Vol. 22 No. 2 (1938): Vol. 22, No. 2, April 1938
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
https://doi.org/10.46429/jaupr.v22i2.12905
PDF
Carlos Esteva Jr.
123-136
A COMPARISON OF METHODS OF DETERMINING CARBON IN SOILS
https://doi.org/10.46429/jaupr.v22i2.12906
PDF
Bernardo G. Capó
137-169
A MODIFICATION OF MITSCHERLICH'S METHOD FOR THE DETERMINATION OF THE NUTRIENT CONTENTS OF A SOIL
https://doi.org/10.46429/jaupr.v22i2.12907
PDF
David G. Hall
171-175
NEW SOUTH AMERICAN SARCOPHAGIDAE (DIPTERA)
https://doi.org/10.46429/jaupr.v22i2.12908
PDF
Nathan Banks
177-180
ANTILLEAN ASCALAPHIDAE
https://doi.org/10.46429/jaupr.v22i2.12909
PDF
Bernard A. App
181-187
EUXESTA STIGMATIAS LOEW, AN OTITID FLY INFESTING EAR CORN IN PUERTO RICO
https://doi.org/10.46429/jaupr.v22i2.12910
PDF
George N. Wolcott
189-192
DESCRIPTION AND BIOLOGIC NOTES ON A TIPHIA (HYMENOPTERA: SCOLIIDAE) FROM HAITI
https://doi.org/10.46429/jaupr.v22i2.12911
PDF
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
https://doi.org/10.46429/jaupr.v22i2.12912
PDF
O. A. Johannsen
219-225
NEW SPECIES OF NEMOCERA FROM PUERTO RICO
https://doi.org/10.46429/jaupr.v22i2.12913
PDF
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
https://doi.org/10.46429/jaupr.v22i2.12914
PDF