152 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 
Course F.> — Genetics. The improvement of plants by hybridiza- 
tion. The essential facts of Mendelism, and their application to the 
breeding of plants. The origin and history of certain selected groups 
of garden plants. 
There will be a practical and viva-voce examination at which 
candidates will be expected to show an acquaintance with specimens 
of materials, &c, dealt with in the syllabus. 
Candidates will be required to bring to the Practical Examinations 
their note-books, for inspection by the Examiners, certified by their 
teachers as being the actual working notes made by them in the labora- 
tory. These note-books must be taken away by the candidates at the 
close of the examination. 
Chemistry. 
The student will be required to show a knowledge of the chemistry 
of the more important substances and processes involved in plant life, 
including common typical results of enzyme action and the chemistry 
of fermentation. He must also be familiar with the main lines of 
inquiry and the chief results obtained at Rothamsted and Woburn, and 
also with the principal recent work on soil and plant-chemistry of 
foreign stations. Proximate and ultimate constituents of plants, their 
distribution in the plant, current views as to their functions ; methods 
of investigation. Composition of the ordinary market garden and 
fruit crops, variation with soil, season and manuring. Changes during 
storage. 
Soils. — Origin, composition, chemical and physical properties of 
soils. Relation of soil to temperature and water content, effect of 
tillage operations, methods of improving soils, draining, irrigating, 
liming, chalking, marling, &c. The soil as a medium for plant life. 
Bacterial changes in soil, nitrification, denitrification, humification, 
fixation of nitrogen and partial sterilization, &c. Methods for mechani- 
cal and chemical analysis of soil, interpretation of results. Movements 
of salts in soils, drainage water, alkali soils. Soil types. 
Manures.' — Organic and inorganic manures ; leaf-mould. The 
special needs of particular plants. 
Insecticides and Fungicides. — Composition and properties of the 
chief insecticides, fungicides, weed-killers and sprays. Their mode of 
action. Methods of analysis of materials used ; adulteration. 
There will be a practical and viva-voce examination at which the 
candidate must submit note-books, duly signed by his teacher, contain- 
ing a record of experiments carried out by him. These note-books 
must be taken away by the candidates at the close of the examination. 
Entomology. 
The cockroach, external anatomy and terms used. 
The cockroach, internal anatomy, the living mechanism. 
