34 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [32] 
B.— Characteristics. 
SIZE. 
oo 
. What is the average length and weight of the cod? 
. What is the weight of the largest individuals? 
. Are the longest always the heaviest ? 
. Is there any difference in the size of males and females ? 
. Can you estimate the annual rate of growth? 
. What is the length of a cod one year old, two years old, &¢.? 
on, 
on 
SHAPE AND COLOR. 
9. Are there differences in different fish in the shape and color of 
body, fins, head, nape, and other parts? 
10. Can you describe these differences? 
11. Do these differences depend upon age, sex, season, habits, food, 
or kind of bottom ? 
12. Do the fish taken at different seasons or in different places yary 
in shape and color. 
13. Are there names for these different kinds or schools ? 
C.— Distribution. 
14. Are there any places on your coast where the cod are not found? 
15. How far from thé shore, and in how @eep water do they occur? 
16. How close to the shore, and in how shallow water? 
17. Are they ever known to’ enter brackish water at the mouths of 
rivers ? 
D.—Movements, de. 
MIGRATIONS. 
18. Do the cod remain with you throughout the year, or are they ab- 
sent for a time? 
19. If they remain throughout the year, are they to be found always 
in the same places, or do they approach and recede from the shore with 
the change of seasons ? 
20. If they approach and recede from the shore, when do these move- 
ments occur, how long a time do they occupy, and how far do they ex- 
tend ? 
21. Can you explain the cause of these movements ? 
22. If they are entirely absent at certain seasons, please state care- 
fully at what time they go, how long they are absent, and when they 
return. ; 
23. Where are they supposed to go, and for what purpose? 
24, By what route do they leave the shore and return? 
