... The effect of the politeness of the officers and men on their minds was most beneficial... 
David Livingstone 「Missionary Travels and Researches in South Africa」
...I pointed out how they might be mutually beneficial to each other by the exchange of canoes and cattle...
David Livingstone 「Missionary Travels and Researches in South Africa」
... or what is beneficial and necessary for you? Once again...
Henry M. Stanley 「How I Found Livingstone」
...As stated above, shelter and nyumbo proved beneficial...
David Livingstone 「The Last Journals of David Livingstone, in Central Africa, from 1865 to His Death, Volume II (of 2), 1869-1873」
... There is reason, therefore, to doubt whether the labors of white missionaries, in the territory over which the colonists exercise jurisdiction, is, upon the whole, beneficial...
Horatio Bridge 「Journal of an African Cruiser」
...I had not long enjoyed the excellent society to which I have referred, before the light of its excellence exerted a beneficial influence on my mind and heart...
Frederick Douglass 「My Bondage and My Freedom」
...Wherever these efforts havesucceeded, the results have been beneficial to man...
William T. Hornaday 「Our Vanishing Wild Life」
...As penguins' eggs are very good to eat and agreat luxury, as well as being beneficial to menliving under Antarctic conditions, we collected alarge number, which we stowed away to freeze...
George Murray Levick 「Antarctic Penguins」
...Thus the open, declared enmity isin reality beneficial to a species; for it is sure to cut off all suchindividuals as might cause its degeneration...
P. L. Sclater 「Argentine Ornithology, Volume I (of 2)」
...If this is thecase, it may be that the mysterious electrical influence in whichthey seem to have faith, but do not profess to explain, has exerciseda beneficial influence...
W. E. Webb 「Buffalo Land」
...They are therefore unusually beneficial birds...
Frank M. Chapman 「Color Key to North American Birds」
...Insects constitute almost their entire fare and they are among ourmost beneficial birds...
Frank M. Chapman 「Color Key to North American Birds」
...When confined to dry food, roots or apples fed once a day arealways beneficial...
Richard L. Allen 「Domestic Animals」
...From this we present a chapter of "nuggets" in paragraph form, which will no doubt prove interesting and beneficial to those interested in training hunting dogs...
Oliver Hartley 「Hunting Dogs」
...An occasional bone and a little dirt are beneficial to thecanine race, while food nicely minced and served on plates is calculatedto do harm...
Dinks, Mayhew, and Hutchinson 「The Dog」
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