SECT. XXVIII. 2. ABSORBENTS. 237 



found by the finking of the water in the tubes, that the upper 

 furfaces exhaled lefs by half than the under furfaces. 



Both the dark- eyed patients, which are affefted with pulmo- 

 nary ulcers from deficient venous abforption, asdefcribed in Sec- 

 tion XXVII. 2. and the light-eyed patients from deficient lym- 

 phatic abforption, which we are now treating of, have generally 

 large apertures of the iris ; thefe large pupils of the eyes are a 

 common mark of want of irritability ; and it generally happens, 

 that an increaie of fenfibility, that is, of motion? in confequence 

 of fenfation. attends thefe conftitutions. See Sect. XXXI. 2. 

 Whence inflammations may occur in thefe from ftagnated fluids 

 more frequently than in thofe conftitutions, which poflefs more 

 irritability and lefs ienfibility. 



Great expectations in refpeft to the cure of confumptions, 

 as well as of many other difeafes, are produced by the very in- 

 genious exertions of Dr. Beddoes ; who has eftabiiftied an ap- 

 paratus for breathing various mixtures of airsorgafes, at the 

 hot- wells near Briftol, which well deferves the attention of the 

 public. 



Dr Beddoes very ingenioufly concludes, from the florid col- 

 our of the blood of confumptive patients, that it abounds in ox- 

 ygene ; and that the rednefs of their tongues, and lips, and the 

 fine blufh of their cheeks, (hew the prefence of the fame prin- 

 ciple, like flefh reddened by nitre. And adds, that the circum- 

 fiance of the confumptions of pregnant women being flopped 

 in their progrefs during pregnancy, at which time their blood 

 may be fuppofed to be in part deprived of its oxygene, by ox- 

 ygenating the blood of the foetus, is a forcible argument in fa- 

 vour of this theory ; which mud foon be confirmed or con- 

 futed by his experiments. See Efiay on Scurvy, Confumption, 

 &c by Dr Beddoes. Murry. London. Alfo Letter to Dr 

 Darwin by the fame. Murry. London. 



SFCT, 



