Variations

through earlier Precocity. activity. Increase in fertility, Variations through exaggerated activity. etc. Variations through stronger Vigor, immunity from diseases, etc. activitv. To this list De Varigny adds Chemic Variation. V., Double, the double current produced in a muscle by the pa age of a single induction-shock. V., Negative (of a muscle-current), the diminution of the muscle-current caused by stimulation of the motor nerve.