90 THE VICTORIAN NATURALIST. 



DESCRIPTIONS OF SOME NEW SPECIES OF MALLO- 



PHAGA FROM AUSTRALIAN BIRDS. — Part IV. 



By S. a. Le Souef. 



(Communicated by D. Le Souef) 



{Read before the Field Naturalists'' Club of Victoria, llth August, 1902.) 



GoNOiDES RETRACTUS, found on Brown Quail, Synoecus australis- 



Elongate ; a chestnut line round the body ; head somewhat oval 

 and irregular, with a chestnut line running round the circumference, 

 darker posteriority ; clypeus semilunar; antenna rather small, third 

 joint hooked ; the temples have three prominent projections, 

 central one being the largest ; prothorax nearly quadrate, 

 narrowest anteriorly, rotundate posteriorly, separated from 

 metathorax by band of fascia, which is divided centrally ; meta- 

 thorax transverse, sides rotundate, concave anteriorly, surrounded 

 by a deep chestnut band, which is divided on the median line ; 

 legs pale, with a dark line on anterior femora and tibia ; abdomen 

 clavate, ending abruptly m a concavity, each segment having an 

 irregular dark line laterally, which is continued lightly towards the 

 median line, which is light chestnut. Length, 2 mm. ; width, 

 .90 mm. 



GoNOiDES LONGUS, found on Chestnut-bellied Quail, Excalfactoria 

 chinensis. 

 Very long ; a ferruginous margin round the body ; head longer 

 than broad, with a deep ferruginous margin ; clypeus semilunar, 

 with a tricoloured margin ; antenna small and filiform ; eyes pale, 

 small, and prominent ; prominent tubercle growing on the 

 temples, with two very long hairs on its summit; two smaller acute 

 points on each side of occiput, base sinuous ; prothorax nearly 

 quadrate, rotundate posteriorly, deep ferruginous margins ; meta- 

 thorax transverse, sides rotundate, deep ferruginous margins, 

 which are divided at the median line ; legs dark on anterior 

 femora and on anterior and posterior tibia ; abdomen very long 

 and clavate, bluntly serrated, and deep chestnut laterally, the 

 colour extending inwards in a broad reducing band, which is pale 

 in the first segment and meets in the last ; sixth segment broadest ; 

 median line pale. Length, 2.50 mm. ; width, .75 mm. 



Triniton NIGER, found on Black Swan, Chenopis atrata. 



Elongate ; black and shining abdomen, with pale sutures ; 

 head triangular, uniform brown, except clypeus, which is pale, 

 and black markings behind the eyes ; palpi small, with pale 

 sutures ; antenna small and pedunculate ; temporal lobes 

 rotundate, base truncate ; prothorax with a triangular black 

 mark in the centre, margins pale, with a projecting tubercle antero- 



