THE HABITAT GROUPS OF NORTH AMERICAN BIRDS. By Frank M. 

 Chapman, Curator of Ornithology. January, 1921. Price, 25 cents. 



These celebrated groups are designed to illustrate not only the habits 



but also the haunts, or habitats, of the species shown. The backgrounds 



are careful studies from nature and each represents some definite locality. 



Twenty-two of these groups are shown in this leaflet. 



THE EVOLUTION OF THE HORSE. By W. D. Matthew, Ph.D., Curator, 



Department of Vertebrate Palaeontology. 03 pages, 39 illustrations. Price, 25 



cents. 



The past geologic history of the Horse affords the most complete and 



convincing illustration of evolution among mammals. This leaflet, based 



upon material in this Museum, describes the successive stages in its evolution 



from the four-toed "Eohippits no bigger than a fox" to the single-toed horse 



of to-day. 



THE INDIANS OF MANHATTAN ISLAND AND VICINITY. By Alanson 



Skinner, Assistant Curator, Department of Anthropology. April, 1915. 



Price, 20 cents. 



HOW TO COLLECT AND PRESERVE INSECTS. By Frank E. Lutz. Price, 



10 cents. 

 OUR COMMON BUTTERFLIES. By Frank E. Lutz and F. E. Watson. 



Describes and figures natural size about 40 species of our more common 

 butterflies. Price, 15 cents. 



GUIDE TO THE COLLECTIONS 



ILLUSTRATED 



New Edition issued February, 1921, 135 pages, 



65 illustrations, many full pages. Price 40 cents. 



These publications may be purchased in the Visitors* Room, near the 

 entrance, from the Attendants or from the Librarian. 



