xii TABLE OF CONTENTS. 



SCO; Cinchona in Jamaica, 3G1 ; Milk-troe, 3G5 ; Eucalyptus, 380; Yucca, 

 Fertilization of. 302 ; Sequoia of California, 363 ; Mistletoe, Propagation of, 

 369 ; Growth of Algoe in Aquaria, 369 ; Equisetums and Calamites, 370. 

 See also Agiucllture and Rural Economy. 



I. AGKICULTUUE and KURAL economy (cvi) 381 



In General : Tenth Report of the Massachusetts Agricultural College, 

 418. 



The Air : Detection of Organic Matter in, 381 ; Protection of Vineyards 

 in France by Steam, 381. 



The Water (including Irrigation) : Barbadocs Rain-fall and the Sugar 

 Crop, 108; InHuence of Spring ^^'atcr on Meadow-grass, 386; Failure of 

 Sewage Irrigation, 409 ; Exhaustion of Hay and Grain by Rain, 414. 



The Soil : Comparative Temperafures, 381 ; Production of Nitrites, 382 ; 

 Action of Saline Solutions ou Feldspar, 383 ; Importance of Silex in the 

 Soil, 384 ; Function of Organic Substances in the Soil, 385. 



Manures and Fertilizers : Influence of Spring Water on ^Meadow-grass, 

 386 ; Failure of Sewage Irrigation, 409 ; Effect of Different ^Manures on the 

 I'roduction of Opium, 386 ; Fish Guano, 387 ; Proposed Substitute for Pe- 

 ruvian Guano, 387 ; Curasao Guano, 405 ; Improved Use of Stable Maniures, 

 388 ; Sea-weed Manures, 395 ; Natural Phosphates, 406 ; Effect of, on the 

 Growth of Plants, 410 ; Ncav Phosphate Fertilizer, 417 ; Nitrogen in Fer- 

 tilizers, 410 ; Effect of Manures on AVeeds, 417; Conversion of Bones into 

 Fertilizers, 425 ; Artificial Humus, 405. 



Useful Animals. Food : Effect of Food on the Urine, 396 ; Manage- 

 ment and Rearing : Substitute for Milk to Calves, 390; Proper Light for 

 Stable Windows, 391; Temperature for Silk-worm Houses, 412; Diseases 

 and Treatment : Carbolic Acid in Poultr3'-houses, 389 ; Colic in Horses, 391 ; 

 Silk-worm Disease, 391 ; its Decline, 392, 419 ; its Cure, 392 ; Particular 

 Species: Breeding Rabbits for Food, 411; Rearing Ostriches for their 

 Feathers, 388 ; Hatching Eggs of Ostriches in the Incubator, 389 ; Ash- 

 colored Turkeys, 411; Silk -worm. Proper Temperature for Rearing, 412; 

 Destruction of Eggs by Bermestes, 413. Noxious Animals : The Phyllox- 

 era, or Grape-vine Louse, 293, 393, 421 ; Sulphuret of Calcium a Remedy 

 for, 394; Vermin Asphyxiator, 394; Destruction of Insects in Poultry- 

 houses, 394 ; of ]May-bugs, 392 ; Dermestes in Silk-Avorm Eggs, 413 ; Ex- 

 termination of Field-mice, 412. 



Animal Products of the Farm : Value of Unwashed Wool, 415 ; Uses 

 of Suint, 417. For Butter, Milk, Talloic, see Domestic Economy. 



Forestry : Congressional Action respecting Forests, 403 ; Influence of 

 Forests on Ozone, 426 ; Relation of Forests to Rain-fall, 70 ; to the Temper- 

 ature of the Ground, 81 ; Forest Growth in the AV'abash Valle}', 367. 



Vegetable Farm Products. T/ie Potato : Arresting its Decay, 396 ; 

 Disease in (ireat Britain, 397; AVhy no Remedy? 398 ; Alleged New Disease 

 of, 414 ; Prize for Best Essay on Disease of, 420 ; U^tilizing when Diseased, 

 396; Topping the Stalks, 422 ; Timothy Grass: Disease of, 400 ; Clover: 

 When to Cut for Hay, 416; Miscellaneous : Spontaneous Combustion of 

 Hay, 423 ; Fffcct of Time of Seeding on Grain, 400 ; Apparatus for Drying 

 (Jrain, 41(i; Preventing Fine Fruit from Rotting, 399; Hastening the Rip- 

 ening of Fruit. 415: Advancing the (Jermination of Seeds, 399; Seedling 



