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

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No. 13. A GENERAL GUIDE TO THE AMERICAN MUSEUM OF NATURAL 

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No. 14. BIRDS' NESTS AND EGGS. By FRANK M. CHAPMAN. Associate 

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No. 15. PRIMITIVE ART. July, 1904. Price, 15 cents. 



No. 16. THE INSECT-GALLS OF THE VICINITY OF NEW YORK CITY. 

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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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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. 27 THE MALARIA MOSQUITO. By B. E. DAHLGREN, D. M. D. Assis- 

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