : 

 palpi short; legs very short, the fourth pair longest, and 

 these scarcely as long as width of body; leg 1 shorter and 

 weaker than the other pairs, ending in a few short simple 

 hairs, other legs with few short hairs. Sternal shield in 



