SOME USES OF THE CAMERA IN ZOOLOGY. 447 



size picture of two young catbirds, large enough to fly, was similarly 

 obtained. Others in the collection represent vultures, hawks, owls, 

 many warblers, Carolina paroquet, woodpeckers, crows, thrushes, and 

 those of various other families and genera. 



One of the chief beauties of such pictures is that by the use of the 

 instantaneous shutter the operator secures a result with the subject 

 in some attitude that even the very best of zoological artists fail in. 



Fig. 2. — Long-eaked Owl. Subadult ; about one third natural size. Keprodueed from a 

 photograph of the hving specimen taken by Dr. Shufeldt. 



This is well exemplified in such birds as owls, and it is a fact long 

 known that such an accomplished ornithological artist as Wilson 

 complained in his work of the difficulty he experienced in even de- 

 picting these in conventional attitudes. Not so with the camera, 

 however, for with it the adroit manipulator of the instrument catches 

 them upon the sensitive plate in almost any posture he pleases. 

 Many of these taken by himself are to be found in the writer's col- 



