Report of the Commissioner for the year ending June 30, 1899 . easily for nine weeks, undergoing greatchanges of air temperature seemingly without inconvenience. One ofa pair furnished to the School of Science at Austin, Tex., has beenkept in an aquarium over 12 months, and about every eight days is feda small bit of the flesh of crawfish. One was kept alive at the station,hermetically sealed in a Mason jar two-thirds full of water, for 31 days. The trees planted the previous year have done well, taking into con-sideration the hot climate and almost total drought for 12 months. The weather dur
Report of the Commissioner for the year ending June 30, 1899 . easily for nine weeks, undergoing greatchanges of air temperature seemingly without inconvenience. One ofa pair furnished to the School of Science at Austin, Tex., has beenkept in an aquarium over 12 months, and about every eight days is feda small bit of the flesh of crawfish. One was kept alive at the station,hermetically sealed in a Mason jar two-thirds full of water, for 31 days. The trees planted the previous year have done well, taking into con-sideration the hot climate and almost total drought for 12 months. The weather during the year has been very clear and dry, with highwinds during the winter months and unprecedented cold, the ther-mometer registering 5° below zero on February 12, and remaining lowfor nearly a week. Ice nearly 4 inches thick formed over the pondsduring this spell, but no harm resulted to the fish. Owing to the lightrainfall during the past two years, the flow from the artesian well grad-ually dwindled, until in May it was less than 200 gallons per minute,. Rake for taking aquatic plants from ponds. and the overflow from the ponds was so light that the hydraulic ramcould not be operated. Heavy rains in June caused the flow to becomenormal again. Neosho Station, Missouri (H. D. Dean, Superintendent). In addition to the usual fish-cultural work the station employees mademany minor improvements during the year: Two spawning-ponds wereconstructed at the head of pond No. 14, and quite extensive repairs weremade to Nos. 14 and 15, including new piling and new standpipes. Thematerial used for this purpose was lj-inch cypress, coated with pinetar. A new barn was constructed in the rear of the residence, threehydrants were installed on the grounds for watering the lawns, and arefrigerator was built in the corner of the icehouse for the preservationof liver and fish-food. An artesian well, 3-inch bore, was also sunk,with a view to increasing the water supply, but the flow from it issma
Size: 2857px × 875px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorunitedstatescomission, bookcentury1900, bookdecade1900
