(>4 BIOLOGICAL Sl'KYKY OF 



ESTHIOPTEEU M ll:i irison 



E. anskkis Linn. Occurs on geese. 



E. ardea Linn. Occurs on herons and bitterns. 



E. botaiiu Osb. On the American bittern. 



E. columbiae linn. On the pigeons. 



E. crassicorne Scop. Occurs on many ducks. 



E. INFUSCATUM Nitz. OcCUl'S Oil Woodcock. 



E. longicorne Piaget. On double-crested cormorant. 



E. luridum Nitz. On coots. 



E. macrocephalum Kcll. Occurs on night liavvk. 



E. MERGi-SERRATi DeGeer. Occurs on mergansers. 



E. sp. near pelagicum Denny. Two collections from Leach's 



petrel. 

 E. thoracicum Piaget. On bufflehead duck. 



Giebelia Kellogg 



G. mirabilis Kell. Occurs on many petrels. 



Order THYSANOPTERA. Thrips 



Aeolothripai: 

 Aeolothrips Uzel 

 A. fasciatus Linn. On ''Butter and egg*" 1 August. 



Thripidak 

 Frankliniella Karny 



F. tritici (Fitch). The northern flower thrips is very com- 

 mon here. 

 F. ftjsca (Hinds). Salisbury Cove, July 24. 



Tmrips Linnaeus 



T. tabac] Lindm. On "Five o'clock," .July 10; on Rubus 

 odorata Aug. 5. 



