14 Report of the American 



your desire for a short article connected with fish culture ; and 

 although I offer nothing new, perhaps it may be used to help 

 sustain former observations. 



The State of Ohio built this Fall, four experimental 

 White Fish hatching houses, the attending expense to be paid 

 out of the appropriation of $10,000, made last Winter for this 

 purpose. The hatchery here iB-located on the Water Works 

 Grounds, and receives water direct from the inlet pipe which 

 runs out into Lake Erie one mile, and which at its terminus is 

 twenty-five feet below the surface. The first box of eggs was 

 received from Kelley's Island, Ohio, and placed in the trays 

 December 1st. A few on the edges of the box- were frozen, 

 and a good part of the remainder pressed badly out of shape, 

 the result of packing. The second box of eggs, all in good 

 condition, from Detroit River, Michigan, were placed in the 

 trays December 15fh, making 300,000 altogether in the hatch- 

 ery. From this number less than 1,000 dead eggs have been 

 removed; three-fourths from box number one, the remainder 

 from box number two. All the fro/en eggs died. The tem- 

 perature of water to date, in hatchery and Lake, has been 88° 

 and 40° (that is temperature the same at each end of aque- 

 duct), most of the time 38°, Far. Last Winter, which was 

 uncommonly severe, the water at the hatchery location stood 

 34 £ and 36°. No account of the water was taken at the Lake 

 crib at that time, though undoubtedly it was the same in tem- 

 perature, as it could undergo little if any change in a passage 

 of a mile and a half through a brick aqueduct five feet in 

 diameter. 



The eggs at present are in fine condition, clean and equally 

 well developed, notwithstanding the unusual muddy state of 

 the water, a similar condition not having occurred in several 

 years ; and from present appearances over ninety-five per cent 

 will hatch. Between the 20th of January and the 1st of this 



