DECEMBER 24, 1859. 
THE E CHRONICLE AND AGRICULTURAL GAZETTE. 
1037 
wh there satisfactory proof that be taken into the system in much larger|stitutes in reality no very important elemen! 
animals can produc ert prec of their ine prin- entities to supply the waste than would be requisite een 2 25 E 1 
ciple, or 15 is sometim mes call. led vital E nities, | o therwise On the other hand, the necessity for a| Lehm es that fat is one of the most im- 
any combination | l nite . of — gt ourish I | portant a — the metamorphosis of animal matter, 
the mere force of chemical attraction out tof the e body is | — calls for a I consumption f food, w and is . — in all climates a useful addi tion, to 
incapable. of effecting. I 5 eed, aware that th 
late distinguished physiologist Professor Alison con Before, — gem e diet of the Italia ian pensa: nt be 
ceived, that album ight under certain circumstances Iti is quite true, that! these —.— —— for ich brought rud agn n objection to Liebig’s ain 
be generated in blood through the f 8 not only t that farinaceous m atters 
gaseous nitrogen ; but no direct proof, I think, has ever | mysteries conn rage d with diet and nutrition ; that fr | form the staple. of his food, 
n adduced that such iw e case : and I am therefore - not explain, for instance, various idios that the EZ 
mai 
enunciated (s (see 
fh ith 
uch as the repugnance felt iy. iive 
ference of others to | 
b. 72 rm that 
Aira in vain, w not have 
taken so much — to provide Pene without a supply 
of the ingredients i in question, if the unassi isted powers | 
vegetable over animal food, the Sana —.— which 
e people experience from articles generally eaten 
- 3 the reasons for whic, as Mr. Lewes 
ugges can perhaps only hope to discover by the 
itll „For indeed do 7 find that this supposition has 
amongst fed to the aui notwith- | 
P 
due 
e. ho 
xcd than vould be E not f for the animal 
heat necessa! NM generated in such — but 
on of » carbonic acid given off 
ar poate Me 
And after all, the starch and * consumed by a native 
of the bre uth falls far short, in, point. of qu a 
il 
as — to desert the secure pond of demit for 
— eminent nent individual xd 
bad Tj 
the heat-producing materials found in the train 
blubber which are necessary for the health of the 
uimaux. 
| , Although fixed oil contains as 
been expected, that he should have p 
} 11 
first suggested it. 
eading proposition indstel a 
Liebig's w Work — to the " Food of Animals," Which, 
compe ae , namely :— 
lst, that o — ng the materials of the blood; and 
3nd, that of generating animal heat. For the former 
purpose a otised materials are requisite, but for the 
zotised principles taken into the system are 
Geh "vegetable fibline, vegeta albumen, and 
table caseine in le egumin 3 which I shall sti ill take 
int 
| reach, — lved b 
— more potent aid of physiology. 
To nstance, that — z- E ng to some €— 
modifeation i in the: - ciples estion, that mutto: 
ison upon one viride and pork upon 
tr i 
end of the dificil, and perbaps only t ends to 
he pat ath, 
a 
roles isin both — 
f car 
and other: 
— 4€ elted butter, 
], in addition to the hind. prera — er a large ox 
| natives of thes tri s was the case w 
t is s said, may b 
ins tinct i in savages, whic 
draw u asi ide from 
riods of fast to „ ubich their mode of life 
the mie: y, for convenience’ 
of proteine- — without meaning to 
— the existence of any common base or ze 
present in them a 
problem before u: 
Withont Therefore dismissing our guide as incom- | accom 
petent, until we have 
f leading | 
ll, but regarding them at least 
pia psn bodies, and as identical 
5 
e chemists 
us further on our quen let i m nfine o rselves 
hich have bee 
the truth of the general 2 which lie at 
fibrine, animal albumen, mnd animal cas 
nazotised nci n the con — consist of 
ntaining much 
prt 
sta: —— sugar, oils, and oth er les coi 
the i of onr inquiries. 
It is observed, “that although the frnits eaten in 
ingly 
supposed rig militate i 
y 
ong peri 
— them. 
But what shal the statements of well - 
informed travellers, ‘dhe = us that 20 Ibs. t flesh 
food 
won ri 
wofo providing for the pro- 
ton of — animal hent, m for makin ng es the waste 
t 
oil ea n polar regions, yet tha 
Neapolitan T voe oil than the AS nd that thei 
'bonised substance; whilst the 
—— iin 
ei 
of — 2 if e can o long 
this, either that the only material i . 
assimila is of only 
material which can generate animal heat is destitute 
azote. 
