THE MOUNT DESERT REGION .")!) 



C. quadrimactjlatum Carr. Infests red crossbill. 



C. SUBAEQTJAL.E Nitz. Infests CI'OWS. 



C. subpachygaster Piaget. Occurs on great horned owl. 

 C. subpustulatum Carr. & Shull. Described from king- 

 fisher. 



C. turbixatum Denny. Occurs on pigeons. 



Myrsidea Waterston 



M. Americana Kell. On common crow. 



M. crassipes Piaget. Occurs on Baltimore oriole. 



M. ctjcullaris Nitz. On the starling'. 



M. dissimilis Kell. On tree and barn swallows. 



M. gonophaea Nitz. Occurs on the raven. 



M. ixcerta Kell. Occurs on various passerines. 



M. interrupta Osb. Found on common crow. 



M. melanorum Kell. Described from towhee. 



M. major Piaget. Described from snowflake. 



M. subaequalis Lyonet. Infests crows and hawks. 



Tetrophthalmus Grosse 



T. incompositus Kell & Chap. On double crested cormorant. 



DENNYUS Neumann 



D. dubius Kell. Described from chimney swift. 

 D. TRUNCATus Olfers. Also from chimney swift. 



Trinoton Nitzsch 



T. lituratum Xitz. On merganser and other waterfowl. 



T. minus Osb. Described from scooter. 



T. querquedulae Linn. On domestic duck and also wild. 



Pseidomenopox Mjoberg 



P. pacificum Kell. Found on grebes and coot. 

 P. tridens. Record of capture lost. 



