PHYSICAL ann LITERARY. 449 
found farther foreward than the angles of the 
ribs. 
NEAR to the flernum, the cartilages can- 
not be brought nearer ; and therefore, when 
they are raifed up, HL, the fibres of the 
interal intercoftal may be fhortened, becaufe 
the angle HML is made lefs: but, if there 
were fibres of -the-external intercoftal here, 
as GM, they would be made longer, becaufe 
the angle GHM is enlarged by raifing the 
ribs; and therefore no external intercoftal 
mufcles are placed at this forepart of the zho- 
1aX. 
L1ll ART, 
