...Sympatricoccurrence serves as an indicator of specific distinctness and is one ofthe more practical tests of species validity when cross-breedingexperiments are not possible... 
John D. Lynch 「A Taxonomic Revision of the Leptodactylid Frog Genus Syrrhophus Cope」
...The bill, nostril, and feet resemble thoseof Indicator indicator, but the bill is somewhatstouter, while the wings and tail areshorter...
James Chapin 「Descriptions of Three New Birds from the Belgian Congo」
...Tall sagebrush grows in deep soils of canyon bottoms, and in some burnedareas, and was found to be a good indicator of prehistoric occupation sites...
Charles L. Douglas 「Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado」
...leucopus siredlitters when their testes appeared to be abdominal, and therefore questionedwhether the criterion of descended testes is valid as an indicator of breedingcondition...
Charles L. Douglas 「Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado」
...After the first year growth is variable and size is of little valueas an indicator of age...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...Thedarkened and distensible throat pouch of the adult male probablyis the best available indicator of sexual maturity...
Henry S. Fitch 「Field Study of Kansas Ant-Eating Frog」
...The presence ofa terminal groove at the tip of the finger is an external indicator ofthe T-shaped terminal phalanges...
John D. Lynch 「Genera of Leptodactylid Frogs in México」
...A ray was projected continuously ahead of them; it would reflect back and give on an indicator instant warning of any derelict or obstruction...
Various 「Astounding Stories of Super-Science January 1931」
...The turn and bank indicator was performing a kind of tangoround the dial...
Victor Rousseau 「Astounding Stories of Super-Science January 1930」
...I glanced up at the surface temperature indicator, and sawthe big black hand move slowly for a degree or two, and stop...
Various 「Astounding Stories, April, 1931」
...The starting indicator was already set for my position...
Various 「Astounding Stories, May, 1931」
...The position indicator of the second robot moved slightly as Eddiestarted the invisible monster toward the yelling gangster...
Various 「Astounding Stories, March, 1931」
...He glanced swiftly at the location chart anddepth indicator again...
Various 「Astounding Stories, February, 1931」
...And none too soon: the vibration indicator in the palace vault told usthat only two feet of rock separated us from the burrowing monsters!...
Various 「Astounding Stories of Super-Science September 1930」
...Six, sevenhundred miles an hour the Nomad's indicator showed, as they swung inbehind these ships of Europa...
Various 「Astounding Stories of Super-Science, November, 1930」
...Bell kept his eyes on the bank and turn indicator,glancing now and then at the altimeter...
Various 「Astounding Stories of Super-Science, June, 1930」
...He signaled for more and more slack as the depth indicator showed hehad burned, or disintegrated, his way down to thirty feet beyond theoriginal bottom of the hole...
Various 「Astounding Stories of Super-Science, June, 1930」
...The speed indicator showed six hundredmiles an hour, and the tiny spot of light that traveled over the chartto indicate our position showed that we were nearing Buffalo...
Various 「Astounding Stories of Super-Science July 1930」
...We were more than a thousand milesfrom our starting point and the speed indicator read seven thousandmiles an hour...
Various 「Astounding Stories of Super-Science July 1930」
...Theirair speed indicator was capable of registering eight hundred miles anhour...
Arthur J. Burks 「Lords of the Stratosphere」
... “Them things,” said Alfred the chauffeur, tapping the speed indicator with his fingers, “them things are all right for the police...
Andrew Barton 'Banjo' Paterson 「Three Elephant Power」
... So what does Henery do? He fixes up the speed-indicator—puts a new face on it, so that when the car is doing thirty, the indicator only shows fifteen, and twenty for forty, and so on...
Andrew Barton 'Banjo' Paterson 「Three Elephant Power」
... and the pace would very near blow the whiskers off old John; and every now and again he'd look at the indicator...
Andrew Barton 'Banjo' Paterson 「Three Elephant Power」
...Old John has a blink down at the indicator...
Andrew Barton 'Banjo' Paterson 「Three Elephant Power」
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