ANALYTICAL INDEX 
TO THE 
THIRD VOLUME. 
INSTINCT. 1 Trritability (continued). p 
Instincts designed for the preservation of the individual, 7 of the left side of the heart, but that venous bload is 
lefence and offence, 7 
relating to the eens of food, 7 
construction of habitations, 9 
_ connected with hybernation, 11 
instincts for the propagation and support of off- 
spring, 13 
migration, 13 
choice of place for the deposit of ova, I4 
nidification, 14 
incubation, 14 
procuring nourishment and protection for the 
_.. young, 15 
instincts relating to the welfare of the race or of the 
animal creation generally, 15 
common to man and brutes, 15 
motives of action contrasted with intellect, 16 
congregation, 16 
imperfect societies of insects, 16 
for society alone, 16 
of males in the pairing season, 16 
for emigration, 16 
for feeding together, 16 
for some common work advantageous to the commu- 
nity, 17 
of the higher animals for various purposes, 17 
perfect societies of insects, as ants and bees, 18 
reasons for considering the actions of ants and bees as 
_ the result of instinct, not of reasoning, 20 
instances of actions of the lower animals in which 
short bn ee of reasoning seem to have been con- 
cerned, 21 
acquired instincts, 93 
instinct viewed with respect to the part it takes in the 
unceasing changes going on at the earth’s surface, 23 
free will in man, 24 
instinct viewed with respect to final causes, 25 
Intestinal Canal, see Stomach and Intestinal Canal 
Irritability 
definition and use of the term, 29 
test of irritability, 29 
question whether irritability belongs to the muscular 
fibre alone, or to the muscular and nervous com- 
bined, 29 
— drawn from phenomena observed in the 
eart and other involuntary muscles, 29 
Legallois’s and Philip’s experiments of removing the 
spinal marrow, 29 
experiment shewing that the heart may be impressed 
through the ganglionic system after the removal of 
the brain and spinal marrow, 29 
effect of narcotics on the heart and bowels, 30 
vis insita in connection with vis nervosa, 30 
new laws of action of the vis nervosa, 30 
gy of irritability not the same in every organ of the 
_ body, 30 
different degrees of irritability in different animals, 31 
relation of the degree of irritability to respiration, 31 
I. Of the pneumatometer, 51 
Il. Of the measure of irritability, 33 
difference in the duration of the beat of the heart re- 
moved from the body in the fetal, early, and adult 
States of the ny aed animals, 34 
babe ine of the beat of the heart longest on the left’ 
side, 34 
experiment showing the effect of artificial respiration 
on the heart’s beat, 34 
deduction that arterial blood is the necessary stimulus 
a sufficient stimulus of the right, 35 
the power of enduring suspended animation a measure 
of irritability, 35 ; 
observations on the irritability of the heart in hyber- 
nating animals, 35 
properties of activity and tenacity of life, 35 
source of irritability, 36 
observations of Prochaska, 36 
of Nysten, 36 
of Legallois, 37 
experiments of Miiller, 37 
observations of M. Segalas on the effects of strych- 
nine, 31 
observations and experiments of the author, 38 
explanation of the discrepancies of former au- 
thors, 39 
deductions, 40 
application ‘of the principle deduced to patho- 
ogy, 40 
influence of emotion on paralytic limbs, 40 
influence of certain respiratory acts, 40 
effects of the tonic power, 40 : 
effect of strychnine on paralytic limbs, 40 
influence of the brain and spinal marrow respect- 
ively on the anterior and posterior limbs re- 
spectively, 40 A 
cases substantiating the foregoing observations, 41 
recapitulation, 42 
experiments of Dr. J. Reid, 42 fi 
experiments testing the relation of the ganglionic 
system to the irritability of the viscera, 43 ; 
Joint, see Articulation and the articles under the headings 
of the several joints 
Kidney, see Ren. 
Knee-joint (Normal Anatomy), 44 
bones, 44 
cartilages, 45 
semilunar cartilages, 45 
ligaments, 46 
synovial capsule, 46 
mechanical functions, 47 
adjacent burse, 48 
arteries and veins, 41 
comparative anatomy of the knee-joint, 48 
Knee-joint (Abnormal Conditions of), 48 
disease, 48 ae. 
simple acute inflammation of the knee-joint or ar- 
thritis genu, 49 
example of acute arthritis genu, 54 
simple chronic inflammation of the knee, 55 
description, 55 
cases, 56 | 
chronic rheumatic arthritis genu, 57 
cases, 58 
anatomical characters, 60 a 
white swelling, or chronic strumous arthritis genu, 60 
anatomical characters, 62 . 
acute arthritis genu combined with acute osteitis, 64 
with necrosis, 64 
abscess without necrosis, 65 ee 
displacements occurring in chronic necrosis in the 
vicinity of the knee, 65 
of the tibia backwards, 65 
rotation of the tibia outwards the patella on the 
outer condyle of the femur, 65 
with the tibia displaced backwards also, 66 
abnormal conditions resulting from accident, 67 
