80 



Appendices to Eighteenth Annual Report 



Table II. — Showing Percentage and Total Amounts of Solids in Muscle 

 and Ovaries in Female Fish from Estuaries. 



No. 



Muscles. 



Ovaries. 



Per cent. 



Total per 

 S.F. 



Per cent. 



Total per 

 S.F. 



Thick. 



Thin. 



2 

 3 

 4 



30-6 

 27-7 

 34 4 



Febr 



35-0 

 31-3 

 39-0 



nary. 



1850 

 2443 

 2349 



27 6 

 311 

 28*0 



20 

 36 

 16 



Average, 







2214 





24 



5 

 7 

 8 



10 



35 



32 2 

 32 4 

 35-9 

 31-6 

 34-0 



Ma 



36-6 

 38-0 

 36-6 

 34-4 

 36 6 



rch. 



2010 

 2372 

 2471 

 1843 

 2568 



31-4 

 27-9 

 24-2 

 31 '0 

 32 0 



28 

 23 

 15 

 22 

 31 



A Y r Pl™£l Off* 







2355 





24 



11 



12 

 13 

 14 



32 3 

 32 3 

 32-8 

 35 5 



Ap 



39-4 

 35-7 

 38-0 

 37-8 



ril. 



2542 

 2657 

 2456 

 2741 



32 7 

 31 6 

 30-7 

 30 5 



49 



32 

 25 

 28 



Average, 







2599 





33 



If the results of these investigations on the solids of salmon leaving 

 the sea during February, March, and April are compared with the 

 results previously obtained during the other months of the year, the 

 following Table may be constructed. 



Table III. — Showing the Amount oj Solids in Muscles and Ovaries of 

 Female Salmon leaving the Sea throughout the Year. 





Nov. 



Feb. 



Mar. 



Apr. 



May 

 and 

 June. 



July 

 and 

 Aug. 



Oct. 

 and 

 Nov. 



Kelts. 



Muscles, . 



2481 



2214 



2355 



2599 



2210 



2270 



1750 



946 



Overies, 



23 



24 



24 



33 



47 



72 



545 



9 



Total, 



2504 



2238 



2379 



2632 



2257 



2342 



2295 



955 



Such a Table fully confirms the conclusion previously arrived at — 

 That the salmon goes to the sea to feed and returns to the river 

 when it has accumulated its full store of nourishment irrespec- 

 tive of the condition of the reproductive organs. the factor 



DETERMINING MIGRATION FROM SEA TO RIVER IS NOT THE nisUS generativus, 

 BUT THE STATE OF NUTRITION. 



