246 U. S. BUREAU OF FISHERIES 
any razor clam of less than this length will be regarded as prima facie evidence 
of unlawful taking. 
Shrimp fishery.—Commercial fishing for shrimps is prohibited in the period 
from March 15 to April 30, both dates inclusive, in each year. 
Crab fishery.—Dungeness crab (Cancer magister). No female of this species 
shall be taken at any time, and no male of this species measuring) less than 
614 inches in greatest width shall be taken for commercial purposes. 
GENERAL REGULATIONS 
By virtue of the authority conferred by the acts approved June 6, 1924, and 
June 26, 1906, the following regulations shall be effective in all waters of 
Alaska, including the special areas already described above: 
1. During closed periods all salmon traps within the areas affected shall be 
closed in accordance with the method prescribed by section 5 of the act of 
June 6, 1924, and in addition the spillers of all driven traps shall be raised to 
within 4 feet of the capping and the spillers of floating traps shall be raised 
to within 4 feet of the surface within 36 hours after the beginning of any 
seasonal closed period. Within 36 hours after the beginning of any seasonal 
closed period the tunnels from pots to spillers of all traps shal! be entirely 
disconnected. In respect to traps not provided with spillers, the requirements 
in regard to spillers shall apply to the pots. 
2. All persons engaged in fishery operations are warned to give due regard to 
all markers erected by the Department of Commerce. 
3. In waters where a rack or weir is maintained by the Bureau ef Fisheries 
for the purpose of counting salmon ascending to the spawning grounds, records 
of the catch of salmon shall be furnished daily by all operators to the local 
representative of the Bureau of Fisheries in charge, and upon notification by 
the Commissioner of Fisheries or his authorized representative that an exces- 
sive proportion of the run is being taken so that the escapement of any species 
is less than the 50 per cent specified by section 2 of the act of June 6, 1924, all 
commercial fishing operations shall at once be discontinued and shall not be 
resumed until permission therefor is granted by the Commissioner of Fisheries 
or his duly authorized representative. And if in any year it shall appear that the 
run of salmon in such waters has diminished, there shall be required a corre- 
spondingly increased escapement, and upon notification by the Commissioner 
of Fisheries or his authorized representative all commercial fishery operations 
shall cease and shall not be resumed until such increased escapement has been 
secured. 
4. The driving of salmon downstream and the causing of salmon to go outside 
the protected area at the mouth of any salmon stream are expressly prohibited. 
5. During the inspection of the salmon fisheries by the agents and repre- 
sentatives of this department, they shall have at all times free and unobstructed 
access to all canneries, salteries, and other fishing establishments and to all 
hatcheries. 
6. All persons, companies, Or corporations Owning, operating, or using any 
stake net, set net, trap net, pound net, or fish wheel for taking salmon or other 
fishes shall cause to be placed in a conspicuous place on said trap net, pound 
net, Stake net, set net, or fish wheel the name of the person, company, or cor- 
poration owning, operating, or using same, together with a distinctive number, 
letter, or name, which shall identify each particular stake net, set net, trap net, 
pound net, or fish wheel, said lettering and numbering to consist of black 
figures and letters, not less than 6 inches in length, painted on white ground. 
7. If in the process of curing salmon bellies the remaining edible portion of 
the fish is not used, such action will be regarded as wanton waste within the 
meaning of section 8 of the act of June 26, 1906, and those who engage in this 
practice will be reported for prosecution as provided for in the act. 
8. These regulations do not apply to the Afognak Reservation, fishing within 
which is prohibited, except by resident natives, by the terms of the law and 
Executive order creating it. 
9. The taking of salmon for fox feed shall be considered as commercial fish- 
ing and subject to all of the limitations in respect thereto. 
10. Any increase in the amount of fishing gear employed or any expansion 
of fishery operations in any district in any season shall, in the discretion of the 
Secretary of Commerce, result in the immediate imposition of such additional 
restrictions as may appear necessary. 

