A SIMPLE METHOD FOR DETERMINATION OF TOTAL SULPHUR IN SOME BIOLOGICAL FLUIDS, Ghiath M. Sumainah College of Agriculture,

A FUNDAMENTAL FREQUENCY FOR THE AUTONOMIC NERVOUS SYSTEM , S. Jerome Putnam

BIOLOGY TNSAUDI ARABIA THE STATE OF THE BIOLOGICAL SCIENCES IN RELATION TO MEDICIN E IN SAUDI ARABIA , M. T. Kordy and Carlo Fonseka

THE CURRENT STATE OF BIOLOGY IN SAUDI ARABIA: PARALLEL COMPARISON OF LOCAL AND INTERNATIONAL UNIVERSITIES, Farouk M. EI Amin

ASCORBIC ACID PRODUCTIVITY OF A STRAIN OF AZOTOBACTER CHROOCOCCUM , M. R. El-Naggar and H. A. Emara

FACTORS AFFECTING NUCLEIC AND FOLIC ACIDS CONTENT OF YEAST SINGLE CELL PROTEIN. I-EFFECT OF TYPE OF YEAST, AGITATION AND PROPAGATION TEMPERATURE , *Nadia R. Abd EI-Rahman, ***S. Abd El-Barr, **A. S. Dabash and ***Sawsan EI-Fahham ·

ECOLOGICAL SWD/ES A CONTRIBUTION TO THE STUDY OF VEGETAnON IN WESTERN AND NORTHWESTERN SAUDI ARABIA. , A. M. Megahid and A. M. EISheikh

THE NATURAL VEGET AnON OF AL-RABADAH AREA OF WESTERN SAUDI ARABIA, A.M. Migahid and A.M. EIShaikh

ENTQMOLQGY SEX PHEROMONES AND THEIR SITES OF PRODUCTION IN MALES OF NAUPHOETA CINEREA (OLIVER) (DICTYORPTERA: BLATTIDAE) , Maya Menon

ANA TOMY AND HISTOLOGY OFTHE MATURE LARVA OF CHILO AGAMEMNONBLES (LEPIDOPTERA, CRAMBIDAE) , M. E. Moussa and *S. M. Hammad

STUDIES ON SOME PARASITES OF LIRIONYZA CONGESTA (BECKERS) (DIPTERA, AGROMYZIDAE) IN RIYADH REGION , Ali I. Dabbour

A NEW PRODUCT FROM DATE , Ghiath M. Sumainah and Hamza AI-Nakhal

BIOCHEMICAL CHARACTERIZATION AND ANTIMICROBIAL SUSCEPTIBILITIES OF PSEUDOMONAS AERUGINOSA ISOLATES FROM VARIOUS SOURCES TO 12 ANTIMICROBIAL AGENTS , Nassim H. Nabbut, Habeeb M. AI-Nakhli and Elie K. Barbour

COMPARISON OF SOIL FUNGI IN DISTURBED AND UNDISTURBED SITES AT QASSIM AREA IN SAUDI ARABIA , A. S. Khaliel

LEAF SPOT DISEASES IN SAUDI ARABIA. III. EFFECT OF HYDROGEN-ION CONCENTRAnON AND TEMPERATURE ON THE GROWTH OF DIFFERENT ISOLATES OF ALTERNARIA ALTERNATA , H. M. Sheir, M. Y. Kasslm, A. N. Abou-Heilah and Shamsher Khan

EFFECT OF SALINITY ON THE GERMINATION AND SEEDLING GROWTH OF WHEAT AFTER PRETREATMENT BY SOME GROWTH REGULATORS , M. H. AI-Wahaibi

EFFECT OF NaCl AND/OR NazS04 SALINITIES ON SEED GERMINATION AND HYPOCOTYL AND ROOT ELONGATION OF TOMATO IN PRESENCE OR ABSENCE OF csci,  H. A. Gawad*, S. Z. EIBasyouni**, M. H. AI-Wahaibi*, M. O. Basalah* and I. E.M. AIAckhal *

COMPARATIVE STUDY OF MINERAL CONTENT OF BERRIES OF SOME SEEDY AND SEEDLESS GRAPE CULTIVARS , Atalla A. Abo-Hassan and Mohamed A. Bacha

