I then asserted that we only know our sensations and not the excitants which produce them.
But moderate degrees of cold act as excitants of wakefulness.
Stimulants and excitants in small doses, gradually increased.
The various preparations of iron are astringents and excitants to the digestive system.
No portion of these excitants, strange to say, had leaked into his legs, for outwardly he was as steady as an undertaker.
It is now answered to this argument based on fact that the nature of these excitants must be complex.
In the normal state of this organ their action in small doses is always that of excitants.