SEA-FISHERIES LABORATORY. 945 
supplied the information relating to the Central Division. 
This consists of an accurate statement of the amount of 
cockles landed, month by month, during the year June, 
1898—May, 1899, at Lytham. This does not represent 
all the fishing in the Ribble estuary, and the amount of 
| cockles taken in the Central Division and landed elsewhere 
than at Lytham is taken as approximately one and a half 
times the total shown in Mr. Ascroft’s table. 
TaBLE I.—AmountT of CocKLES landed at LyTHam 
during the year June, 1898—May, 1899 :— 
Amount in cwts. | Relative values. | 
| (=R) | 
June, 1898 =e ae ah | 65 2 
July Ms Pee me 114 3°5 
August se a a oye Leis 4°5 | 
September _... ae. ae eta 1250 | 37°5 | 
October ba ry te ee 3983.) Ss 100 | 
November _.... ae mo ee 3254 ( 8033 100 
December i i &. ee 2586 ( = || 100 
January, 1899... cee hy mel SIS || 100 
February is oe Sc ee 2278 69 
March | Ae ant ae ate 1547 46°5 
April Ne a at = 1316 40 
May aa ss ere | 1165 35 
Total amount landed at Lytham ... 21121 
Amount taken in Central Division 
and landed elsewhere ... Se 30000 
Total amount taken from Central 
Division... oF ae ie Beal 
The figures in the third column show the relative values 
of the monthly takes expressed as percentages of the 
average take (3309) for the four months October—January. 
In the construction of tables referring to the Northern 
and Southern Divisions it may be assumed, without serious 
error, that during the four months, October—January, the 
yield of the beds is practically constant. For the other 
