The wings are usually first attacked, or paresis comes on in wings and legs at the same time.
"On Snake-Poison: its Action and its Antidote"
A. Mueller
That under the powerful combination of causes, each of which is in itself sufficient to endanger life, and greatly intensified as paresis gradually deepens into paralysis, the heart, even of large animals, succumbs in a comparatively short time, may be readily understood.
"On Snake-Poison: its Action and its Antidote"
A. Mueller
This truly pathognomic condition is never absent, and becomes intense when paresis becomes intensified into paralysis.
"On Snake-Poison: its Action and its Antidote"
A. Mueller