Vol. 22 No. 2 (1938)

Published April 1, 1938

https://doi.org/10.46429/jaupr.v22i2

Vol. 22, No. 2, April 1938

Articles

J. H. Axtmayer, C. F. Asenjo, D. H. Cook

95-121

THE NUTRITIVE VALUES OF SOME FORAGE CROPS OF PUERTO RICO 1. Grasses

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Carlos Esteva Jr.

123-136

A COMPARISON OF METHODS OF DETERMINING CARBON IN SOILS

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Bernardo G. Capó

137-169

A MODIFICATION OF MITSCHERLICH'S METHOD FOR THE DETERMINATION OF THE NUTRIENT CONTENTS OF A SOIL

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David G. Hall

171-175

NEW SOUTH AMERICAN SARCOPHAGIDAE (DIPTERA)

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Nathan Banks

177-180

ANTILLEAN ASCALAPHIDAE

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Bernard A. App

181-187

EUXESTA STIGMATIAS LOEW, AN OTITID FLY INFESTING EAR CORN IN PUERTO RICO

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George N. Wolcott

189-192

DESCRIPTION AND BIOLOGIC NOTES ON A TIPHIA (HYMENOPTERA: SCOLIIDAE) FROM HAITI

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George N. Wolcott

193-218

THE INTRODUCTION INTO PUERTO RICO OF LARRA AMERICANA SAUSSURE, A SPECIFIC PARASITE OF THE "CHANGA", OR PUERTO RICAN MOLE-CRICKET, SCAPTERISCUS VICINUS SCUDDER

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O. A. Johannsen

219-225

NEW SPECIES OF NEMOCERA FROM PUERTO RICO

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J. Guiscafré-Arrillaga, Luis A. Gómez

227-262

STUDIES OF THE ROOT SYSTEM OF COFFEA ARABICA L. Part I.—Environmental Condition Affecting the Distribution of Coffee Roots in Coloso Clay

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