^618 INDEX. 



N. 



Page. 



Necessities, immediate, of the tlepartmeut 23 



New Jersey, au act to eucouragc tlie production and treatment of fibers in 603 



cultivation of Ahuiilon Avicennw in (500 



pleuro-pneumonia in, investigation of 400 



New York, pleuro-imeumonia in, investigation of 406 



Nitrogen in plants 71 



Notes of the year in Entomologist's report 245 



Nutrients, average in American grain 93 



average in average grain 96 



digestible in sweet com and cobs 99 



value per pound in American grains 97 



0. 



Oat-coccid blastobasis, report on 244 



Oak-leaf miner. Fitch's, report on 230 



the white blotch, report on 226 



Oats, crop for 1879 128 



seed, experiments with 487 



Oleomargarine, analyses of , 77 



Orange, case-bearing tiueid 206 



cotton stainer on 203 



insects, two new parasites on 208 



Orange-leai' uotcher, report on 207 



iNTof/i res, report on 205 



Orange trees, insects inj urious to 202 



Ores, analyses of 82 



P. 



Pale Daknima, report on 243 



Palmetto-leaf miner, report on 209 



Pathology of cattle X)lague 480 



Peanuts, crop of 1879 143 



Percentage exported of agricultural food products 97 



Percolation, continuous, apparatus for 103, 104 



Pennsylvania, pleuro-pneumonia in, investigation of 463 



Permangan ate process, for the estimation of sugars in juices 65-67 



preparation of the juice 65 



Phenomena of cattle plague during life 475 



Phosphoric acid, insoluble 75 



reverted 74 



soluble 74 



Pigs, healthy and diseased, experiments with 409 



Pine-leaf miner, report on 233 



Pitch pine retinia, report on 237 



Plague, cattle, or rinderpest, history of 472 



Plants, medicinal and poisonous, analyses of 83 



Pleuro-pneumonia, contagious or lung plague of cattle 436 



cause of the outbreak 458 



Dr. Charles P. Lyman on 4.% 



extent of its X'revalence 456 



history in this country of 437 



investigations of, in Connecticut 459 



Delav.are 469 



Marvlaad 469 



