179 
produced ; lateral margins narrowly reflexed, anterior half nar- 
rowly brown, posterior half as well as the whole of the meso- and 
meta-notum broadly yellow and coarsely impressed punctate, disk 
minutely impressed punctate, with two distinct small pits near 
the middle, a short ridge in front of the pits and various small 
smooth areas more or less rounded. Meso- and meta-notum similar, 
lateral lobes distinctly produced, and two shallow pits on either 
side anteriorly. Legs brown, cox bordered pale-yellow, femora 
pale at apex. Abdomen daull-blackish, very finely punctate, 
lateral margins very narrowly yellow, angles of segments 2-6 
acute, slightly produced, of segment 7 forming acute, triangular, 
flat, yellow spines, lateral margin bordered very narrowly with 
yellowish, an intramarginal row of oblong, smooth impressions, 
segments 7-8 narrowly exposed. Ventral segments bronzy- 
blackish, lateral and posterior margins pale-yellow to brownish- 
red.  Supra-anal lamina transverse, trapezoidal, hindmargin 
truncate, depressed medially, yellow, lateral margins concave, 
angles acute. Cerci broadly lanceolate, concave above, bordered 
yellow, much exceeding the lamina, apex shortly acuminate. 
Subgenital, lamina shiningly smooth, brown, broadly bordered 
with yellow, hindmargin broadly and rotundately emarginate. 
Styles stout, rather long, almost apically inserted. Collection 
S.A. Museum. 
Male. 
Length of body... ee oe host Ou, CITT: 
Length of pronotum ... ae ce ROE 
Width of pronotum .... ae Pi Rea een 
Width of abdomen See rs 
Habitat.—V ictoria (presented by C. French, Esq., F.L.S.) 
The species, of which there is a single male, resembles P. patula 
to a certain extent, but it is longer and narrower, and the genital 
appendages are very different, besides the difference in colour 
and markings. 
, 
(Page 83.) 
PLATYZOSTERIA MELANARIA, riches. 
Var: grandis, Sauss., Mel. Orth. IT., 109. 
“Thick, slender, black above, chestnut beneath. Antennz 
reddish, base brown. Supra-anal lamina exceeding the cerci, 
trigonal, apex emarginate, seven spines on either side. 
Length of body (female) a .. 43 mm. 
Length of pronotum ... nt oo 
Width of pronotum ... we sey a Ral eis 
Width of abdomen _... ae Bee ent 
Habitat.—Melbourne (Victoria). 
