Alaska Bird Trails: Adventures of an Expedition by Dog Sled to the Delta of the Yukon River This work discusses the fossils

This work discusses the fossils of Homo erectus from Ngandong and Zhoukoudian and compares these to other fossil human remains and to the anthropoid apes

Very small circular stamp at the base of the title page (not intelligible)

Pyrenomycetes are also known as Sordariomycetes is from the Greek “the stone of a fruit” - because of the usually somewhat tough texture of their tissue (from Wiki)

91 color plates

and colored glass

Alaska Bird Trails: Adventures of an Expedition by Dog Sled to the Delta of the Yukon River This work discusses the fossilsPp. xviii, 464, 12 color plates by Allan Brooks and E. Kalmbach, 51 photos and pen and ink sketches. Publisher's decorated brown cloth with flying bird in gilt on front cover and a gilt title on the spine, pictorial dust jacket with an owl and a dog sled on the front cover, lg 8vo. Records an expedition by dogsled to the delta of the Yukon River to document the local avifauna. Bookplate of Frederick L. Ott on the front endpaper. Name stamp of the Ron