LIST OF VISUAL AIDS 



The visual materials listed below and on the following pages may be 

 used to supplement the subject matter of this book. We recommend, 

 however, that each film be reviewed before using in order to determine 

 its suitability for a particular class or group. 



Both motion pictures and filmstrips are included in this list of visual 

 materials, and the character of each one is indicated by the self-explana- 

 tory abbreviations "MP" or "FS." Immediately following this identi- 

 fication is the abbreviated name of the producer and distributor, given 

 in full with addresses at the end of the bibliography. 



Unless otherwise indicated, the motion pictures listed in this bibli- 

 ography are 16-mm. sound films and the filmstrips are 35 mm., silent. 



Alternation of Generations in Plants (FS, Macmillan, 52 fr). Shows how a fern, a 

 selaginella, and a flowering plant solve the problems of fertilization and dispersal by 

 an alternation of the sporophyte and gametophyte generations. 



The Amoeba (MP, UWF, 10 min). Shows by photomicrography and animated 

 drawings the structure and life of a single-celled organism. Contains the following 

 principal sequences: production of pseudopodia, amoeba pursuing and capturing prey, 

 process of ingestion, and reproduction by fission. 



Beginning of History (MP, IFB, 46 min). The prehistory of Great Britain, from the 

 ice age to the coming of the Romans. Produced for the British Ministry of Education 

 by the Crown Film Unit. 



Body Defenses against Disease (MP, EBF, 10 min). The body's three levels of 

 defense against infection — skin and mucous membranes, lymphatic system, and blood 

 circulatory system including liver and spleen. 



The Brain (MP, Brandon, 75 min, silent). Shows structure, cranial nerves, em- 

 bryonic development, ventricles, fissures and convolutions, cerebral hemispheres, etc. 

 Approved by the American College of Physicians and Surgeons. 



Cell Division (MP, Brice, 11 min). The living cell is shown by photomicrography 

 during a 21-hour division cycle. All parts of parent cell and daughter cells are identified. 



Cells and Their Functions (MP, Athena, 14 min). Shows by means of photomicrog- 

 raphy and time-lapse photography mitosis, beating cilia, blood cells engulfing bacteria, 

 and the proliferation and growth of cardiac and other tissue. 



Circulation (MP, UWF, 16 min). Animated diagrams of the human body and its 

 circulatory system; systemic and pulmonary circulation of the blood; functions of 

 heart, lungs, arteries, veins, and capillaries. 



Development of the Bird Embryo (MP, EBF, 14 min, silent). Development of chick 

 and wren embryos, showing by photomicrography the establishment of circulation, 

 action of the heart, and formation of yolk sac, amnion, and allantois. 



Development of a Frog (MP, OSU, 10 min). Shows through time-lapse photography 

 and photomicrography the cell division of a frog egg. 



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