TA4ENTA. 349 
When the patients are not less than six months old, and of medium or lar- 
gest size breeds, whether the medicine is to be in one dose or in divided doses, 
the right proportion of calomel would be five grains. For smaller subjects 
excepting toys, the dose should be three grains; and for those little ones, one 
grain. 
As for the quantities of male fern that ought to be employed with the 
calomel, they may be the same as those which would be right if the oil was 
to be used alone. For example, with mature dogs of medium size, and the 
dose to be one only, as advised in the foregoing, it should consist of twenty- 
four drops. Or were the oil to be given in small doses, and one every five 
minutes to be the rule, then the entire quantity would be thirty drops; and it 
would be the same were the male fern to be administered with calomel. 
Calomel stimulates the intestines, and by the action excited, their contents 
are being constantly moved downward, so that shortly after the last dose has 
been administered the tape-worm is often expelled without the aid of castor- 
oil or other cathartic. 
Another happy combination is areca nut and male fern, more destructive 
to the tape-worm than the latter alone. For mature dogs of the largest breeds, 
the right dose is one drachm of the former and one-half a drachm of the latter. 
For dogs of breeds of medium size the proportion should be about forty grains 
and twenty drops; for dogs about the size of fox-terriers, twenty-five grains 
and ten drops; and for toys, eight grains and four drops. 
Male fern, a very disagreeable oil, may be given while floating on milk, but 
it is best to enclose it in capsules; for aside from the administration then being 
easy, there is much less danger of its causing vomiting. Invariably it ought to 
be followed, in the course of one hour and one-half or two hours, by a gen- 
erous dose of castor-oil if the bowels do not move. 
The question as to essential quantity of castor-oil may disturb some, hence 
the advice that for puppies six months old and of medium or large size breeds 
it be one tablespoonful ; for fox-terriers and the like, one-half a tablespoonful, 
and for toy terriers, one teaspoonful ; while for all mature dogs, doses twice as 
large would be right were the subjects strong and hardy. 
Combined with jalap, areca nuts acts better in cases of tape-worm than 
alone; and it can be rendered still more powerful and destructive by the addi- 
tion of santonin; also without safety being at all impaired. When given 
together, the proper proportions of each are as follows: 
Areca nut, forty grains; santonin, three grains ; compound powder of jalap, 
ten grains. 
This may be made into one or two large pills or boluses, or given in milk. 
It is one dose for a dog of medium or large size, and one-half would be right 
for dogs of about the size of fox-terriers. As for toy terriers, there are other 
remedies better adapted to them. 
