West Aiistralian Coccidse,. 437 



9 , adult. Viewed from above, the body is usvially more or less 

 triangular in outline ; from the side it is seen to be thin and pointed 

 in front, and truncate and much inflated behind, with a decided keel 

 extending around the head and along each side, but not behind. 

 Abdomen intussuscepted, only the first two or three segments being 

 visible. The intussuscepted portion forming an ample pouch with a 

 comparatively small entrance, and extending inwards almost to the 

 cephalic region. Sexual orifice and anus situated at the back of the 

 pouch. Eggs deposited in the pouch, the young escaping when 

 hatched through the opening unaided by any maternal exertion. 

 Antennpe 10-jointed ; the basal joint wider than long ; tlie apical 

 the longest and slightest. Rostrum and mentum entirely absent. 

 Legs thick, the anterior pair not differing from the posterior. 



Larva red, oval ; abdomen rounded, the extremity truncate and 

 projecting slightly, and exhibiting a short anal tube ; there are 

 several strong spines and four fioriform pores in the anal region. 

 Legs ample ; tarsus longer than tibia ; coxa large ; claw simple. 

 Antenna3 of 6 joints, of which the apical and the basal are the 

 thickest, giving a constricted appearance ; apical joint oval and 

 wider than 3, 4, or 5 ; joints 1 and 2 stout and wide. Rostrum 

 ample. Mentum monomerous, spined. 



1. Galli'pa'ppus westtvoodii, Guerin-Meneville. (PI. XV, 

 figs. 3, 3 a) 



Adult 5 of the usual form of the genus, though not much inflated ; 

 bluntly rounded behind ; sides of the thoracic region parallel, those 

 of the head tapering acutely ; a distinct keel runs round the apex 

 and terminates on either side of the extremity. Legs ample and 

 stout, with strong, spine-like hairs ; tarsus curved, with a comb of 

 spines on the inner margin. Rostrum and mentum obsolete. 

 AntennjB 10-jointed. Epidermis mammillate. Colour dark purple, 

 with an obscure patch of chestnut on the last thoracic segment. 

 Opening of pouch ventral ; from the folds around it long glassy 

 filaments are secreted. Length one inch ; width one-half inch. 



$ purple. Antennas 10-jointed. Length of body 0'25 inch, 

 length of caudal brush 0"5 inch. (For full descriptions of § and 

 ^ Signoret's notes should be consulted.) 



The adult $s were found beneath the dead bark scales 

 of various Eucalypti. The ,^s are often captured on the 

 wing. 



2. Callipa2)2nis farinosus, sp. u. (PI. XV, figs. 1, 1 a, 1 li,l c.) 

 Adult 9 of the usual form and much inflated, being at times 



