gyttipathy between fpeaking and heating ^ from the Com- 
munication of other Nerves follow the Motions of the Body^ 
and even of the Spirits^ which often accompany the founds 
we hear as in the effedts of A/^^y&>^C^^* 
After the explication of the Structure andufe of the Or- 
gan^ follow the Drfeafes incident to it, where heobferves 
the method he before naade ufe of, and afiigns Bifeajes to 
the particular parts in the order they lye, as that the ex- 
ternal ear is fubjeft mofl of all to a Pain which commonly 
feizes the Cow^:^^, and the whole DuBus Qvtn to the very 
Tympanum , and is attended with P//;zS^^?;23 Erojion^ Ten* 
fiony 2l (tiACt oiWeigh diVid Pulfation ^ each of which Symp- 
toms he explains apart, afTerting Pain it felf to be the ef- 
feft of the Solution of the Continuity of its parts , and what 
fbever can prpcure thee^w^, muft neceffarily produce the 
other. 
The fecond Difttmper is the Inflamation of the DuUtis, 
caufed either by the obftru£tion of the Glandules> the Acri- 
mony of the Humours or fometimes by Wormes , which are 
either generated there Equivocally , or more probably 
hatched out of JE^j- o( Infers ^ which flying about in the 
airinvaft numbers may not unlikely lay them in thei'^r. 
The third Difeafe of this part is Its obJlruSion, proceed- 
ing from different caufes , as from bodies accidentally 
gotten into it, from the abundance and petrifying of the 
IVaxyftom a prseternaturali/^iw^^^^w^jCarneous Excrefcences^ 
or fwelling of the Glandules. 
The diilempers of the Drum are its FlaccidnefsAts grow- 
ing Callous> too great Tenfion^ and breaking, thofeofthe 
internal Ear are the C^wj* of the bone, and inflammation 
of the Membranes \ The Nerve is likewife fubjed: loO^- 
ftruHion^ or CompreJJion. Laft of all he difcourfes cf the 
noife in the i'^r which is a Sy/w/^^^w^ attending moft of the 
Difeafesofit. The C<^^/ he brings for the confirmation of 
all this , as likewife the remedies may be firft feen in the 
M m 2 
