88 UNCLASSIFIED PUBLICATIONS [BoT. Absts., Vol. IX, 



Provincial, Native State and other agriculturists composing the Board of Agriculture in India. 

 Among the subjects discussed are: Necessity for investigation into the conditions of nitrogen 

 fixation in Indian soils; the maintenance of soil fertility under improved methods of agri- 

 culture; the advisability of the Agricultural Department undertaking to prepare popular 

 bulletins describing improved methods of agriculture, and school readers containing lessons 

 on agriculture; the conservation of by-products for fertilizer, from various industries; and 

 the permanent experimental plots at the Agricultural Research Institute, Pusa. — 

 Winfield Dudgeon. 



5G9. Mackenna, J. Annual report on the progress of agriculture in India, 1917-18. 

 334 P-, 4 pi- Pusa, 1919. — Annual reviewof agriculture throughout British India, by the Agri- 

 cultural Adviser to the Government of India. Covers much the same ground as the 1918-19 

 report (see Bot. Absts. 9, Entry 570). — Winfield Dudgeon. 



570. Mackenna, J. Annual report on the progress of agriculture in India, 1918-19. 186 p., 

 4 pi. Pusa, 1920. — Annual review of agriculture throughout India, by the Agricultural 

 Adviser to the Government of India. It covers, among other agricultural topics: Agricul- 

 tural conditions of the year. Scientific research in the agriculture and botany of rice {Oryza 

 saliva), wheat {Triticum vulgare), cotton {Gossypium spp.), sugarcane {Saccharum officina- 

 rum), fiber plants, indigo {Tndigofera tinctoria), tobacco {Nicotiana tabacum), linseed {Linum 

 usitatissimum), sesamum {S. indicum), groundnut (Arachis hypogea), coconut (Cocos nuci- 

 fera), castor {Rlcinus communis), tea {Camellia thea), coffee {Coffea arabica), rubber, fruits, 

 fodder-crops and grasses, potatoes {Solanum tuberosum), gram (Cajanus indicus), poppy 

 (Papaver somniferum), barley (Hordeum vulgare), and beans (Phaseolus lunatus). Agricul- 

 tural chemistry of soils, manures, sugarcane storage, indigo manufacture, and miscellaneous. 

 Mycology and plant pathology, — diseases of rice, jute, sugarcane, chillies {Capsicum spp.), 

 legumes, tea, coffee, rubber {Hevea brasiliensis), palms {Borassus flabellifer and Areca cat- 

 echu), and miscellaneous. Agricultural bacteriology, — nitrification, green-manuring, nitro- 

 gen fixation, indigo manufacture, pebrine of silkworms, and sterilization of water. Agricul- 

 tural demonstration and cooperation. Agricultural education. Among the appendices are 

 lists of agricultural stations, agricultural colleges and schools, and of 143 agricultural publi- 

 cations in British India for 1918-19. [See also Bot. Absts. 9, Entry 569.] — Winfield Dudgeon. 



571. Merk, L. DasBezeichnenund Wiederfindenbeachtenswerterpraparatestellen. [Mark- 

 ing and relocating of important points on slides.] Zeitschr. Wiss. Mikrosk. 37: 42-45. 1920. 



572. Metz, C. Apertometer fiir Trockensysteme und Olimmersionen. [Apertometer for 

 dry systems or oil immersion.] Zeitschr. Wiss. Mikrosk. 37: 53-54. 1920. 



573. Metz, C. Der makroskopische Zeichenapparat. [Macroscopic drawing apparatus.] 

 Zeitschr. Wiss. Mikrosk. 37: 55-58. 1920. 



574. MiLLiGAN, S. Reviewof agricultural operations in India. 1919-20: 1-140. 3 pi. 1921. — 

 This is the annual report of the Agricultural Adviser to the Government of India. Previous 

 reports have appeared under the title "Progress of Agriculture in India." The report gathers 

 together and summarizes the work of the imperial and local provincial agricultural depart- 

 ments during the year under review, and deals with: Agricultural conditions of the year; 

 economic work on the more important crop plants; research and investigation in soils, fer- 

 tilizers, windrowing of sugar cane, prussic acid in Andropogon sorglium., diseases of crops, 

 insect pests, useful insects, and miscellaneous; agricultural engineering; district work; agri- 

 cultural education; the cooperative movement as affecting agriculture; diseases, inoculation, 

 and breeding of live stock, and veterinary education and research; publications of the imperial 

 and provincial agricultural departments; and expenditure on the various agricultural depart- 

 ments. In 6 appendices are given special data for the year: A list of the agricultural stations 

 in British India; a list of the agricultural colleges; operations of non-credit agricultural co- 



