FISHERY BULLETIN: VOL 69, NO. 2 



Aron, W., and S. Collard. 



1969. A study of the influence of net speed on 

 catch. Limnol. Oceanogr. 14 : 242-249. 



Backus, R. H., J. E. Craddock, R. L. Haedrich, and 

 D. L. Shores. 



1970. The distribution of mesopelagic fishes in the 

 equatorial and western North Atlantic Ocean. 

 J. Mar. Res. 28: 179-201. 



Banse, K., and D. Semon. 



1963. On the effective cross-.section of the Isaacs- 

 Kidd midwater trawl. Univ. Wash. Dep. Ocean- 

 ogr. Tech. Rep. 88, 9 p. 



Chapman, C. J. 



1964. Importance of mechanical stimuli in fish be- 

 haviour, especially to trawls. In Modern fishing 

 gear of the world 2: 537-540. Fishing News 

 (Books) Ltd., London. 



COONEY, R. T. 



1967. Diel differences in trawl catches of some de- 



mersal fishes. M. S. Thesis, Univ. Wash., Seattle, 

 96 p. 



Friedl, W. a. 



1970. Sonic scattering and its probable causes in 

 two areas of Puget Sound. In G. B. Farquhar 

 (editor). Proceedings of an international sym- 

 posium on biological sound scattering in the ocean, 

 March 31-April 2, 1970, p. 527-550. Maury Center 

 Ocean Sci. Rep. 005. 



Harrisson, C. M. H. 



1967. On methods for sampling mesopelagic fishes. 

 /)( N. B. Marshall (editor). Aspects of marine 

 zoology, p. 71-126. Symp. Zool. Soc. London 19. 



Simpson, G. G., A. Roe, and R. C. Lewontin. 



1960. Quantitative zoology. Revised ed. Har- 

 court, New York, 440 p. 

 UNESCO. 



1968. Zooplankton sampling. UNESCO (U.N. 

 Educ. Sci. Cult. Organ.) Monogr. Oceanogr. Meth- 

 od. 2, 174 p. 



432 



