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NATURAL SCIENCE
'1000 and One"
GROUP 91 MICROSCOPIC LIFE Mic oscopic Life
An Aquarium in a Wine Glass (1) Shows a tuft of hay in a wine glass of water which becomes an aquarium. (3)
Getting Acquainted with Bacteria (1) Essential facts; three typical shapes; how they are grown and handled in the laboratory, (131)
How Life Begins (4) Microscopic biological study of plants and animals; filmed by George E. Stone. (27, 35, 49, 77) Part I — How Life begins in protozoan, yeast plant, geraniums, sweet
peas.
Part II — How Life begins in sea-urchin ; life story of swallow-tail butterfly.
Part III — Life story of frog.
Part IV — Life story of chick and white rat. Life Functions of Animals No. 1 (1) Biological study of amoeba. (164) Life Functions of Animals No. 2 (2) Biological study of the hvdra.
(164)
Microscope and Beyond (1) Protozoa and algae viewed under microscope. (49)
Microscopic Revelations (^i each) Cells of starfish in action; how daphnia, hydra and volvox feed and' multiply ; blood composition and circulation, chick embryo, frog's skin, human blood, etc. (•20i
Seeing the Unseen (1) Study of minute organisms, under the direction of the American Museum of Natural History. (54)
Wonders of the Unseen World (%) Studies of dragon fly and its larvae; water beetles, etc. (#20)
A World Unseen (1) Organisms under the microscope. (A* 18, A* 144)
(See also Groups 20, 96, 105)
GROUP 92 BIRDS Large Birds
Bird Cliff Dwellers (%) Nestling gulls learning to walk; colonies of
cormorants. (164) Birds of Prey (1) Sparrows, hawks, condor, eagle. (#109) The Buzzard (1) Study of its habits. (9 20, 164)
Canadian Whistling Swan on Chesapeake Bay (1) History and habits.
(84)
Feathered Aviators (1) Whooper— swan, spur-winged geese of South America, the eagle, etc. (35, 36)
Tlie Golden Eagle (1) Parents caring for young and young birds leaving nest. (3, 67) Kings of the Air (1) Nest of the eagle. (A* 18, A#!44) Pheasant Raising at Wilbraham, Mass. (1) Game preserves. (164) Pirates of the Air (1) Owls, eagles and vultures. («49, 35, 36, 72) The Sparrow Hawk (1) Life history and habits. (#20, 164) The Stork (1) Rearing of stork family. (A* 18, A© 144) A Study in Pelicans (%) Nesting season on Pelican Island. (164) The White Owl (1) History and habits. C20, 164)
(See also Groups 94, 96, 119)
GROUP 93 Small Birds
Baby Songbirds at Mealtime (1) Nesting and feeding habits of birds
of finch and sparrow families chiefly. (•109> Cuckoo's Secret (1) Life history; how it lays eggs in other birds'
nests ; how young are raised ; how cuckoo wrecks home of its parents.
(•20)
Hummingbird (1) Tiny mother bird with two diminutive eggs; her care and protection of wee ones. (49)
Pigeons in Flight (1) Study of flight, movement reduced two hundred times. (#23)
The Rook (1) How it builds its nest, rears young, and kills off pests which feed on farmers' crops. (#20, 164)
Song Birds as Citizens (1) Various kinds of birds with suggestions for their preservation. (©20)
(See also Groups 94, 96, 119)
Symbols and reference-numbers are explained on page 3.