LECTURES 



GIVEN DURIXG THB 



AGRICULTURAL CONVENTION AT NEW HAYEN, 



FEBRUARY, 1860, 



FIBST WEEK.-AGBICULTUBAL CHEMISTEY, &c. 



AGRICULTURAL CHEMISTRY, PROF. S. W. JOHNSON. 



LECTURE 1. Composition of the Plant. The Organic Elements Oxygen, Nitrogen, Hydro 

 gen, and Carbon. LEC. 2. Proximate Organic Principles of the Plant Cellulose, Starch, 

 Dextrine, Sugar, Gluten, Albumen, Casein, Vegetable Oils, and Acids. LEC. 3. Atmospheric 

 Food of Plants Water, Carbonic Acid, Ammonia, and Nitric Acid. Their sources and supply. 

 LEC. 4. The Ash of Plants Potash, Soda, lame, Magnesia, Oxyd of Iron, Oxyd of Manganese, 

 Chlorine, Sulphur, Phosphorus. 



ENTOMOLOGY, DR. ASA FITCH . 



LECTURE 1, Great losses sustained from depredating insects their classification, structure, 

 metamorphoses, habits, and means of destruction. LEG. 2. Insects injurious to grain crops, 

 with a particular account of the wheat midge and Hessian fly. LKC. 8. Insects injurious to 

 fruit-trees, with a particular account of the Curculio and the Applc-Tree Borer. 



TEGETABLE PHYSIOLOGY, DANIEL C. EATON, ESQ. 



LECTURE 1. The vegetable cell its form, size, structure, contents, origin, and mode of 

 growth. LEC. 2. The seed, root, and stem. Nature and growth of seeds. Structure of 

 roots. General structure and minute anatomy of stems . LKC. 3. Arrangement of leaves 

 their parts, forms, structure, and economy. Food of plants. Relations of the vegetable 

 kingdom. LEC. 4. Flowers and Fruits. Arrangement of Flowers their parts and offices of 

 parts ; development of fruit. 



VEGETABLE PATHOLOGY, CHAUNCEY E. G CODRICH. 



SECOND WEEK-POMOLOGY, &c. 



PEAR CULTURE, Ho*. MARSHALL P. WILDER. 



American Pomology the best method of promoting it ; with practical suggestions on the 

 cultivation of the pear. 



GRAPES, DR. C. W. GRAXT. 



LECTURE 1. Preparation of the soil, and propagation of the vine. LEC. 2. Culture of 

 native varieties, with an account of different varieties and their qualities. Ij?c. G. Foreign 

 varieties ; culture and treatment. 

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