(i"J BIOLOGICAL SURVEY OF 



I'. migratobh Peters. On the robin. 



I*, mirinotatus Kt'll. cv. Chap. On the junco. 



P. monachus Kell. & Paine. Described from rail. 



P. nakviis Giebel. .On the golden eagle. 



I*, xidii'ks Piaget. On the barn owl. 



P. plattsomus Nitz. Found on sharp shinned and other 



hawks. 

 P. pbocax Kell. & Chap. Occurs on guillemot. 

 1\ pustulosus Xitz. Occurs on parasitic jaeger. 



P. QUADRATICEPS Kell. OcCUl*S Oil COOt. 



P. quiscali Osb. On the crows. 



P. regtjli Denny. On kinglets. 



P. rostratus Xitz. Described from bluebird. 



P. sialis Osb. Infests bluebirds as name indicates. 



P. subflavescens Geof. On many perching birds. From a 



purple finch and white-throated sparrow (Br.). 

 P. superciliosis Nitz. Eecorded from downy and other 



woodpeckers. 

 P. symii Pack. On the barred owl. 

 T. taurocephalus Kell. Eastern redtailed and rough-legged 



hawks. 

 P. temporalus Giebel. On many shore birds. 

 P. traxspositus Kell. Occurs on the cowbird. 

 P. sp. From the ruffed grouse. 



Degeeriella Neumann 



D. actophila Kell. & ('hap. Described from sanderling. 



D. alcae Denny. Occurs on the dovkie. 



D. amblys Kell. Described from bald eagle. 



D. Americana Kell. & Chap. Found on grebes. 



I), bicolor Piaget. Found on cedar waxwing. 



D. brachythorax Giebel. Same as above. 



D. cedorum Piaget. Same as above. 



I), complexiva Kell. & Chap. Found on sanderling. 



D. cyclothorax Nitz. Infests English sparrow. 



D. uiscocephala Xitz. Occurs on bald eagle. 



I), domestica Kell. & Chap. Described from barn swallow. 