Although — insi fatty, and reyes — 
iefly 
| furnishing in superabundance dut vay Sint perio his 
climate renders so undesirable ’” 
On sas 
Eo v ratory, | 
— | 
+} 
t the Sicilian -— fo! 
il a constitute the ordinary allowance of 
f the inhabitants of any one of 
rmer regions of the globe? E the Hot- 
an Euro 
ery day, manifest 
ibed to him 
the w 
| tentot pe posce yd if in gle service 
settler, and — yt d eal e 
the same v which i 
when in a — X. eco and obliged to trust to 
chance for subsist. ence f On the other. hand the ex- 
other hand, alth ough | a diet chiefly 
of v etables i is considered more ADEO iat 
N of hot climates, yot the e ies 
chiefly on raw meat ; - fiver er on the Pampas or in 
fond hi e been 3 by the inhabitants of hot 
countries to the "y — Bees ables, are for the 
det part confin red t o perso the habitual use of 
which are pre n the animal body nly | the prairies of North erica scarcely ever touches | 
to the ——— of animal heat, it — — eee read or vegetables; ini the Hottentot gorges 
that t ma ribute also tos other ends, and | self 1 amount of en which wonld se 
i —— going farther, it is certain that fatty | even in the coldest climate of the 
r, combined wi ke si per centage of a| Now ^ weig 
(oam ingredient, in fact cone kate nn a = always i 
portion of the cerebral matter, one — least of th an, destin uf to live in all 
"nte ns in a pe nimal. | the e entire service of the gl 
ud un ertheless as the — salar "apparatus i is that, which ext must Liv an 
is al 
parts of i the system and the most unive ersally 
it; as itis that which extends from the highest to religious, and political considerations, no less | as 
the lowest in the scale o png im where brain and e natural promptin ngs of a e ia influence the | 
individual and the — in ce for 
ition appear wanting, a us energy is almost 
evanescent, a supply of that nitrogensed matter, which 
alone is ee to make good its waste, must be 
seem excessive nthe hunter r canak endure a dE: diet, 
in the pursuit of game, : 
rapid | of 
€ it has to supply rar d f animal heat, as 
nde viel ha Pag 
of — by whi whi the former — for. 
In rt these ex xceptional cases 
be "er 
red articles of food and the Breet Of athe ers. 
If e Hin doo, for i nstance, lives on rice and butter, 
of so mm a a proportion of the jer in differen 
blish, namely that "the quantity ity of 
oa 
Liebig has neve 
are capable of generating 
ly points o out that i e la 
, namely the Carniv 
must be dini kept. up 
es, an 
wp | barely 
fand 1 
eas rat use of — food; 
1 
meat will support the system 
ni and vegetable sis € vmi of t 
ney to create a greater 
bs to 
in * where the Fitoi induced | by the heat 
iie Qe ale te of the 3 
ns those pue s vid would have better enal abi 
him to cir it good. 
TENETE 
Iti orthern 
1|do not E “nike 25 E subsist on train 
and | W. t travellers agree in aseri 
ed then em a a erie di tion o 
| requ 
e, that the inbabitants of nort 
hy and 
^ blu bber; ibing t to 
uired by the i inhabitants of warmer es. 
have their x pest a day, 
iii eg diet, par an amount of animal food, 
in in ges mek ts MS eda broth, bacon, salt 
„sufficient to keep an Englishman in health, 
| required for the demands made upon his system i in con- | 
He 
ene containing much carbon withou 
venience or sense of ene hos the 5 erik ure e of 
y [s climate is even in summer from 10? to paf below 
is 
that of the human body, so a certain moun nt of 
in w ich t th 
Ao find, that «Bort 
ist, as one | 1 
s 
making, had gi 
s nerd ce," after . that t this e rcd 
found the tru pathva y through which the problem 
be explored, the author should nevertheless 
— | th 
ey Besides, the 3 f car i vid fe 
must be i 8 to the se em of 
oot Tesi G nd the") ter, although 
ge | by the e temperaturo, can 8 all en 
except in hybernating animals or in extrao 
ca di 
recollected tha 
seasons of the 
in respiration 
e 
every species of 
digest is convertible | m 
is founded upon qot 
+} 
th t 
sumes, it is true, vegetable oils re ware pa gor of carbon img - " in the blood 
incon- | and t He estimat 
point go towards 
Lie Kr then proceeds to calculate, what would 
be the amount of heat generated b daily 
e the n present in the 
food alowed iti D a «Hessian soldier e 13.9 ounces, 
which is the system y 24 am 
aee es with yg and again r the 
tien day. g to 
13.9 ounces ofa 
require 3 Eum Or this unti 14 
evolve 197,4 t. quan 
the body, ELOT 
to the conversion of water into 
decere: 
that 
be generated in the 
sed 
ate more 
ich m 
to sugar, and 3 Sappia the 
parr vee on. 
re us is, not what may ue pouty 
igencies of the system, sa what wil 
d most econo cally, a 
bs Figg the’ exi 
Tf, t p — ies A consumes only that 
quantity of farin which yields him the 
This — lation, eei is 1 of course to great 
uncertainty, on account of the dependence of - pro- 
vasa Al which editi js abstracted my 
amount ¢ of pep 2 reguisiió for up the waste of | 
bably is not more rged with 
it is linetly shown, that in order 
heat pease —— aid of oily or vd eii, 2 80 
carbon [^ de "Aram, who is 
a diet 
of Dates 
h res aot to 5 the — A rn * taki with 
itri t con- 
his xg; or mixes with hi 
ä 
* Brain consists albumen), the cerebric acid, a 
solid fatty acid erre tint — horus, and — ——— 
acid, also containing phosphorus in conjun n with oil. Fremy. 
| instead of Sk betta: eaten fa ui 
is Liebig 
pon the amount of exercise, the warmth of t he cloth. 
and the temperature and iem of ihe air. 
rr em us, for example that the prisoners in the 
well, at eee ear Munich, where la 
iair o not comune than 10.5 ozs. of 
d — 15 that those in a prison at Giessen, who 
ere deprived of all exercise, consumed only 8,5; and 
