APPENDIX 



Table B. -- Condition of pins and opercula following tagging 

 Stainless Steel Pins 



Operculum Condition 



Remarks 



65 



42 

 91 



64 

 39 



03 

 46 



58 



58 

 58 



61 

 61 



63 

 64 



Abraded by outer 

 disc. Rust spot 

 at twist. 

 No corrosion 

 No corrosion 



No corrosion 



No corrosion except 



black spot near pin 



head. 



Abraded by outer disc. 



Rust spot at twist. 



No corrosion 



Good 



Good 



Good 



Good 



Good 

 Moderate ulceration both 

 sides of operculum. 

 Ulcerated, both sides. 

 Ulcerated, both sides, 

 yicerated, both sides. 

 Inner Euid outer discs 

 grown over. 



Minor ulceration externally. 

 Inner disc grown over. 

 Moderate ulceration exter- 

 nally. Inner disc partially 

 grown over. 



Severe ulceration exter- 

 nally. Inner disc grown 

 over. 



Good 

 Severe ulceration exter- 

 nally. Inner disc grown 

 over. 



Severe ulceration, both 

 sides. 



Severe ulceration, both 

 sides. 



Severe ulceration, both 



sides. 



Minor ulceration 



externally. 



Tight tag. 



Black granular 

 tissue around pin. 



Tight tag. 



Tight tag. 



Black granular tissue 

 around pin. 

 Loose tag. 



—I Days on fish refers to elapsed time between the day the fish was tagged and the day it died. 



INT.-DOP. SEC, WASH., D.C. u 8 U 3 



