 Colonel Swinhoe said that the attractive power of light depended very much on its intensity, and on the height of the light above the ground. By means of the electric light in Bombay he had collected more than 800 specimens of Sphingida in one night.  The Entomologist - Сторінка 221890Повний перегляд - Докладніше про цю книгу
 | Entomological Society of London (1833-1933) - 1889 - 836 стор.
...expressed an opinion that light, if used in very out-of-the-way places, rather repelled than attracted insects ; in fact, that they required to be accustomed...electric light in Bombay he had collected more than 800 specimens of Sphinyida hi one night. Mr. JJ Walker, RN, stated that he had found the electric light... | |
 | 1890 - 856 стор.
...Hills, by means of light and " sugar. Colonel Swinhoe said that the attractive power of light depende_d very much on its intensity, and on the height of the...Bombay he had collected more than 300 specimens of Spfiingida in one night. Mr. JJ Walker, RN, stated that he had found the electric light very attractive... | |
 | 1890 - 410 стор.
...expressed an opinion that light, if used in very out-of-the-way places, rather repelled than attracted insects ; in fact, that they required to be accustomed...that the attractive power of light depended very much ou its intensity, and on the height of the light above the ground. By means of the electric light in... | |
 | James William Tutt - 1902 - 584 стор.
...beneath the electric lights on the public squares in Turin. Swinhoe states (Ent., xxiii., p. 22) that, by means of the electric light in Bombay, he had collected more than 300 specimens belonging to the Sphingids in a single night. Young observes that, at Mahdopoor, in the Punjaub, he... | |
 | 1890 - 486 стор.
...expressed an opinion that light, if used in very out-of-the-way places, rather repelled than attracted insects ; in fact, that they required to be accustomed...electric light in Bombay he had collected more than 800 specimens of Sphingida in one night. Mr. JJ Walker, RN, stated that he had found the electric light... | |
 | Sir Norman Lockyer - 1890 - 644 стор.
...the writer described his experiences in collecting insects in the Naga Hills, by means of light and "sugar. Colonel Swinhoe said that the attractive power...Bombay he had collected more than 300 specimens of Sphingidtc in one night. Mr. JJ Walker, RN, stated that he had found the electric light very attractive... | |
 | Sir Norman Lockyer - 1890 - 648 стор.
...the writer described his experiences in collecting insects in the Naga Hills, by means of light and "sugar. Colonel Swinhoe said that the attractive power...Bombay he had collected more than 300 specimens of Sf/iingidte in one night. Mr. JJ Walker, RN, stated that he had found the electric light very attractive... | |
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