Mallophaga 7d 



Genus Ornithobius. 



Ornithobius goniopleurus Denny, 

 Anopjur. Brit. 1842, p. 184, PI. XX HI, f. 2. 



Two females from Hutchin's Goose, Branta canadensis hutchinsi (Richardson), 

 taken at Bernard harbour, Northwest Territories, in June, 1915. 



Recorded by several writers from Branta canadensis and other species of 

 geese and swans. 



Genus Esthiopterum. 



Esthiopterum anseris Linne, 

 Syst. Nat. 1758, p. 612. 



One female from a Hutchin's Goose. Branta canadensis hutchinsi (Richardson) , 

 taken at Bernard harbour, Northwest Territories, in June, 1915. 



Recorded by European and American writers (E. jejunum N.) from various 

 species of geese, including Branta canadensis. 



list of hosts with parasites. 



Birds — 



Stercorarius parasiticus (Linn.). 



Philopterus pustulosus Nitzsch. 

 Dajila acuta (Linn.). 



Trinoton querquedulae Linne. 

 Branta canadensis hutchinsi (Richardson). 



Trinoton anserinum Fabricius. 



Philopterus dentatus Scopoli. 



Ornithobius goniopleurus Denny. 



Esthiopterum anseris Linne. 

 Pisobia bairdi (Coues). 



Philopterus sp. 



Degeeriella complexiva Kell & Chap. 

 Lagopus lagopus (Linn.). 



Menopon striatum Kell. 



Goniodes mammillatus Rudow. 



Lipeurus protervus Kell. 

 Lagopus rupestris (Linn.) 



Menopon striatum Kell. 



Goniodes mammillatus Rudow. 



Lipeurus protervus Kell. 

 Asio flammeus (Pontoppidan). 



Philopterus cursor Nitzsch. 

 Nyctea nyctea (Linn.). 



Philopterus ceblebrachys Nitzsch. 

 Otocoris alpestris (Linn.). 



Menopon sp. 



Ricinus clypeatus Mjoberg. 



Philopterus sp. 

 Corvus corax principalis (Ridgway.) 



Myrsidea brunnea Nitzsch. 

 Plcctrophenax nivalis (Linn.). 



Philopterus subflavescens Geoffro}'. 



