No. 12.— THE COLLECTION OF FOSSIL VERTEBRATES. By W. D. Mat- 

 thew, Ph. D., Associate Curator of Vertebrate Palaeontology. Octo- 

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A GENERAL GUIDE TO THE AMERICAN MUSEUM OF NATURAL 

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BIRDS' NESTS AND EGGS. By Frank M. Chapman. Associate 

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 February, 1905. Price, 10 cents. 



PRIMITIVE ART. July, 1904. Price, 15 cents. 



THE INSECT-GALLS OF THE VICINITY OF NEW YORK CITY. 

 By William Beutenmuller, Curator of Entomology. October, 1904. 

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(Reprinted from The American Museum Journal.) 



No. 17.— THE FOSSIL CARNIVORES, MARSUPIALS AND SMALL MAM- 

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No. 18.— THE MOUNTED SKELETON OF BRONTOSAURUS. By W. D. 

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No. 19.— THE REPTILES OF THE VICINITY OF NEW YORK CITY. By 

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 July, 1905. Price, 15 cents. 



No. 20.— THE BATRACHIANS OF THE VICINITY OF NEW YORK CITY. 

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No. 21.— THE DEVELOPMENT OF A MOLLUSK. By B. E. Dahlgren, 

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No. 22.— THE 'BIRDS OF THE VICINITY OF NEW YORK CITY. By Frank 

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No. 23.— THE SPONGE ALCOVE. By Roy W. Miner, Assistant Curator of 

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(Published as a separate series.) 



No. 24.— PERUVIAN MUMMIES. By Charles W. Mead, Department of Eth- 

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No. 25.— PIONEERS OF AMERICAN SCIENCE. Memorials of the naturalists 

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No. 26.— THE METEORITES IN THE FOYER OF THE AMERICAN MUSEUM 

 OF NATURAL HISTORY. By Edmund Otis Hovey, Ph.D., 

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No. 27.— THE MALARIA MOSQUITO. By B. E. Dahlgren, D. M. D. Assis- 

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No. 28.— THE HABITAT GROUPS OF NORTH AMERICAN BIRDS. By 

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