PUBLICATIONS OF THE INTERNATIONAL COUNCIL 

 FOR THE STUDY OF THE SEA. 



BULLETIN 



DES RESULTATS ACQUIS PENDANT LES COURSES 



PEIUODIQUES. 



Published Quarterly. Price per Volume of Four Numbers, 



18 Kroner (£1). 



RAPPORTS ET PROCES-VERBAUX DES REUNIONS. 



Vol I., 1902-1903. Kr. 6. 



PUBLICATIONS DE CIRCONSTANCE. 



No. I. C. G. Joh. Petersen: How to Distinguish between Mature and Im- 

 inaturo Plaice throuifhout the Year. A Preliminary Communication. 

 8 pp., 1 pi.; July, 1903. Kr. 1. 



No. 2. Martin Knudsen : On the Standard-Water used in the Hydro- 

 graphical Research until July 1903. 9 pp. ; July 1903. Kr. 0.50. 



No. 3. iJie Litcratur der zehn wichtigsten Nulzfi^che der Nordsee. In 

 monographiselier Darstellung. 112 s., 10 T; August, 1903. Kr. 3. 



The Literature of the Ten Principal Food Fishes of the North Sea. 

 In the form of compendious monograplis. 108 pp., 10 pi. ; August, 

 1903. Kr. 3. 



Nos. 4-5. Martin Knudsen : X^eber den Gebraucli von Stickstotfbestim- 

 mungen in der Ilydrographie. 



Gefrierpunkttabelle fuer Meerwasser. 



Zusammen 13 s.; September, 1903. Kr. 0.75. 



