Contents g 



PAGE 



Minerals and Gems 62 



Biographical Sketch of Louis Pope Gratacap by Frederic A. Lucas . . 62 



Annual Report of Curator Gratacap 64 



Woods and Forestry 67 



Murals 67 



Exhibits 67 



Staff 68 



Existing Invertebrates 68 



Staff , 68 



Research and Publication 68 



Shell Collections 69 



General Invertebrate Collections 70 



Insects and Spiders 71 



Accessions 71 



Recent and Extinct Fishes; Existing Reptiles and Batrachians ... 72 



Fishes 72 



Fishes 72 



Study Collections 73 



Field Work 73 



Research and Publication 73 



Economic Ichthyology 74 



Reptiles and Amphibians 75 



Accessions and Exchanges 75 



Research and Publication 76 



Exhibition 77 



Mammals and Birds 80 



Accessions . 80 



Field Expeditions 81 



Study Collections . 83 



Installations 83 



Research and Publication 84 



Extinct Vertebrates 86 



New Dinosaur Exhibits 86 



Moropus Skeleton 87 



Fossil Camels 87 



Skeleton of a Glyptodont 87 



Mural Paintings 87 



A New Mastodon Skeleton 88 



The Oldest Tertiary Mammals 88 



Research Work - 88 



Existing and Extinct Races of Men 89 



Acquisitions 89 



Exhibition and Study Collections 90 



Habitat Groups and Murals 91 



