Fs 
ait 
be 
ve 
292 ANIMAL REPRODUCTIONS. 
‘ however, in proportion to the fize of the fnail. 
‘It comprehends numerous nerves; and al- 
‘ though they have been accurately defcribed by 
© the celebrated Swammerdam, it does not feem 
‘ totally unconnected with our inquiry to enu- 
‘ merate them here: obferving however, if there 
‘ fhould be any trivial difference, that the fault is 
‘not to be afcribed to another, but I will rather 
‘be content that it is attributed to my inferior 
« dexterity in examining objects fo minute ; and , 
‘ more particularly, as, in the courfe of this in- 
‘ veftigation, thinking myfelf able to diftinguith 
* the objets without any hazard of error, I have 
¢‘ ufed no magnifier to increafe them above their 
¢ natural fize. ! 
‘ OF the nerves that divaricate into the head, 
¢ fome proceed immediately from the brain, others 
« by means of a ganglion formed of the lobes of 
‘ the brain itfelf, which they inveft according to 
‘its different pofition, fometimes the anterior 
¢ portion of the ovular globe, and fometimes the 
‘ cefopliagus. They are little larger than a millet 
‘ feed below and alfo behind the globe.  Fol- 
lowing the order of diffection, we fhall firft 
‘ fpeak of the nerves of the brain, and then ‘of 
* thofe of the ganglion. 
‘In-the brain originate twelve nerves, that is, 
‘fix on each fide, which I fhall call fix pair’: 
‘fome run behind, and others before. The 
§ firft, 
