Articles

 SCIENCE NEWS

Science 25 July 1930: 0.
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 THE ORIGIN, GROWTH AND SIGNIFICANCE OF THE MENTAL HYGIENE MOVEMENT

William A. White
Science 25 July 1930: 77-81.
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 PERIODICALS FOR ELECTRICAL ENGINEERS

J. K. Mcneely and C. D. Crosno
Science 25 July 1930: 81-84.
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 THE RAYLEIGH COLLECTION AT THE SOUTH KENSINGTON MUSEUM

Science 25 July 1930: 84.
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 THE NEW SCIENTIFIC LABORATORIES AT THE UNIVERSITY OF CHICAGO

Science 25 July 1930: 84-85.
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 SUMMER MEETING OF THE BOTANICAL SOCIETY OF AMERICA

Rodney H. True
Science 25 July 1930: 85.
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 FIRST AWARDS OF THE PACK FOREST EDUCATION BOARD

Science 25 July 1930: 85-86.
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 APPOINTMENTS IN THE U. S. GEOLOGICAL SURVEY

Science 25 July 1930: 86.
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 SCIENTIFIC NOTES AND NEWS

Science 25 July 1930: 86-89.
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 THE MAGNETIC POLES OF THE EARTH AND THE BIRTH OF THE MOON

Oliver Justin Lee
Science 25 July 1930: 89.
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 EFFECT OF WATER ON TRIBOELECTRIC LUMINESCENCE WITH MERCURY IN GLASS

Thomas S. Logan and Roger K. Taylor
Science 25 July 1930: 89-90.
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 GAS DISCHARGE WAVE-LENGTH LIST IN THE EXTREME ULTRA-VIOLET

Janet M. Macinnes and Joseph C. Boyce
Science 25 July 1930: 90.
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 MORE ABOUT A UNIFORM BIBLIOGRAPHIC SYSTEM

J. L. St. John
Science 25 July 1930: 90-91.
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 ATTACK BY A SCREECH-OWL

W. W. Chapman
Science 25 July 1930: 91.
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 MARMOSA AS A STOWAWAY AGAIN

G. E. Potter
Science 25 July 1930: 91.
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 THE PEKING SKULL

Science 25 July 1930: 92.
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 Titanotheres of Ancient Wyoming, Dakota and Nebraska

Alfred S. Romer
Science 25 July 1930: 92-95.
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 A SIMPLE METHOD FOR THE GERMINATION OF OOSPORES OF SCLEROSPORA GRAMINICOLA

Makoto Hiura
Science 25 July 1930: 95.
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 A PRACTICAL FLAGELLA AND CAPSULE STAIN FOR BACTERIA

Harry D. Bailey
Science 25 July 1930: 95-96.
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 AN ATTEMPT TO PRODUCE MUTATIONS BY THE USE OF ELECTRICITY

W. R. Horlacher
Science 25 July 1930: 96-97.
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 THE FECUNDITY OF THE OYSTER

Paul S. Galtsoff
Science 25 July 1930: 97-98.
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 THE OIL ABSORPTION OF SHELL EGGS

T. L. Swenson and H. H. Mottern
Science 25 July 1930: 98.
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