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CLASS 3 — Popular Science, Natural History 41
REEL NO. TITLE PRODUCER
405 The Heart and Circulation of the Blood Pathe
An excellent scientific subject showing the successive dilations and contractions of the auricles and ventricles; action of the heart of a mammal compared with that of a tortoise ; sections of the artery and vein and the circulation of the blood in various animals ; many scientific facts regarding the heart and the blood.
References : Handbook of Physiology. — Chap. 19-22. — Halliburton. The Body at Work, Chap. 9.— Alex. Hill. The Heart and Its Functions. The Every Day Help Series.
406 Insect Mimicry Pathe
Interesting biological subject illustrating nature's provision for the protection of various insects.
Example. — Ivy caterpillar resembles very closely the rootlets of the ivy leaf in size and coloring. Many other examples of insect mimicry well shown.
References : Colors of Animals. — E. B. Poulton. Darwinism. — A. R. Wallace. Zoonomia. — Erasmus Darwin.
430 The House-Fly Pathe
An excellent educational reel demonstrating the great menace of this insect to public health. A detailed description of the fly itself ; the hatching of the larva ; its food and means of transmitting germs.
References: The Life of the Fly. — Faber.
The House-Fly, Disease Carrier. — O. Howard.
433 X-Rays Pathe
A vitally interesting scientific reel explaining the Crooke's tube, the Wimshurst's machine, and a number of X-ray experiments. Some experiments of human radiography of the hand and wrist, elbow, and knee; movements of the frog as seen under the X-ray ; the use of the Ruhmkorff coil machine demonstrated in the examination of the human stomach.
References : The Roentgen Rays in Medicine and Surgery. — F. H. Williams. X-Rays ; How to produce and interpret them. — Harold Mowat. X-Rays and the Living Cell. — Colwell and Russ.
444 The Sacred Scarab Pathe
The scarab is a black and ugly beetle, scarcely the size of a finger joint.
It has admirable tools, for its head forms a large spade and its front legs make excellent rakes.
A close-up, magnified, shows the mouth and antennae; manner of feeding and conserving its food, and the remarkable perseverance in transporting it in balls to a secure hiding place.
References : Sacred Beetle. — John Ward. Scarabs. — P. E. Newberry.
445-a The Mosquito Pathe
The male and female of the specie; development from the larva stage to the mosquito. Methods of destroying the mosquito interestingly pictured.
References: Mosquito Life. — E. G. Mitchell.
Reduction of Domestic Mosquitoes. — E. H. Ross.