...These delays, and the frequent heavy rains, greatly retarded the progress of the travelers... 
David Livingstone 「Missionary Travels and Researches in South Africa」
...These tools of foresters were almost always required; but the advance of the expedition was often retarded by the unwillingness of the Sepoys and Johanna men to work...
Henry M. Stanley 「How I Found Livingstone」
...By such a state of things, the progress of Christianity and civilisation must be rather retarded than advanced...
Horatio Bridge 「Journal of an African Cruiser」
...The spread of this pest has been retarded, but the gypsy moth neverwill be wholly stamped out...
William T. Hornaday 「Our Vanishing Wild Life」
...Possibly these late birds come from someremote district, where exceptionally cold weather had retarded breeding-operations...
P. L. Sclater 「Argentine Ornithology, Volume I (of 2)」
...If they areallowed to get too warm during this time the germmay be killed while if the temperature is too low,development will be retarded...
Harry M. Lamon 「Ducks and Geese」
...The feet have been supposed to catch beneath the brim of thepelvis, and being retarded while the head advances into the passages, they getbent at the knee and the nose and knees present...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...As the end approaches emaciation becomes verymarked, the blood is very thin and watery, and the closing of any wound of theskin by clots is retarded...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Some experiments mightalso be made on butterflies; and, perhaps, an animal might be foundwhose retarded fecundation would be attendedwith the same effects asthat of queen bees...
Francis Huber Anonymous 「New observations on the natural history of bees」
...I have retarded the development of the chrysalis by colduntil the present time...
Lucy Foster Madison 「Bee and Butterfly」
...Where the general intellectual development of a people is retarded, the emotional manifestations are of necessity correspondingly conspicuous...
Sidney L. Gulick 「Evolution Of The Japanese, Social And Psychic」
... If alcohol be present this change is much retarded, andin some cases is entirely prevented...
Henry H. Snelling 「The History and Practice of the Art of Photography」
...In such cases desiccation is retarded, streaks and patchesare formed on the painting, and the odium of ill drying falls upon someunlucky pigment...
George Field 「Field's Chromatography」
...It movedslowly, retarded by distance, but it was almost to the gate; and thenit reached there...
Various 「Astounding Stories, July, 1931」
...Hence the rotation takes placeagainst a pull, and is therefore more or less checked and retarded...
Oliver Lodge 「Pioneers of Science」
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