...These butterflies lay eggs in turnon the hackberry leaves, the eggs soon hatching into smallcaterpillars which according to Riley's observations areless active than those of the earlier brood... 
Clarence M. Weed 「Butterflies Worth Knowing」
...It, therefore, becomes necessary to resort to incubatorsfor the purpose of hatching the eggs...
Harry M. Lamon 「Ducks and Geese」
...Age of Hatching Eggs...
Harry M. Lamon 「Ducks and Geese」
...Any place suitable for keepinghens' eggs for hatching is a suitable place forduck eggs...
Harry M. Lamon 「Ducks and Geese」
...Care of Eggs for Hatching...
Harry M. Lamon 「Ducks and Geese」
...The most usual methodsof hatching goose eggs are by means of the chickenhen and the goose...
Harry M. Lamon 「Ducks and Geese」
...Artificial methods are very successful with goslingsmuch more so in fact than are artificial methodsof hatching the eggs...
Harry M. Lamon 「Ducks and Geese」
...sila and sordida fromstreams have relatively longer tails at hatching...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...In the structure and development of the egg there is a great uniformity;but there is a remarkable difference in the condition of the young birdat the moment of hatching...
Robert Jennings 「Sheep, Swine, and Poultry」
...As to the choice of eggs for hatching, such should be taken, of course,as are believed to have been rendered productive...
Robert Jennings 「Sheep, Swine, and Poultry」
...The old-time notion, that small, round eggs produce females, and long,pointed ones males—originally applied, by the ancients, to eatingrather than hatching purposes—may be considered exploded...
Robert Jennings 「Sheep, Swine, and Poultry」
...Whenshe re-enters her box, the whole of the doors are again opened, and thesame rule observed throughout the period of hatching...
Robert Jennings 「Sheep, Swine, and Poultry」
...The most decided species of fever to which fowls are subject occurs atthe period of hatching, when the animal heat is often so increased as tobe perceptible to the touch...
Robert Jennings 「Sheep, Swine, and Poultry」
...The hatching season...
John H. Robinson 「Our Domestic Birds」
...Later some produced all the eggsfor hatching that they needed for their own use, and a few sold toothers also...
John H. Robinson 「Our Domestic Birds」
...Many town people who want to grow only a fewducks each year prefer not to keep any adult stock, but to buy a feweggs for hatching when they want them...
John H. Robinson 「Our Domestic Birds」
...The beginner's first serious difficulty in breedingpigeons is to get the birds in his loft all mated and each pairattending to the work of hatching and rearing its young...
John H. Robinson 「Our Domestic Birds」
...In the early part of the eighteenth century a French scientist namedRéaumur, who was much interested in poultry, began to make experimentsin artificial hatching and brooding...
John H. Robinson 「Our Domestic Birds」
...He succeeded in hatching eggs by utilizing the waste heatfrom a baker's oven, and also hatched eggs in hotbeds heated withdecomposing manure...
John H. Robinson 「Our Domestic Birds」
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