Astragalus exscapus, barium reported by C. Sprengel, 53 hornii, poisonous properties, study, 19 lentiginosus, poisonous properties, study, 19 menziesii, stock poisoning, 20 missouriensis, ash content and barium determination, 56 extracts, feeding experiments with rabbits, 68-69 mollissimus, distillate, composition, 26 extracts, experiments in feeding animals, 22, 23-25, 27-33, 36-49, 70 investigations, experiments, and analyses, 21-34 physiological action, 22, 24-25 mortoni, a deadly sheep poison, 20 nitidus extracts, feeding experiments with rabbits, 38, 69 spp., cause of loco disease, 10, 19-34 total ash determinations, 54-55 uses, medicinal and toxic properties, 35 varieties containing no barium, 57 Australia, disease similar to loco poison, description, 16-18 Autopsies on animals after barium poisoning, 57-61, 67, 73, 74 loco poisoning, 18-19, 24, 26, 30, 34, 36-43, 45 Bachem, C., reference to work, 50 Bailey, F. M., reference to work, 17