Part 27

Résumé of the results of the loco-weed investigations carried on by the Bureau of Plant Industry was issued as Bulletin 121, part 3, Bureau of Plant Industry, on January 28, 1908, in the form of papers by C. Dwight Marsh and Albert C. Crawford, respectively, under the titles "Results of Loco-Weed Investigations in the Field" and "Laboratory Work on Loco-Weed Investigations."

INDEX.

Page. Abortion, cows, caused by loco poisoning, 13 rabbits, caused by loco and barium poisoning, 41, 42, 62

Acid, acetic, found in loco-weed, 26

Acqua, C., reference to work, 52

Africa, South, goat disease, 17

Alfalfa, extract, experiments, 28

Alkali deposits, supposed to cause loco disease, 11

Alkaloidal reactions, loco plants, 20, 23, 27, 28

Amaranthus graecizans, supposed cause of loco disease, 10

American Pharmaceutical Association, proceedings, reference, 10

Ammonia obtained from loco plants, 26

Ammonium sulphid precipitate, effect on rabbits, 50

Anæmia, progressing, fundamental characteristic of loco disease, 16, 19

Analyses of loco plants, 21, 22, 23, 32

Anderson, F. W., references to work, 10, 12, 14, 18, 19

Animals, carnivorous and herbivorous, varying immunity to loco disease, 23 domestic, barium poisoning, effects, 72 experiments with barium salts in laboratory, 57-62 farm, barium poisoning, effects, 72 locoed, autopsies, 18-19, 24, 26, 30, 34, 36-43, 45 clinical symptoms, 12-16 pathological conditions as described on the range, 18-19 poisoned by barium, autopsies, 57-61, 64, 67, 73, 74 young, susceptibility to loco poisoning, 15

Antelopes, susceptibility to loco disease, 12

Antidote to loco poison, theoretical, 71-72

Aragallus lamberti, ash determination, 54 barium determination, 54, 56 extracts, uses in laboratory experiments, feeding animals, 20, 23-25, 37, 42, 44-49, 66-68, 70 properties, investigations, 20-21, 23-25, 32 spicatus, study and experiments, 33 spp., cause of loco disease, 10, 20-34 uses, medicinal and toxic properties, 35

Arsenic poisoning, references, 49

Ash determinations of loco plants, 54-55 extract from loco plants, experiments, 48-52 loco plants, barium determinations, 55-57 importance of analysis, 76

Astragalus bigelowii, extract, fatal to rabbit, 38 bisulcatus, extract fatal to rabbit, 38 decumbens, extracts, feeding experiments with rabbits, 70

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