EFFECT OF GA3 ON YIELD, ANATOMICAL AND CHEMICAL CHARACTERISTICS OF THE UMBELLIFEROUS GENERA CARUM, CORIANDRUM AND CUMINUM. PART . YIELD CHARACTERISTICS , Kassem F. EI-Sahhar, AbdelMageed M. Zaher, Fadia A. Youssef and Saad R. Sadek

EFFECT OF GA3 ON YIELD, ANATOMICAL AND CHEMICAL CHARACTERISTICS OF THE UMBELLIFEROUS GENERA CARUM, CORIANDRUM AND CUM/NUM. PART n. ANATOMICAL CHARACTERISTICS OF CARUM , Abdel-Mageed M. Zaher, Kassem F. EI-Sahhar, Fadia A. Youssef and Saad R. Sadek

EFFECT OF GAJ ON YIELD, ANATOMICAL AND CHEMICAL CHARACTERISTICS OF THE UMBELLIFEROUS GENERA CARUM, CORJANDRUM AND CUM/NUM. PART III. CHEMICAL CHARACTERISTICS , Fadia A. Youssef, Abdel-Mageed M. Zaher, Kassem F. EI-Sahhar and Saad R. Sadek

EFFECT OF 204 DINITROPHENOL AND ADENOSINE PHOSPHATES ON RESPIRATION AND NITROGEN METABOLISM OF RADISH ROOT SLICES INCUBATED IN L-METHIONINE , Younis, A. E* and Hamed, A. A. K.** '

DETERMINATION OF MALATHION RESIDUES IN PLANT AND SOIL UNDER DIFFERENT ENVIROI-lMENTAL CONDITONS IN SAUDI ARABIA , A. A. Komeil

EFFECT OF SOME HERBICIDES ON R. JAPONICUM , A. A. Komeil, Y. Tarabulsi and M. E. Abdel Samea 

SQIL AND WA TER WATER QUALITY AND SOIL CHARACTERISTICS AS RELATED TO IRRIGATION AND DRAINAGE IN AL-HASSA AREA , Hosny Etewy, Mohamed Asseed, Saad Al-Barrak and A.M. Turjoman

CONSUMPTIVE USE OF ALFALFA (ETa) AND CROP WATER RESPONSE UNDER DIFFERENT SOIL MOISTURE STRESSES IN AL-HASSA AREA IN THE EASTERN PROVINCE OF SAUDI ARABIA , Mohamed S. Asseed, A. M. Turjoman, Yahia M. Makki and H. Etewy

MOVEMENT OF POT ASSlUM AND PHOSPHORUS IN SOIL COLUMNS , I. I. Bashour, J. Devi Prasad and M. AI-Mazroa

CORRELATION BETWEEN MICRONUTRIENT AVAILABILITY AND SALINITY AND CaC03 CONTENT IN SOME SAUDI SOILS , J. Devi Prasad, I. I. Bashour, A. AI-Shanghitti and H. Austin

VETERINARY SCIENCE$. RECENT EPIZOOTICS OF RINDERPEST IN SAUDI ARABIA , S. M. Hafez* and S. AI-Mezaini**

OCCURRENCE OF BRUCELLOSIS IN SHEEP AND SHEEP HANDLERS IN HARADH, SAUDI ARABIA , Ahmed I. Radwan. Sa ad I. Bekairi and Abdullah A. AIMukayel

BRUCELLOSIS IN DOMESTIC LIVESTOCK IN SAUDI ARABIA , Ahmed I. Radwan, Joseph A. Asmar, Wayne M. Frerichs, Saad I. Bekairi and Abdullah A. AIMukayel

BACTERIAL CONTAMINAnON IN HATCHING EGGS FROM NESTS AND FLOORS OF POULTRY BREEDERS , E. K. Barbour and N. H. Nabbut

CAMEL NASOPHARYNGEAL MYIASIS: A REVIEW WITH SPECIAL EMPHASIS ON THE PREVALENCE OF CEPHALOPINA TITILLATOR (CLARK 1797) AMONG INDIGENOUS AND IMPORTED CAMELS IN SAUDI ARABIA , M. F. Hussain, S. M. Basmaeil, H. A. R. Hassan, H. K. Billal and A. A. R. AI-Motlaq

SKIN LESIONS IN CAMELS (CAMELUS DROMEDARIUS) , Ashiq H. Cheema