...In the place of the ruffs of the Ruffled Grouse, are long tufts of rounded orsquare ended feathers, and beneath these a peculiar sac, bright orange in the breeding... 
Chester A. Reed 「The Bird Book」
...Blyth thinks that this sac is affected by the amorous season, as inthe case of the infra-orbital cavities of various ruminants andanalogous glandular follicles in other animals...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...saccolaimus, in which the gular sac is well developed in both sexes,though larger in the male...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...The time interval between the rupture of the sac and emergence of each individual was 41, 92, 154, and 34 minutes...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...Three never ruptured their sacs, and another died soon after leaving the sac...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...In all Polyps the body consists of a sac divided byvertical partitions () into distinct cavities or chambers...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...In the axis of the sac, thus divided, hangs a smaller one, formingthe digestive cavity, and supported for its whole length by the six primarypartitions...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...The open mouthof this inner sac, which may, however, be closed at will, since the wholesubstance of the body is exceedingly contractile, is the oral opening orso-called mouth of the animal...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...The Bolina (), like the Pleurobrachia, is slightly oval in form, witha longitudinal split at one end of the body, forming a mouth which opensinto a capacious sac or digestive cavity...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...The vocal sac ismoderately large and bilobed...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...The operator then takes a straightprobe-pointed bistoury, and having introduced it into the orifice, bymaking only pressure, instantly divides the sac...
Dinks, Mayhew, and Hutchinson 「The Dog」
...The yieldingportion of the latter is then pared away, which brings the sac intoview...
Ambrose Blacklock 「A Treatise on Sheep:」
...In this case the brain must be punctured in order to reachthe sac and evacuate its contents...
Ambrose Blacklock 「A Treatise on Sheep:」
...This treatment actsby exciting considerable inflammation, which has the effect of causingswelling, and thus frequently closing the hernial opening and preventing thecontents of the sac from returning...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...An accumulation of gas in the pleural sac is known as pneumothorax...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The allantoisis composed of two layers, which form a closed sac in connection with theurachus, or the tube which extends from the fetal bladder through the umbilicalcord...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The only exception in the case of the hernia is when the walls ofthe sac have become greatly thickened...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The diaphragm, heart sac, and heart walls show numerous hemorrhagic pointsand larger bloody extravasations...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
ランダム例文：
theologies derivative style
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