NEW MALLOPIIAGA. 



57 



Merganser senator. 



Docophorus ict erodes. 



Lipeurus temporalis, 

 squalidus. 

 Merganser americanus. 



Lipeurus squalidus. 



Trinoton luridum. 

 lituratum. 

 A nas boscas. 



Docophorus icterodes. 



Trinoton luridum. 

 lituratum. 

 Anas americana. 



Trinoton luridum. 

 Anas carolinensis. 



Trinoton luridum. 

 Spatula clypeata. 



Trinoton luridum. 

 Dafila acuta. 



Docophorus icterodes. 



Trinoton luridum. 



lituratum ( ? 

 Aytliya americana. 



Docophorus icterodes. 

 Aythya affinis. 



Docophorus icterodes. 

 Charitonetta albeola. 



Lipeurus squalidus. 



Oidemia deglandi. 



Docophorus icterodes. 

 ( tidemia perspicillata. 



Docophorus icterodes. 



Lipeurus constrictus. 

 Erismatura rubida. 



Docophorus icterodes. 

 pertusus. 



Trinoton luridum. 

 Ardea egretta. 



Colpocephalam laticeps. 

 Fulica americana. 



Docophorus pertusus. 



Lipeurus picturatus. 

 lon^ipilus. 



Oncophorus advena. 



Laemobothrium atrum. 



Menopontriileus var.paciticuin. 

 Recurvirostra americana . 



Nirmus signatus. 

 pileus. 



Coipocephalum uniforme. 



Menopon indistinctum. 

 Charadrius squatarola. 



Docophorus fuliginosus. 

 Charadrius dominicus. 



Nirmus orarius. 



Coipocephalum timidum. 



Position among Insects. 



What the position of the Mallophaga among insects is, 

 is still a moot question, as indeed, strictly speaking, is the 

 position of any one of the groups. The Mallophaga by 

 reason of their habits have been constantly associated in 

 entomological literature with the Pediculidae. It is hardly 

 worth while here to trace the Mallophaga in their tortuous 

 path through the various schemes of insect classification 

 from the times of Redi to the present day. It has not 

 been until comparatively recent years that the facts of 

 structure and life history upon which the classification of 

 any group depends were known in the case of the Mallo- 



