76 TREMATODES OF THE PACIFIC NORTHWEST 



Olor buccinator Richardson Trumpeter Swan 



Synonym : Cygnus buccinator 



Echinostomum revolutum 

 Orchipedum tracheicola 



Zygocotyle liinatum 



Order FALCONIFORMES 



Family FALCONIDAE 



Falco sparvcrius Linnaeus Sparrow Hawk 

 Athesmia jolliei 

 Brachylecithmn idahoensis 



Order GRUIFORMES 



Family RALLIDAE 



Fulica americana Gmelin American Coot 



Cyclocoelum vmtabilc 



Order CHARADRIIFORMES 



Family LARIDAE 



Larus argcnfatus Pontoppidan Herring Gull 



Gynino phallus dcliciosus 



Larus californicus Lawrence California Gull 



Calactosomum htonbargari 

 P scudo psilostonia ondatrac 



Larus canus Linnaeus Mew Gull 



Aporchis continuus 



Larus glaucecens Naumann Glaucous-winged Gull 

 Galactosoni hiimbargari 

 Gymnophallus dcliciosus 

 Cryptocotyle lingua 



Larus hcermanni Cassin Heermann's Gull 



Galactoso)iiujn hutnbargari 



Larus occidentalis Audubon Western Gull 



Gymnophallus dcliciosus 

 Parorchis acanthus 



Larus philadcphia (Ord) Bonaparte's Gull 



Galactoso)nu}n hwiibargari 



Larus sp. 



Stephanoprora sp. 

 A po phallus donicus 



