126 



In almost all the species hereafter descrihed, the male p\go- 

 plior is hriefly descrihed, l)Ut the figures should also be referred 

 to. In connection with both descriptions and figures, it must be 

 renuMnhcrcd that the pygoplior is not always, or even often, 

 straightly truncate apically, that the different pieces do not 

 necessarily lie in the same ]jlane, and, moreover, that they are 

 partly mobile. Conse(|ucntlv when comparing with suspected 

 specimens, the latter should be carefully examined from several 

 points of view. The figures have almost all been drawn when 

 the genital styles, usually the most im])Oirtant part, are as flat 

 to the eye, as possible. 



(b) Female ( Genitalia. 



1 have not speciall)- studied these, and have not used them 

 in the descriptions, but they appear to present slight specific dif- 

 ferences in the lengths of the segments. 



The Australo-Fijian (ienera may be disposed as follows:- 



I Tibial spur aw 1-shaped, with concave sides, and on^ (apical ) J 

 s])ine (2) 



la Tibial s])iu- bilaminate, or at least tectiform, with several 

 feeble s] lines on the lower edge (3 ) 



lb Tibial spur subcultrate, solid, elongate, strong! v compress- 

 ed with (S strong s])ines 3 Protcrosydnc 



2 .Antennae \er\- long, second segment one half longer than 

 the first, frontal keels luiiting about the middle of the 

 frons 1 Ugyops 



2a Antennae shorter, with the second segment 3 times longer 

 than the first, frontal keels imiting close to the base of 

 the frons 2 Melanesia 



3 Antennae cylindric : male ]ivgophor not spined <^<n the ven- 



tral margin (4) 



3a l'"irst segment of antennae flattened and nnich widened ai)i- 

 call\- : male ])}"go])hor with 2 spines on the ventral margin 

 7 PcrkinsicJla 



4 b'rcMis \\ith 2 outwardK- rounded keels, uniting at base and 



a]x^x (if at alH 4 Crioiiiorphiis 



4a I'Tons with 2 keels uniting n(^t apical of the knver margin 

 of the eyes (5) 



5 Head dorsally at least twice as long as wide (6) 



5a Head dorsally less than twice as long as wide (8) 



6 Tlind margin of head sinuate 8 Sfciiocraniis 



6a Hind margin of head truncate (7) 



