[41 | PLAN OF INQUIRY FOR FISHERY CENSUS. 43 
51. Do they go right off to sea and disappear at once, or do they lin- 
ger about the shores? 
52. What is the very latest date at which they are seen on the shore, 
and their size at that time? Can you furnish a few specimens in 
alcohol? 
53. How large do they get to be in a year? 
54. Do they come back to the bays and rivers when a year old, or at 
any time before they are full grown? 
55. In how many years do they attain full size? Give all the facts 
on whiecb your opinion is based. 
G.—Enemies, fatalities, &e. 
56. Have you observed or heard of any epidemic or other disease 
afflicting them? 
57. Do they ever die in large numbers without apparent cause? 
58. Are deformed fish ever seen? 
59. Are crabs, lice, worms, lampreys, or other living animals found 
attached to any part of these fish? 
60. What fishes and other animals prey upon the alewife? 
H.—Capture. 
61. By what mode are these fish caught in your vicinity? 
62. Give all the facts you can about the different modes of fishing— 
how the different nets, traps, pounds, &e., are constructed, and how they 
are worked; the date when they begin to operate, and when they close 
operations. 
63. How many of each of these implements are in use in the district 
over which your knowledge extends? State definitely the limits of the 
district included, and give the number of implements exactly if you can. 
64. Is the number of such implements greater or less than it was 5, 
10, 20, or 30 years ago. 
65. Are any of these implements used exclusively or mainly for the 
capture of alewives? 
66. What other kinds of fish do the same implements catch? 
67. Name the kinds of fish, if any, which are considered by the fisher- 
men of more importance to them than the alewife, that is, which bring 
them in more money. 
68. Make au estimate, as exact as possible, of the number of alewives 
caught in each of these modes of fishing; how many to each weir, pound, 
net, &c., in a season. 
69. What is the total catch for the whole district included within the 
limits given in answer to question 63? 
70. What are the local regulations or restrictions in regard to the 
capture of these fish, the persons authorized to take them, the number 
allowed, &c.? 
