INDEX TO ILLUSTRATIONS. 



VOLUME IV— REPORT SERIES. 



Opposite 

 Plate No. Page 



The Late Edwin Walker I 1 



White Pine Monograph II 12 



Group of Gorillas Ill 20 



Enlarged Flower Cluster of the Grape-fruit IV 28 



Miniature Tinguian Village V 38 



Skeletons of Gorillas VI 48 



Skeleton of Extinct Mammal VII 58 



Excavating Skull of Telmatherium VIII 70 



Group of Tinguian Iron Workers IX 80 



Model of Twenty Stamp Gold Mill X 86 



Male and Female Yellowish Chimpanzee XI 94 



Group of California Condors with Nest and Egg XII 100 



Group of Pelicans and Cormorants Breeding at Quill Lake XIII 100 



Group of Wild Turkeys XIV 100 



Group of Water Birds Breeding at Quill Lake XV 100 



Norman W. Harris XVI 101 



Collection of Paleozoic Sponges XVII 110 



The Papaw {Carica Papaya) of the American Tropics XVIII 118 



Miniature Reproduction of Life and Activities in Igorot Village, 



P. I XIX 126 



Habitat Group. Loon XX 133 



Model and Section of Modern Iron Blast Furnace XXI 138 



The Mangrove XXII 151 



Group of Igorot Pottery Makers. Samoki, P.I XXIII 160 



Group of American Antelope or Prong-Horn XXIV 166 



Fruit Cluster of the Ilang-Ilang XXV 170 



Habitat Group. Meadow Mice or Voles XXVI 176 



Flowering Branch of Lignum Vitae XXVII 178 



Habitat Group of Northern White-footed Mice. XXVIII 181 



Device for Exhibiting Petroleum Sands XXIX 182 



Watson F. Blair XXX 183 



Habitat Group. Sonora Grizzly Bear XXXI 188 



Chinese Stone Sculpture of T'ang Period (742 A.D.) of Tortoise 



Carrying Inscribed Tablet XXXII 194 



Model of Early Blast Furnace and Model of Catalian Forge XXXIII 202 



Life History of a Liverwort XXXIV 208 



Habitat Group. Whooping and Sandhill Cranes XXXV 218 



Aurantiaceae — Citrus Family XXXVI 226 



445 



6 



