18 THE SALMON FISHERIES. 
A similar change takes place in the condition of the flesh, 
which loses all its “curd” as the roe increases in size. The 
late Sir Robert Christison compared the flesh of a kelt and 
of a “clean-run” salmon, after careful analysis, with the 
following results. The oil in the flesh of the kelt was only 
I°3 per cent. against 18°53 per cent. in that of the fresh-run 
fish: the fibrin, albumen and extractive matter—z.e., the 
nitrogenous nutritive principles—were 17°07 “pet. cene 
against 19°07 per cent. 
FIG, VI.—PYLORIC APPENDAGES FIG. VII.—MILT OF SALMON FULLY 
WITH MILT UNDEVELOPED. DEVELOPED. 
But under the invigorating effects of a visit to the sea- 
side the kelt 
* Doth suffer a sea-change ” 
hardly less striking than that experienced by Alonso’s 
bones in Ariel’s song. With renewed vigour and in- 
creasing appetite the jaded traveller rapidly gains flesh, 
