WILLIS, R.P. 905 



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 A SMALL TOWED NET FOR OCEAN SURFACE 



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WIMPENNY, R.S. 907 



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A TRANSPARENT BUCKET WITH A DETACHABLE 

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3 111 94-97. 



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A NEW FORM OF HENSEN NET BUCKET. 

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WINSOR, C.P. 911 



WALFORD, L.A. 

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 SAMPLING VARIATIONS IN THE USE OF 



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 A QUALITATIVE AND QUANTATIVE REVIEW OF 



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WINSOR, C.P. 913 



CLARKE, GEORGE L. 

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 A STATISTICAL STUDY OF VARIATION IN 



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SCIENTIFIC AND BIOLOGICAL RESEARCHES 

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MEM. CHALLENGER SOC. 



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DESCRIPTION OF THE WOLFENDEN NET. 



WORTHINGTON, E.B. 917 



/1931/ 

 VERTICAL MOVEMENTS OF FRESH-WATER 



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DISCUSSION OF THE ABILITY OF PLANKTO- 

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AUTOMATIC PLANKTON SAMPLER WITH MULTI- 

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YAMAZI, ISAMU 921 



/1961/ 



NEW DEVICE OF AUTOMATIC PLANKTON SAM- 

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ZOOL. MAG. 



70 /6/ 180-187. 



IN JAPANESE. 



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DAILY CHANGES OF PLANKTON OFF SUMA, 

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IN JAPANESE. 



YASHNOV, V.A. 924 



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SKOROSTNAYA PLANKTICHESKAYA SET,. 

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DESCRIPTION OF A HIGH-SPEED NET WITH 

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YENTSCH, CHARLES S. 927 



DUXBURY, ALYN C. 

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SOME OF THE FACTORS AFFECTING THE 

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YENTSCH, CHARLES S. 929 



GRICE, GEORGE D. 

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 SOME OPENING- CLOSING DEVICES FOR 



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PERMA. INT. EXPLOR. MER 

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ZACHARIAS, OTTO 930 



/1907/ 



DER PLANKTONS EIHER -ETMOPHOR-. 

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ZACHARIAS, OTTO 931 



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DAS PLANKTON ALS GEGENSTAND DER NATUR- 

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THEOD. THOMAS, LEIPZIG. 

 DESCRIPTION OF PLANKTON NETS AND SAM- 

 PLING ERROR. 



34 



