68 AUSTRALIAN OPILIONES 
S pinicrus stewarti n.sp. 
Figs. 11-16. 
Male. 
Colour. Cephalothoracie carapace dark-brown but pale-brown 
at the bases of the spieules and infused with white at each pos- 
terior corner. Abdomen above with a broad median dark-brown 
band extending to about two thirds, where the surface is silvery- 
white. Ventral surface of the abdomen and coxae dull-white, 
relieved by scattered patches of yellow-brown. Basal segment of 
the chelicera with a dark-brown patch on the distodorsal surface 
but otherwise yellow-brown. Second segment a darker brown but 
with a small white patch on the distal surface. Pedipalp banded 
with white and brown. Legs dark-brown but with several light- 
brown patches, 
Body. Eyemound spherical and with a row of from three to 
five strong spicules along each side of the median groove; set its 
own diameter from the anterior margin of the carapace. Cephalo- 
thoracic carapace armed with numerous spicules as in Fig. 16; 
sloping steeply down in front of the eyemound to the chelicera, 
where the anterior margin is entire. Abdomen smooth and soft; 
segmentation indicated by faint transverse grooves. Genital oper- 
culum widening distally and extending to the posterior margin 
of coxa I. Maxillary lobes of coxae II longer than wide in the 
ratio of 4:1, directed obliquely forward anterior to the genital 
operculum. 
Chelicerae. Finely spiculate (Fig. 16), basal segment not quite 
as long as second segment, the length of both segments being two 
and a half times that of the body. The inner surface of the fixed 
finger is armed with a strong triangular tooth at one third and a 
further similar tooth at two thirds; between these a strong 
median tooth on the inner surface of the movable finger fits when 
the fingers are closed. A comb of small black setae is present 
along the inner distal margin of the second segment. 
Pedipalps. Slender, apophyses absent, slightly longer than the 
length of the body; covered on all segments with short black setae, 
but otherwise smooth. Tarsal claw below with a single row of six 
sharp teeth restricted to the proximal half. 
Legs. Coxae smooth but for a sparse covering of short black 
setae. Trochanters I-IV with a bunch of sharp spines on the 
anterior surface. Femora I-IV strongly and evenly spined. 
Patella I covered with spines, those on the anterior surface being 
strongest. Remaining segments without spines. 
