...In this state the organ continues to beat for thirty-sixhours, at the same time setting down, by means of the chronograph, agraphic history of the approximately 72,000 pulsations it makes inthat time... 
Various 「Astounding Stories, August, 1931」
... Their position then—according to Pitt's log—was approximately 75 deg...
Rafael Sabatini 「Captain Blood」
...The period of incubation ofgoose eggs is approximately 30 days, but may varyfrom 28 to 33 or occasionally even 35 days...
Harry M. Lamon 「Ducks and Geese」
...The annual rainfall in both Virginia and Missouri amounts to approximately 40 inches...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...Many persons have assumed that gestation periods in snakes are the intervals between mating and parturition, and that mating and ovulation occur at approximately the same time...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...It was estimated that females become sexually mature at an age of approximately two and one-half years...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...The tendon bifurcatesat approximately the middle of the first phalanx...
William B. Stallcup 「Myology and Serology of the Avian Family Fringillidae」
...The tendon of insertion is formed approximately one-half theway down the crus...
William B. Stallcup 「Myology and Serology of the Avian Family Fringillidae」
...The application of serological techniques to the problems ofanimal relationships has been attempted with varying degrees ofsuccess over a period of approximately fifty years...
William B. Stallcup 「Myology and Serology of the Avian Family Fringillidae」
...These twelve specimens extend the known area ofoccurrence of the species in Utah approximately 80 miles to thesouth, and indicate that this shrew occurs throughout the state infavorable habitats...
Stephen D. Durrant 「Additional Records and Extensions of Known Ranges of Mammals from Utah」
...In walks through the study area approximately three times as many cottontails were flushed at night as in the daytime...
Donald W. Janes 「Home Range and Movements of the Eastern Cottontail in Kansas」
...On the average, a sufficient number of records to yield approximately nine peripheral points must be obtained before the full extent of the home range is revealed...
Donald W. Janes 「Home Range and Movements of the Eastern Cottontail in Kansas」
...One cottontail (Figure 2, lower left) born in July, 1954, was estimated to have wandered over approximately 0...
Donald W. Janes 「Home Range and Movements of the Eastern Cottontail in Kansas」
...The mentomecklians do not ossify until approximately the same time that thequadratojugal appears in the upper jaw...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...We reached Washington Beach from Matamoros on July 6, anddrove to a point approximately 33 miles south on the beach, wherewe made Camp 1 on the east side of large dunes 400 yards from thesurf...
Robert K Selander 「Vertebrates from the Barrier Island of Tamaulipas, México」
...The plateau is approximately 900 meters above sea level...
Ticul Alvarez 「The Recent Mammals of Tamaulipas, Mexico」
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