383 
ON A NEW FAMILY AND FIVE NEW GENERA 
OF MALLOPHAGA. 
By LAUNCELOT HAREISON, B.Sc. 
Exhibition of 1851 Research Scholar of the University of Sydney. 
[From the Quick Laboratory, Cambridge.) 
(With Plates XXVI and XXVII and 3 Text-figures.) 
CONTENTS PAGE 
Introductory .383 
Sub-order Amblycera .385 
Family Menoponidae.385 
Genus Eomenopon nov. ...... 385 
Genus Machaerilaemus nov. ..... 389 
Sub-order Ischnocera .392 
Family Akidoproctidae nov..392 
Genus Heteroproctus nov. ...... 394 
Family Goniodidae.398 
Genus Ausirogoniodes nov. ...... 398 
Family -?.402 
Genus Psittaconirmus nov. ..... 402 
List of hosts with parasites ..... . i 406 
References.406 
Explanation of Plates ........ 407 
Introductory. 
The present paper comprises descriptions of five new species of 
Mallophaga, included in five new genera. 
One of these genera, Heteroproctus, has served to connect up three 
existing genera, Ornithobius, Akidoproctus, and Bothriometopus, the four 
forming a compact group for which I have estabhshed a new family, 
Akidoproctidae. 
This family is of interest, as it demonstrates the artificiahty of the 
