10 THE DOGS OF THE BEITISH ISLANDS. 



to the degree of their effect, into laxatives acting mildly, and drastic purges acting 

 very severely. 



1. STRONG APERIENT BOLUS. Calomel, 4 grains; jalap, 14 to 20 grains. 

 Linseed meal and water, enough to make one or two boluses, according to size. 



2. A GOOD APERIENT BOLUS. Blue pill, | scruple; compound extract of 

 colocynth, 1 scruple ; powdered rhubarb, 5 grains ; oil of aniseed, 2 drops. Mix, 

 and give to a large dog, or divide into two or three for medium-sized or smaller 

 ones. 



3. CASTOR OIL MIXTURE. Castor oil, ^ pint; laudanum, ^ ounce; oil of 

 aniseed, 1 drachm; olive oil, 2 ounces. Mix, and give one, two, or three table- 

 spoonsfuls, according to the size of the dog. 



4. PURGATIVE INJECTION. Castor oil, f ounce ; spirit of turpentine, 2 

 drachms ; gruel, 6 to 8 ounces. Mix. 



ASTRINGENTS 



Cause contraction in those living tissues with which they come in contact, 

 whether in the interior or exterior of the body ; and whether immediately applied 

 or by absorption into the circulation. They are divided into astringents adminis- 

 tered by the mouth, and those applied locally to external ulcerated or wounded 

 surfaces. 



1. ASTRINGENT BOLUS USEFUL IN DIABETES OR HEMORRHAGE. Powdered 

 opium, 2 to 3 grains ; gallic acid, 4 to 6 grains ; alum, 5 to 10 grains ; powdered 

 bark, 10 grains ; linseed meal, enough to form a bolus, to be given to a large dog 

 (or divided for a small one) two or three times a day. 



2. ASTRINGENT WASHES FOR THE EYES. Sulphate of zinc, 5 to 8 grains ; 

 water, 2 ounces. Mix. 



Or, goulard extract, 1 drachm ; water, 1 ounce. Mix. 



Or, nitrate of silver, 2 to 8 grains ; water, 1 ounce. Mix, and drop into the 

 eyes with a quill ; or wine of opium to be dropped into the eye. 



3. WASH FOR THE PENIS. Sulphate of zinc, 6 to 10 grains ; water, 1 ounce. 

 Mix. 



Or, chloride of zinc, f to \\ grains ; water, 1 ounce. Mix. 



4. ASTRINGENT OINTMENT FOR PILES. Gallic acid, 10 grains ; goulard 

 extract, 15 drops ; lard, 1 ounce. Mix. 



BLISTEES 



Require great care in their application to the skin of the dog, and should never 

 be used without a muzzle, which may only be removed during feeding time. Before 

 applying them, cut off the hair with scissors from the part to be blistered. 



1. ORDINARY BLISTER FOR PURPOSES OF COUNTER-IRRITATION. Powdered 

 cantharides, | ounce ; Venice turpentine, 6 drachms ; lard, 3 ounces. Mix, and rub 

 in with the hand. 



2. SWEATING APPLICATION FOR ENLARGED GROWTHS. Eed iodide of mercury, 



