. Poultry production. Poultry. 86 POULTRY PRODUCTION connection between tlie o^â i(hlct and the o\-ar}-, and Lillie' adds that "The existence of double-yolked eggs renders it probable that the oviduct can pick up eggs that ha^â¢e escaped into the body ; The oviduct of a hen in full laying, shon-ing the funnel at flic upper part of the photograph. (Courtesy of Raymond Pearl) According to .Surface- tlie oviduct is divided into five more or less clearly dcfinctl regions. Beginning at the end nearest the ovary, these are: (1) the funnel; (2j the albumen secreting portion; (3
. Poultry production. Poultry. 86 POULTRY PRODUCTION connection between tlie o^â i(hlct and the o\-ar}-, and Lillie' adds that "The existence of double-yolked eggs renders it probable that the oviduct can pick up eggs that ha^â¢e escaped into the body ; The oviduct of a hen in full laying, shon-ing the funnel at flic upper part of the photograph. (Courtesy of Raymond Pearl) According to .Surface- tlie oviduct is divided into five more or less clearly dcfinctl regions. Beginning at the end nearest the ovary, these are: (1) the funnel; (2j the albumen secreting portion; (3) the isthmus, which secretes the shell membrane; (4) the uterus or shell gland; i:")) the vagina, which leads into the cloacal opening. Formation and Fertilization of the Egg.'^âIn the formation of an egg, the yolk comes to its full size in the (>\ary. i.'-'ec Figure S2, page 177.) It starts as a tiny splicrc not visiltle to the unaided Its nucleus, which marks ihc point of the (le\'elo])ment of the embryo chick after fertili/atinn, is in ' Development of the Chick. ' Maine Bulletin No. 206. ' Lihie's description in "The Development of the Chick" is Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lippincott, William Adams, 1882-1931; Card, Leslie Ellsworth, 1893-. Philadelphia, Lea & Febiger
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectpoultry, bookyear1921
