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an incubating tray; 1 died January 12th, 1 on the 27th, 1 on 
March 5th, and the last 2 on March 8th. 
Experiment No. 27.—December 30th, at 1.25 p.m., placed 
10 eggs from tray No. 2 in a quart brandy bottle, which weighed 
a little over 13 lbs. but when full of water and corked 3 lbs. 3 ozs. 
I then dropped in from a height of 2 feet on to the grass, and 
placed the eggs in an incubating tray. December 31st 1 died, 
January 30th 1, February 28th, 1, March 8rd 2, March 4th 2, 
and March 38rd, the last 3. 
Experiment No. 28.—December 31st, dropped 12 eggs taken 
from tray No. 2, ina similar manner to the last experiment, 
from 3 feet height. January Ist 2 dead, 3rd 1, and 1 on each 
of the following days, February 12th, 14th and 17th, and 2 on 
the 22nd, 1 on March 5th, and 3 on the 7th. 
Experiment 29.—January 27th, 1886, dropped 10 eggs from 
a height of 44 feet in a similar manner to the foregoing, 1 died 
the same day, 1 on March 18th, 1 on the 15th (2 were lost when 
changing the boxes), 1 hatched on the 25th, 2 on the 26th, 
leaving 3, none of which hatched. 
In the first two lots experimented upon by concussion, 
within the first 22 days after having been obtained from the 
fish, none lived over 8 or 9 days. But in the eggs dropped from 
a greater height 47 days after having been taken, we see what a 
much larger amount of motion eyed-ova will bear than eggs in 
their earlier stage of incubation. 
Salmonoid eggs may even be incubated in water which is 
stagnant, as in a tumbler, when the fluid is occasionally 
changed, as daily, on alternate days, or even less frequently. 
Experiment No, 30.—Placed 10 trout eggs on December 
15th, taken from tray No. 1, in a tumbler of water, which was 
changed daily, and on March 25th the first had hatched, one 
having died on January Ist, and one having been removed for 
microscopic purposes on January 20th; a second hatched on 
March 26th, one on the 27th, and one on the 28th. 
Experiment No. 31.—Placed a single egg on February 4th, 
in a tumbler of water which was changed every alternate day, 
it hatched March 26th, 1886. 
