INDEX. 



367 



Hand, an index of the mind, 295J 



convulsive, 156 



drawn away from a hot object, 



36, 253 



energetic, 164 



feeble, 158 



free or disengaged, 316 



in fright, 157 



in rest, 159 



nervous, 163 



often not expressive in art repre- 

 sentations, 317 

 straight, 160 



straight with thumb drooped, 161 

 Hands gone mad, 129 

 Handsome features, 274 

 Hartley's theory of the human mind, 



325 



Head, application of principle of con- 

 trast of small and large parts, 189 



flexion and extension, 184 



inclination, 184 



its axes described, 183 



its postures and movements de- 

 fined, 184 



measurements, 243 



method of describing movements, 



184 



movements effected by light, 98 



not free or disengaged, 144 



rotation, 184 



shape of, in idiots, Dr. Shuttle- 

 worth on, 191 



usually free, 144, 189 



weak posture of, 188 



Headaches, facial appearance of, 120 



in children, causation, 123 



Healthy activity, 233 



Heart, physical signs of its action, 14 



Heat expressed by temperature, 14 



how studied by Tyndall, 340 



Hemiplegia described, 105 



" Hercules at Rest," statue, 304 



Heredity, 43, 46, 285 



physical properties its necessary 



accompaniments, 46 



Horror, expression of, 151 



Hydrocephalus with athetosis, 199 



Hyper-extension of knuckles, 166 



Hyponasty, a mode of vegetable 

 growth, 39 



I 



Icthyosis, 138, 274 



Idiot but slightly sensitive to pain, 253 



idiot compared with an intelligent 

 man, 13, 242, 277, 278 



facial expression of, 204 



- microcephalic, 274 

 idiots' faces, Dr. Langdon Down on, 



198 



tllness may prevent expression, 59 

 111 proportion of the body, its signi- 

 ficance, 278 

 [mitation of anger, 40 

 Impressionability, 32 

 absent in young infant, 244 



consideration of its attribute 

 'time," 251 



in nerve-mechanism, 233 



its expression delayed, 228 



permanent, 33 



Impression of past nerve-muscular 

 action in face, 199 



Inability in the infant to move the 

 hand straight, 244 



Inclination of head, 184 



Inco-ordinated movements, 71 



Index of the mind, 193 



of the hand, 295 



Infant at birth described, 96, 243 



biographical sketch of, by C. 



Darwin, 342 



compared with the adult, 242 



mindless at birth, 243 



nerve-system of, 293 



table of its development, 250 



Infants ill proportioned, 278 



Inhibition, 94 



by light and sound, 100, 101 



Instinct, 234 



Intellectual face, 198 



Intellectuality of action in each facial 

 zone, 203 



of eye-movements, 222, 224 



Intelligent and non-intelligent move- 

 ments, 79 



Interdifferentiation of condition of 

 parts, as a principle, 76 



of postures, 178 



Iris nerve-supply, 215 



Irritability, expression of, 229 



Irritative lesion of brain, 106 



Iron may be magnetized, 39 



Jaw, movements of, 192 



Joy, described by Bell, 258 



expression of, Camper on, 30; 



