TABLE OF CONTENTS. xi 



(j.) MOLLUSKS. 



Giant Cuttle-fish found on the Grand Bank, December, 1874, 351. 



(k.) RADIATES. 



Have Jelly-fishes a Nervous System ? 348. 



H. BOTANY (ccx) 361 



Floras : Modern and Tertiary Floras, 361 ; Catalogue of the Flora of Ne- 

 braska, 362 ; Vegetation of Amsterdam and St. Paul's Islands, 362 ; List of 

 North American Alga?, 363 ; Botany of the Libyan Desert, 363 ; Fossil 

 Flora of the Western Territories, 364 ; Distribution of the Ferns of North 

 America, 372 ; a Buried Forest in Orwell, England, 372. 



Publications : Proposed "Work on American Forest Trees, 377 ; Fossil 

 Flora of the Western Territories, 364 ; a New Work by Mr. Darwin, 375, 

 377 ; New Work on Medicinal Plants, 378 ; Revision of the Tulipese, 371. 



Vegetable Physiology : Maximum and Minimum Temperature at 

 which Certain Seeds will Germinate, 364; Assisting the Germination of 

 Seeds, 364 ; Absorption of Oxygen by Plants in the Dark, 365 ; Transfer 

 of the Albuminoids of the Seed into the Plantlet, 365 ; Effect of Chloroform 

 on Vegetable Infusions, 366 ; Effect of Solutions on a Growing Vine, 366 ; 

 Heat and Vegetation, 367, 368 ; the Respiration of Leaves in the Dark, 

 369 ; Stimulating Action of Camphor on Plants, 375 ; Influence of Ammo- 

 nia on the Colors of Flowers, 376 ; Fertilization of a Fern, 378. 



Constituents of Plants : Iodine and Bromine in Fresh-water Plants, 

 370 ; Organic Substances in the Plant, 370 ; Resin in the Agaric, 371 ; Os- 

 txuthin, a New Vegetable Principle, 371 ; Coptine, 372; Colors of Flowers, 

 376 ; Chemical Composition of Plants, 372. 



Particular Plants : the Bladderwort a Carnivorous Plant, 374 ; New 

 Species of Glaucium, 374 ; Hollyhock Fungus, 376. 



I. AGRICULTURE AND RURAL ECONOMY (ccxx) 379 



In General : Austrian Plan for Supplying Agricultural Text-books, 380. 



The Soil : Removal of Acid from the Soil by Oil-producing Plants, 380 ; 

 Absorption of Ammonia, etc., from Solutions by the Soil, 383. 



Manures and Fertilizers : Continued Supply of Guano, 380 ; Artificial 

 Guano, 381 ; First Annual Report of the Massachusetts Inspector of Fertil- 

 izers, 381 ; New Guano Deposits in Peru, 382 ; Chemical Analysis of Fer- 

 tilizers, 382 ; Fish-guano, particularly the Fatless, Dried, so-called Polar 

 Fish-guano, 384 ; Deterioration of Superphosphates with Age, 386 ; New 

 Mineral Manure, 386; Field Experiments with various Fertilizers at the 

 Bussey Institution, 398. 



Useful Animals : Lustre Sheep, a New Breed, 387 ; Method of Retard- 

 ing the Development of Silk-worms, 387. Their Diseases: Horse-pox, 390. 



Noxious Animals : Professor Dumas and the Phylloxera, 388 ; Phyllox- 

 era Remedies, 388 ; Destruction of Earth-worms on Grass-plots, Walks, etc., 

 389; the Destruction of Small Birds the Cause of the Spread of Phylloxera, 

 389 ; the Cotton-worm, 389. 



Vegetable Products : Noxious Exhalations from the Meadow-saffron, 

 379 ; Various Insect-powders, 379; Dry Rot of the Lemon, 391 ; Preserva- 

 tion of Fruit, 391 ; New Kind of Spinach, 391 ; Best Shape for Fruit-trees, 



