Mallophaga 7d 
Genus Ornithobius. 
' Ornithobius goniopleurus Denny, 
Anoplur. Brit. 1842, p. 184, PI. XXIII, 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 Amierican writers {E. jejunum N.) from various 
species of geese, including Branta canu,densis. 
list of hosts with parasites. 
Birds — 
Stercorarius parasiticus (Linn.). 
Philopterus pustulosus Nitzsch. 
Daj'ila acuta (Linn.). 
Trinoton querquedulae Linne. 
Branta canadensis hutchinsi (Richardson). 
Trinoton anserinum Fabricius. 
Philopterus dentatus Scopoli. 
Ornithobius goniopleurus Denny. 
Esthiopterum anseris Linne. 
Pisohia bairdi (Coues). 
Philopterus sp. 
Degeeriella complexiva Kell & Chap. 
Logo pus lagopus (Linn.). 
Menopon striatum Kell. 
Goniodes mammiUatus Rudow. 
Lipeurus protervus Kell. 
Lagopus rupestris (Linn.) 
Menopon striatum Kell. 
Goniodes mammiUatus Rudow. 
Lipeurus protervus Kell. 
Asia 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. 
Plectrophenax nivalis (Linn.). 
Philopterus subflavescens Geoffrey. 
