NEW MALLOPHAGA, II,— FROM LAND BIRDS; TO- 

 GETHER WITH AN ACCOUNT OF THE MAL- 

 LOPHAGOUS MOUTH-PARTS. 



(With Plates lx-lxxiii.) 

 BY VERNON L. KELLOGG. 



CONTENTS. 



The Mouth-parts of the Mailophaga. 



Introduction. 



The Mouth-parls of Ancistrona gigas. 



The Mouth-parts of Lsemobothrium sp. 



The Mouth-parts of Eurymetopus taurus. 



The Mouth-parts of Goniodes cervinicornis. 



Resume. 

 The Mouth-parts of Some Allied Insects. 



The Mouth-parts of the Termitidas and the Perlidee. 



The Mouth-parts of the Psocidre. 



Comparison and Conclusions. 

 Descriptions of New Species, and Identifications of Old Species. 



Docophorus. 



Nirmus. 



Lipeurus. 



Goniodes. 



Goniocotes. 



Physostomum. 



Colpocephalum . 



Menopon. 



Nitzschia. 

 List of Hosts, with Parasites. 



Notes on Distribution. 



List. 



The Mouth-Parts of the Mallophaga. 



The mouth-parts of the Mallophaga are of the biting 

 Orthoptero-Neuropterous type; that is, they are of that 

 generalized kind of insectean mouth-parts in which there 

 are free, strong, laterally working mandibles, free jaw- 

 like maxillae composed of distinct basal sclerites, articu- 



I'noc. Cal. Acad. Sol., 2d Ser., Vol. VI. November 7, 1896. 



