...The length of the skeleton of an adult female, measured fromthe tip of the premaxillaries to the end of the sacral vertebræ,is 23·25, and the tail measures 17·75 inches" (Anderson)... 
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...—Fur coarse as in the genus, profusely intermixed withlong piles, more numerous on the lumbar and sacral regions, whichproject a long way beyond the ordinary pelage...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...There are two sacral condyles...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...In tumblers there are either eleven, twelve, or thirteen sacral vertebræ...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...With the varying shape of the body, the breadth and number of the ribs, the presence of processes, the number of the sacral vertebræ, and the length of the sternum, all vary...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...The Aylesbury duck has fifteen cervical and ten dorsal vertebræ furnished with ribs, but the same number of lumbar, sacral, and caudal vertebræ, as far as could be traced, as in the wild duck...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...long perhaps is sacral or caudal...
Theodore H. Eaton 「A New Order of Fishlike Amphibia From the Pennsylvanian of Kansas」
...The various permutations of the X-shaped scapular markand dark sacral marks differ proportionately in different samples...
William E. Duellman 「Middle American Frogs of the Hyla microcephala Group」
...Approximately equal numbers ofspecimens have a transverse bar, chevron, or broken lines in the sacral region,whereas about eight per cent of the specimens lack markings in the sacralregion...
William E. Duellman 「Middle American Frogs of the Hyla microcephala Group」
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