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 zoölogical artists fail in.
Fig. 2.—Long-eared Owl. Subadult; about one third natural size. Reproduced from a photograph of the living 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 depicting 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-
