Mallophaga 7o 



Genus Ornithobius. 



Ornithobius goniopleurus Denny, 

 Anoplur. Brit. 1842, p. 184, PL XXIII, f. 2. 



Two females from Hutchin's Goose, Branta canadensis hutch / n *> i Kirh;inl-<ii . 

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



Recorded by several writers from Branta canadensis and other sprrics nt' 

 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. 

 Dafila 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 cor ax principalis (Ridgway.) 



Myrsidea brunnea Nitzsch. 

 Plectrophenax nivalis (Linn.). 



Philopterus subflavescens Geoffrey. 



