Dog 1, 17 kilos; ether anesthesia; gravity method; trikresol serum.

Dog 6, 10.95 kilos; ether anesthesia; gravity method; trikresol serum (0.3 and 0.25 per cent).

Dog 3, 10.3 kilos; ether anesthesia; gravity method; trikresol serum (0.3 per cent).

Dog 5, 6.7 kilos; ether anesthesia; gravity method; phenol serum.