SECf.IV. EJUS PH^NOMENA. 2?5> 



de (Z') tenentur & immoti, folse fere coflfe moventur. Solse etitim coftae 

 fpiritum adducunt? quotics in revoluto homine, aut innixo manibus > 

 pondus vifcerum abdominis di:iphragnia in pettus reprimit. 



Poiro eciam in fano homine frequentifhme mufcuh intercoftales labo- 

 rant , quotics aut, ambulat , aut hbore fe exercet ? aut quamcumque ob 

 caufam ' celerius refphare (r) cogitur, aut pondus elevat, 6c in vincenda 

 refifientia enititur. 



Kanc ob caufim intercoftales mufculos organum refpirationis violentse 

 fecerunt veteres ((i). Etfi enini diaphragma vahdius eo in llatu opera- 

 tur, 6c defcendit magis, manifelio tamen, etiam in viris, coftas elevari 

 videas. Aves, ahoquin vero diaphragmate deftitutae, fohs coftis refpi- 

 rant , quas vidcas vahdiffime fuftolh(f), ftcrnumque a vertebris recede- 

 re (/). Membranas enim , quse eorum animahum vifcera diffepiunt, verae 

 membranae funt , mufculofae naturae expertes. 



Hinc diaphragmate refe(5lo tamen coftse elevantur (^): Hinc phrenico 

 nervo recifo , neque fuperiora thoracis a motu cefiant(/i), neque in noflris 

 experimentis ima , & foh mufcuh incercoftales demum , a magnis vi- 

 ris, infpirationi perficiendae pares seftimantur (fc). Hinc coftis in cadave- 

 re elevatis flammaintra os forbetur (/)• Hinc, cum refpiiatio langueret? 

 eadem , mufcuhs intercoftahbus oleo vitrioh ta£lis , fufcitari pctuit On ). 



Minime oportet hic G a l e n i experimenta prsetermittere , qui mufcu- 

 lorum inter coftas pofitorum efficaciam ejufmodi experimentis cojifirma- 

 vit, quibus eos mufculos deftruxit, 6c vitia adnotavit, quae ab ea vio- 

 lentia in refpiratione nafcuntur. Ergo refeftis iis mufcuhs animal obmu- 

 tefcit , 6c refpiratio perit ( ?; ) , 6c tanta pars refpirationis Iseditur , quan- 



ta 

 • 



(t)\ViNSLOw 1758. p. (J8. 



( C ) BORELLUS prop. 84. 



(d) Galenus de auf. reffir. F A BR t ciu s 1. c. C. 10. 11. Vide Kuhnbavm 1. C. 

 p. 9. In leni rcfjiratioiie p.irvus coftarum niotus eft , inagnus in morbo &C motu MoNROO 

 boK^s p. 243. 



( e ) FABRlCIUSp. 43.?0. SVTAMMERDAM p. 84. 



(f ) M E R V apud tlu H A M E L p. 160. 



\g) 1-xp. 7. 8. &c. Lamzwerde rfpir. Swammerd, exffir, p. 33. Blas mifceU.f, llf.Si 

 fit-rno ablato Wepfer cic. p. 303. 



( /1 ) G V L e N. aiinin. anat. L. VIII. C J. 



( k) Sknac Mim. de l'Aced. da fcienc, 1719. p. 130. 



( / } V E R R Y s T de refpir. p. i6. 



(m) KuHNBAUM de refpir. p. I J . 



( ii ) Admiiiijh. atiat, L. Vill, c. 3. 4. y. 



