ii Fishery Bulletin 11 7(1-2) 
Short contribution 
50-58 
Lisa J. Natanson and Bethany M. Deacy 
Using oxytetracycline validation for confirmation of changes in vertebral band-pair deposition rates with ontogeny in 
sandbar sharks ( Carcharhinus plumbeus) in the western North Atlantic Ocean 
Article 
59-69 
C. J. Carroll Schlick and Kim de Mutsert 
Growth of adult river herring that spawn in tributaries of the Potomac River in northern Virginia 
Short contributions 
70-77 
Lisa J. Natanson, Bethany M. Deacy, Warren Joyce, and James Sulikowski 
Presence of a resting population of female porbeagles (Lamno nosus), indicating a biennial reproductive cycle, in the 
western North Atlantic Ocean 
78-86 
Rui Matsumoto, Yosuke Matsumoto, Keiichi Ueda, Miwa Suzuki, Kiyoshi Asahina, and Keiichi Sato 
Sexual maturation in a male whale shark ( Rhincodon typus) based on observations made over 20 years of captivity 
Articles 
87-96 
Roldan C. Munoz and Michael L. Burton 
Comparison of video and diver observations of sharks from a fishery-independent trap-video survey off east-central 
Florida, including utility of an alternative method of video analysis 
97-106 
Donald M. Van Doornik, David R. Kuligowski, Cheryl A. Morgan, Brian J. Burke, and Todd R. Seamons 
Insights, from genetic analyses, into stock-specific distribution of juvenile steelhead (Oncorhynchus mykiss) from the 
Columbia River during early marine migration 
107-120 
Yuki Fujinami, Yasuko Semba, and Sho Tanaka 
Age determination and growth of the blue shark {Prionace glauca) in the western North Pacific Ocean 
121-124 
Guidelines for authors 
