... This was originally white, but constant wear over castor oil has turned it a uniform and beautiful brown... 
Stewart Edward White 「African Camp Fires」
...This would operate on the system like salts, or castor oil...
Henry Bibb 「Narrative of the Life and Adventures of Henry Bibb, an American Slave, Written by Himself」
...You may also put a small piece of beaver castor along the trail on each side of the snare, and you will be more sure of the lynx, as beaver castor is very attractive to these big cats...
A. R. (Arthur Robert) Harding 「Deadfalls and Snares」
...If you are using some other scent instead of beaver castor, just dip a small stick in the scent and fasten it to the bank...
Elmer Harry Kreps 「Science of Trapping」
...Muskrat musk, beaver castor and catnip are all attractive to the muskrat...
Elmer Harry Kreps 「Science of Trapping」
...There are a number of scents that are attractive to the bear, such as fish oil, oil of anise and beaver castor...
Elmer Harry Kreps 「Science of Trapping」
...Beaver Castor is perhaps the best, but fish oil is much used by the western trappers...
Elmer Harry Kreps 「Science of Trapping」
...From the type and near topotypes of Castor canadensis rostralis, C...
Stephen D. Durrant 「Three New Beavers from Utah」
... Castor canadensis rostralis, male, young adult,no...
Stephen D. Durrant 「Three New Beavers from Utah」
... Castor canadensis duchesnei, male, young adult,no...
Stephen D. Durrant 「Three New Beavers from Utah」
...For comparisons with Castor canadensis pallidus and Castor canadensisrostralis, see accounts of those subspecies...
Stephen D. Durrant 「Three New Beavers from Utah」
...When severe or long continued, a dose of castor oil may begiven, and after its operation, give four grains of opium andone ounce chalk, and put them on dry food...
Richard L. Allen 「Domestic Animals」
...If constipation be present give warm water and glycerine enemas, and an occasional dose of castor oil if necessary...
Oliver Hartley 「Hunting Dogs」
...Salt, I may here remark, is so violent andirritating a purgative to the dog that it is next door toa poison, and the effects of castor oil in his intestineare not so very far behind...
Mrs. Leslie Williams 「A Manual of Toy Dogs」
...Most inventors of "worm pills" andthe like order castor oil to be given after their boluses,a terrible aggravation both to operator and patient...
Mrs. Leslie Williams 「A Manual of Toy Dogs」
...About one hour after the vomit, gave each one tablespoonful Castor oil...
Dinks, Mayhew, and Hutchinson 「The Dog」
...As to thequantity of castor oil which may be necessary, a moderate-sized dog with along coat will require about a pound, and a large Newfoundland four timesthat amount...
Dinks, Mayhew, and Hutchinson 「The Dog」
... in preference to castor oilor ipecacuanha...
Dinks, Mayhew, and Hutchinson 「The Dog」
...A dose of castor oil may also be administered, and the food should becomposed entirely of vegetables, if the animal can be induced to eat thiskind of diet...
Dinks, Mayhew, and Hutchinson 「The Dog」
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