LIST OF PLATES 



Cosmogony (Jeans) : Pago 



Plates 1-3 178 



Island galaxies (Douglas) : 



Plates 1-5 200 



Astronomical telescopes (Pease) : 



Plates 1-7 212 



Cosmic rays (Millikan and Cameron) : 



Plate 1 218 



Continental displacement (Schuchert) : 



Plates 1^ 252 



Continental fragmentation (Barrell) : 



Plates 1-3 306 



The "Craters of the Moon " (Stearns) : 



Plates 1-4 314 



OldePt petrified forest (Goldring) : 



Plates 1-9 324 



Birds of the past (Wetmore) : 



Plates 1-11 390 



Mammalogy (Miller) : 



Plates 1-3 412 



"Missing links" (Miller) : 



Plates 1-5 446 



Migrations of whales (Kellogg) : 



Plate 1 472 



Plate 2 488 



Red squirrel (Klugh) : • 



Plates 1-5 524 



Naturalist in Ceylon (Wood) : 



Plates 1-6 540 



Communication among insects (Mclndoo) : 



Plate 1 544 



Insect instrumentalists (Allard) : 



Plates 1-16 592 



Neanderthal man (Hrdlicka) : 



Plates 1-4 622 



Indian costumes (Krieger) : 



Plates 1-12 634 



Plates 13-24 646 



Plates 25-36 656 



JMounds of the United States (Bushnell) : 



Plates 1-6 670 



Plates 7-12 678 



Ductless glands (Taylor) : 



Plates 1-6 714 



Arrhenius (Walker) : 



Plate 1 7in 



Richards (Baxter) : 



Plate 1 737 



vn 



