Contents 



Reports of the Departments 46 



Public Education-^Department of Public Education 46 



Museum Extension to the Schools 46 



Proposed Local Lecture Centers 46 



Loan System of Slides 47 



Branch Teaching Museums 47 



Lecture Center at Washington Irving High School 48 



The Circulating Nature Study Collections 48 



Statistics Relating to the Circulating Collections 49 



Cooperation with the Libraries 49 



Lectures to School Children. = 49 



General Lectures 50 



Education for the Blind , 50 



Instruction within the Museum 52 



Reference Photographs and Negatives 53 



Changes in Staff 53 



Geology and Extinct Invertebrates — Department of Geology and Invertebrate 



Palaeontology 54 



Important Acquisitions and Acknowledgments 54 



New Meteorites 54 



Crocker Land Expedition 55 



Oklahoma Survey 56 



Wey er's Cave 56 



Copper Queen Mine Model 56 



Exhibition Collections 57 



Collection on Deposit 57 



Study Collections 57 



Research Work. 58 



Publications 58 



Changes in Staff 58 



Minerals — Department of Mineralogy 59 



Accessions 59 



Existing Invertebrates — Department of Invertebrate Zoology 60 



Porto Rico Survey 60 



Shell Collections 61 



Invertebrates in General 61 



Insects and Spiders 62 



Changes in Staff, 62 



Accessions 62 



Recent and Extinct Fishes — Existing Reptiles and Batrachians — Department of 



Ichthyology and Herpetology 63 



Changes in Staff 63 



Fishes. 63 



Accessions and Acknowledgments 63 



Devilfish Expedition 64 



Deep-sea Group and Other Exhibits 64 



Study Collections and Researches 65 



Bibliography of Fishes 65 



Reptiles and Batrachians 65 



Accessions 65 



New Exhibits 66 



Study Collection 66 



Mammals and Birds — Department of Mammalogy and Ornithology 67 



Acquisitions and Acknowledgments 67 



Expeditions 67 



Collections on Deposit 68 



Installations and New Exhibits 68 



Study Collections : 69 



Research Work and Publications » 69 



Extinct Vertebrates — Department of Vertebrate Palaeontology 70 



Broom Collection 70 



Collection on Deposit 70 



Exchanges 70 



Field Expeditions 70 



New Exhibits and Study Collections 71 



Evolution of the Horse ■ 72 



Study Collections 73 



Researches 73 



Publications 73 



Existing and Extinct Races of Men — Department of Anthropology 73 



Gifts 73 



Collections on Deposit 74 



Exhibition „ 74 



Cooperation with Investigators 75 



Research 75 



Expeditions 75 



*• 



