NOSE. 
oi that *m almoft all thefe cafes, an irritation of the 
pituitary membrane affe&ts other parts; and that the pitui- 
oe is affeted fympathetically, only in the inftance o 
{neezing, or expofure to a ftrong light, even if that be ad- 
itte 
V. Pro greffive ae gaay of the Nofe.—The eye, at the 
time of ape is as e and as perfect in its ftructure as it 
S iiees peed of life; and moft parts o 
aoe ie complete in their formation, at 
the cafe is very different with the nofe, 
of oh the formation, at the time of birth, is very incem- 
mr, 
aa Tnitead of the diverfities which are obferved in the nofes 
of adults, that of the foetus and the child has almoft in- 
It is flattened, 
of she child and grown perfon. The back openings are 
ry fhort from above downwards, and very oblique: the 
latter circumftance _ from the inclination of the ptery- 
goid procefles forwa 
The cavities of the noftrils are — for their f{mall- 
nefs: the perpendicular diameter is very inconfiderable, the 
antero-pofterior is longer, and the tran rer does not differ 
fo much from that of the adult as the o 
In the feptum, the lamina of the thmoid i is cartilaginous, 
and forms a fingle layer with that of the proper ais ge of 
e vomer is a ee eady offified. The conchez are 
ethmoid cells do a ve ear 
idal, and eer! finufes are not yet formed 
rane is lefs denfe, and its capillaries ra 
The roof of the cavity, formed b 
the fenfe and the —— of the individual, at the age we 
are now ae aes “¢ Cuivis attendenti quoque patet, 
oO qu a feat infantes tenellos facilius carere: nec 
hebetiorem rete perferre poffe alium, quam ipfum odo- 
tum. m enim ni dhuc imbeciles funt, ut fib 
i 
f 
rr ag el eore nafo magis affi- 
cerentur. nib. Fronral. 
The finufes Fs ‘a begin to be developed till fome time 
r : the maxillary does not appear before the teeth, 
and its developement coincides with that of thofe organs, 
but is not fo rapid. The frontal and {phenoidal do not be- 
gin to appear until after the maxillary. All of them are 
rmed very flowly, and they are by no means of their full 
fize, when the growth of the sae in general has ceafed. 
The change of the voice at puberty, and after testou 4 is 
“ endent of any peculiar developement of the finufes. 
The be general cavity of the, nofe has reached its full fize in 
This growth is not, 
precite 
adult age, but the finufes flill increafe? 
the organic life. ot which the funCtions ce on in old age, 
after Pe . the avimal life have partly ceafe 
e laft divifion we have antici ipated many re 
marks, a mie be arranged under the head of the phy- 
fiology of {melling. 
The nature of odours is very little underftood, and has 
been the fubje& of ee if any, experimental inveltigations. 
The remark of Haller is ftill applicable to it: ‘ Nefcie 
quomodo faétum fit, ut in falium figuras, lucis radios, aeris 
tremores, a experimentis. fit inquifitum, ad cor- 
> putea a vero, quz odorem excitant, cognofcenda, adeo ex- 
igua = ee curiofitas,”’ &c. (Elem. pA ipa t.v. 
P- 154.) notion generally entertained is, that m 
perhaps all, hedis conftantly give off a fomething, ‘called 
odorous particles or effluvia, which is e 
, whatever it be, which affe&s 
us, is of almoft infinite divifibility. A {mall particle of mufk 
will {cent a room ays, and numerous fuc- 
ceeding atmofpheres; yet there is no perceptible lofs of 
filled a room with its peculiar {mell; whence it was found 
by calculation, that a particle not heavier than ; 
have been perceived by the n ofe. Wit i 
mentions that a large quantity of papers were fcented by a 
fingle grain of ambergris, and that the odour was retaine 
at the end of 4o years; therefore, at the loweft calculation, 
a {quare inch of paper received its odour from 
of a grain. We fhall not be farpriled, after confidering 
fuch examples, which indeed are quite familiar, to read the 
accounts of travellers, who ftate that the fpicy fragrance of 
Arabia, Sumatra, Ceylon, &c. is difcovered by the nofe at 
the bea of _ miles (30 or 40, for ig eat from the 
ent, in 
ures ae 
a. a the bodies after es pee ae of Pha tale 
er = eoncludes that the odoriferous cas are more 
not, 
a - from the 
ts, » they are pcb 
cing 7 confiderable and well mar d effects on 
the human fr ot to mention the well-known aétion 
&c. have 
The siotrneratic, in ores aera 
» &c. cannot be eee 
particu 
had x hee offeetse 
of which the fmell of a cat, of see 
rated, are well known. Exam 
