( 77' ) 
«;'*.The channel of the aliments, and the fanguineous r cceptacleicon- 
fidering in b@th,/?r/?,their aptittide, both to conferve their refpe<f>ive 
humor before a fccretion be made , and afterwards to receive other 
fecretcd humors , fecondly^ their conftrudion in order to the feveral 
fecretions to be made out of it b and reducing the feveral excretory 
veffeli to their due clalTes-, averting withal, thac all humors are fecre- 
ted only by themcdiation of peculiar drainers, which he takes every, 
where to be glandule?. Then, as to the motion of the humors, he will 
allow it to be oaly twofold . the firfi, Inteftine, from whence their 
fluidity fprings j the other, Tranflacive^of a mafs of tbem : Where be 
endeavours to refute the Learned Dr T'^r/^/ow/ tripartite divifion« 
This latter motion^which he terms their External^ he afcribes to mo- 
tive fibres, which he proceeds to demonftrate in both the. kinds of vef- 
feis before named. 
And firft in his Channel of aliments, having again premifed his di- 
flindion of its contents^ into what is affumed by the mouth, and not^ 
yet altered, and what isfecreted out of the bloud,and mixed with tbat^ 
in Order to produce fome alteration in it, he propofes to confider whac. 
influence the motive fibres of all the parts of it , whether they be con- 
cerned before or after fecretion, have upon the humors belonging to. 
it) and inftances,^.»-/ in the Tongue^who^t viitftkzr Ste»o Jhe thinks, to. 
be not fo much for fpeech,3s in order to the fubidion and detrufion of 
t4ie aliments j then in the osfophagM^v/hkh by means of its fpiral fibres 
fcems adapted to continue the motion begijn by the tongue i next in 
the Diaphragm , through the carneous fibres of the lower mufcle of 
which (according to his former affertion) the paffing, he. 
fuppofe? to be by that means further conftringed : Where he endea- 
vours to give an account of the djfpnocA^ and fuch like afFeds,and alfo; 
of the Jingultm^'^^n^ obviates an objedion that might be made, from the. 
confideration of Birds, in which there is no fuch compreffion of the. 
erifice from the diaphragm, by, alledging, that the defed^ of it is fup-^ 
plied,firft, by the carneous fibres of the Craw fdefcrib'd, he fays^ by, 
Sieno) before the entrance of the meat into the ftomach then by the : 
ftrongmufclesof their ftoraach, together with the affiftanceof thelit^ - 
tle flones they fwailow, which help to grind the meat there. Then he 
further confiders, that by the help of the parts concerned in refpirati- 
on,theexclurion of the aliments out of the ftomacb is afliftcd,and their 
protruOon farther continu'ds to promote which along the trades of < 
theinteflines , and to caufe a fegregation of the purer parts of the. 
chyle into the vafAla^ea, theperiftaltick motion yields its a/Ijftancer. 
Where he takes occafjon to vindicate his fathers . dodtrinc about the 
Ftfneral of the Liver againft t^e learned Svyammerdam* Laftly be takes 
notice,that thechylCjOnce got into its receptacle,is^ with the lympha^ , 
impelled up the dndpts thoracic m into the bloud,by means of the tendons <. 
(i>f the Diaphragm, and pulfation of the intercoftal arteries > between , 
which the iiJ/si^/^Jies, 
^ 
