284 
Fishery Bulletin 96(2), 1 998 
ful and constructive comments were kindly provided 
by the reviewers. Finally, the cooperation of Califor- 
nia gillnet fishermen, who allowed observers access 
to their boats, is sincerely appreciated. 
Literature cited 
Barlow, J., R. W. Baird, J. E. Heyning, K. Wynne, 
A. M. Mamville II, L. F.Lowry, B. Hanan, J. Sease, and 
V. N. Burkanov. 
1994. A review of cetacean and pinniped mortality in coastal 
fisheries along the west coast of the USA and Canada and 
the east coast of the Russian Federation. Rep. Int. Whal- 
ing Comm., special issue 15:405-426. 
Barlow, J., R. L. Brownell, D. P. DeMaster, K. A. Forney, 
M. S. Lowry, S. Osmek, T. J., Ragen, R. R. Reeves, 
R. J. Small. 
1995. U.S. Pacific marine mammal stock assessments. 
U.S. Dep. Commer., Southwest Fisheries Science Center 
Tech. Memo. NOAA-TM-NMFS-SWFSC-219, 162 p. 
Cochran, W. G. 
1977. Sampling techniques. John Wiley and Sons, New 
York, NY, 428 p. 
Ito, J., W. Shaw, and R. L. Burgner (eds.). 
1993. Symposium on biology, distribution and stock of spe- 
cies caught in the high seas driftnet fisheries in the north 
Pacific ocean. Int. North Pacific Fisheries Comm., no. 53, 
vol. Ill, 576 p. 
Jefferson, T. A., B. E. Curry, and N. A. Black. 
1994. Harbor porpoise mortality in the Monterey Bay hali- 
but gillnet fishery, 1989. Rep. Int. Whaling Comm., spe- 
cial issue 15:445-448. 
Lennert, C., S. Cruse, M. Beeson, and J. Barlow. 
1994. Estimates of incidental marine mammal bycatch in 
California fisheries for July through December, 1990. Rep. 
Int. Whaling Comm., special issue 15:449-461. 
Salzman, J. E. 
1989. Scientists as advocates: the Point Reyes Bird Obser- 
vatory and gill netting in central California. Conserv. Biol. 
3(2):170-80. 
