Class II. 2. 2. 5. OF SENSATION. i5 9 



tcrs aflerts, that the female fex become pregnant with mod cer- 

 tainty at or near the time of menftruation. This is not im- 

 probable, fince thefe monthly periods feem to refemble the 

 monthly venereal orgafm of fome female quadrupeds, which be- 

 come pregnant at thofe times only ; and hence the computation 

 of pregnancy is not often erroneous, though taken from the lafl 

 menftruation. See Section XXXVI. 2. 3. 



M. M. Opium a grain every night. Chalybeates in very 

 fmall dofes. Bark. Sea-bathing. 



5. Infenfibilitas artuum. As in fome paralytic limbs. A great 

 infenfibility fometimes accompanies the torpor of the fkin in cold 

 fits of agues. Some parts have retained the fenfe of heat, but 

 not the fenfe of touch. See Seel:. XVI. 6. 



M. M. Friction with flannel. A blifter. Warmth. 



6. Dyfuria infenfitiva. Infenfibility of the bladder. A diffi- 

 culty or total inability to make water attends fome fevers with 

 great debility, owing to the infenfibility or inirritability of the 

 bladder. This is a dangerous but not always a fatal fymptom. 

 See Clafs III. 2. 1.6. 



M. M. Draw off the water with a catheter. Afiift the pa- 

 tient in the exclufion of it by compreffing the lower parts of the 

 abdomen with the hands. Wine two ounces, Peruvian bark 

 one dram in decoction, every three hours alternately. Balfatu 

 of copaiva. Oil of almonds, with as much camphor as can be 

 diflblved in it, applied as a liniment rubbed on the region of the 

 bladder and perinseum, and repeated every four hours, was ufed 

 in this difeafe with fuccefs by Mr. Latham. Med. Comment. 

 1791, p. 213. 



7. Accumulatio alvlna. An accumulation of feces in the 

 rectum, occasioned by the torpor, or infenfibility, of that bowel. 

 But as liquids pafs by thefe accumulations, it differs from the 

 cpnftipatio alvi, which is owing to too great abforption of the 

 alimentary canal. 



Old miik, and efpecially when boiled, is liable to induce this 

 kind of coftivenefs in fome grown perfons ; which is probably 

 owing to their not pofTefTmg fufficient gaftric acid to curdle and 

 digeft it ; for as both thefe proceffes require gaftric acid, it fol- 

 lows, that a greater quantity of it is neceifary, than in the digef- 

 tion of other aliments, which do not previoufiy require being 

 curdled. This ill digefted milk not fufliciently ilimulating the 

 rectum, remains till it becomes a too folid mafs. On this ac- 

 count milk feldom agrees with thofe, who are fubjeel to piles, 

 by inducing coftivenefs and large ftools. 



M. M. Extract the hardened fcvbala bv means of a marrow- 

 fpoon ; or by a piece of wire, or of whale-bone bent into a bo w, 



and 



