Porcher, F. P., reference to work, 35 Post-mortems. _See_ Autopsies. Pott, E., reference to work, 35 Power, F. B., experiments with loco plants, 26-28 Pregnancy, animals in, experiments in feeding barium salts, 62 loco plants, 41, 42 Prescott, A. B., study of Aragallus lamberti, 20 Rabbits, autopsies after barium poisoning, 57-61, 67 loco poisoning, 30, 34, 36-43 barium salts, feeding experiments, 57-62 chemicals in aqueous solutions, feeding experiments, 50-52 loco plants, ash extracts, feeding experiments, 48-49, 66-71 feeding experiments, 22, 24, 29, 30, 33, 34 in laboratory, 36-44, 48-49, 66-71 reproduction of symptoms of loco poisoning, 29, 33, 36-44, 75 Rabies, treatment, use of Astragalus kentrophyta, 35 Rabuteau, reference to work, 59 Ragwort, poisonous effects, Canada, 17 Ram, barium poisoning, autopsy, 74 Ration, daily, green food for cattle, toxic effects of loco plants, 74 Rats, feeding experiments with barium carbonate, 71 Rattle-box. _See_ Crotalaria sagittalis. Rattleweed disease. _See_ Loco disease. Reichardt, E., reference to work, 64 Reincke, J. J., reference to work, 59 Resins from loco plants, experiments, 26 Reynolds, M. H., investigations with barium, 65 Rhamnus lanceolata, supposed cause of loco disease, 10 Rocky Mountains, high percentage of barium in rocks, 54 Roscoe, H. E., reference to work, 53 Rosenthal, D. A., reference to work, 35 Rossbach, M. J., reference to work, 65 Rothrock, description of loco plants, effects on animals, 20, 21 Ruedi, Carl, experiments with loco plants and references to work, 14, 19, 29-30 Sages said to cause loco disease, 11 Salivation, result of loco poison, 12 use of barium on human beings, 63 Salt licks supposed to cause loco disease, 11 prevention of poisonous effects of Darling pea, 17 Santi, L., references to work, 59, 72