It 
the Rhone. Many die of fatigue in the Pass of the Great St. 
Bernard. A traveller gives an impressive picture of his visit to 
the Charnel house, where these victims are collected. He says 
no one who has once looked through the window of this mortuary 
chamber will ever forget what he has seen; here and there upon 
the flagstones are gathered together single bones, skulls, shreds of 
clothing half buried in the dust of ages,—the remains of hapless 
travellers collected and entombed under this spacious vault. 
Against the walls lean skeletons, which stand upright on their 
rigid joints. Some of the bodies have arms raised, lips drawn 
back, and whitening teeth ; with staff stick still in hand, they 
remain in the strange attitude in which they were first found. 
There were thirty corpses thus supported. Amongst these bodies 
was seen a woman holding her child in her arms in such a way 
that she seems to be offering him the breast. Fascinated, one’s 
- eye rests on the form of this mother who at the very moment of 
death hopes still to save her little one. Like a ray of heavenly 
light her mother love illumes the darkness, and relieves the horror 
of this charnel house. 
Whilst on the subject of fatigue caused by severe or pro- 
longed muscular effort I will give an illustration of the Myograph 
tracing, and the ergograph tracing. ‘There are various instruments 
in use at different colleges. Perhaps the simplest is the one 
bearing the name of Helmholtz. A frog is killed; the thigh bone 
and gastronemius muscle are dissected out with the Sciatic nerve 
attached. A moment’s explanation with a lantern picture will 
give by far the best impression. 
(a) Forceps for holding frog’s femur. 
(4) Gastronemius muscle. 
(c) Sciatic nerve attached to muscle. 
(2) Scale pan. 
(e) Marker recording on cylinder. 
(g) Cylinder covered with smoked paper and revolving by 
clockwork. 
(7) Counterpoise. 
When all these: details have been arranged an electric shock 
is sent down the nerve which immediately causes the muscle to 
contract, raises the pan and moves the marker which leaves its 
record on the smoked paper. 
MuscLe CurvE. EXPLAIN. 
(m) Represents the curve traced by the end of the lever in 
connection with the muscle after stimulation by a single induction 
shock. 
(2) The middle line is that described by a lever which 
indicates by a sudden drop the exact instant at which the induction 
