49 two months or more from spawning time
They break the eggs & escape tail or head first. They struggle anxiously for freedom for some time previous to release & the beating of their hearts can be distinctly seen through the transp[transparent] shell & equally transparent tissues of the body. When the day of their release is at hand one of [their] eyes perfectly formed is always to be seen they appear as if a brass tack with a black centre spot were driven into each
50 egg. [Sketch: In egg rolled tail to head] When they winnow free for the first time they are 1/2 or 3/4 inch long & seem to be fastened upon a pink sack wh [which] is the umbilical sac containing the yolk of the egg wh is provision for about six weeks when it is absorbed & they go altogether free they are then swift of fin & shapely [ ] capable of self sustainence & defence but when loaded with their beautiful candy like provision bag they are devoured in countless quantity by other salmon & by the [muck] snake
Original journal dimensions: 8.5 x 13 cm.
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John Muir, journals, drawings, writings, travel, journaling, naturalist