524 



SCIENCE 



[N. S. Vol. XXXVI. No. 929 



372. Instruments used in preparation of fossils 



for microscopic study. 



373. Slides illustrating ancient vegetation in 



landscape reproductions. 

 HisTOEic Botany. 



374. Photographs of Noted Botanists. 



375. Reproductions of Ancient Botanic Books. 



376. Maps illustrating Routes of Botanic Travel. 

 Ethnobotany. 



377. Cultural and Medicinal Plants of Indians, 



378. Views illustrating Aboriginal Uses. 

 Applied Botany. 



( Cultural. ) 



379. Variations. 



380. Mutation (Sports). 



381. Selection. 



382. Propagation. Methods of Crossing illus- 



trated; hybrids and hybridization; cut- 

 tings; grafting; methods of seed plant- 

 ing and care of seedlings. 



383. Implements used in Agriculture and Hor- 



ticulture. 

 Agriculture. 



384. Preparation of Soils. 



385. Application of Fertilizers (Visible Results 



of Application). 



386. Cultivation of Crops. 



387. Harvesting of Crops. 



388. Preparation of Crops for Use. 

 Horticulture. 



389. Greenhouse and Greenhouse Construction. 



390. Culture of Greenhouse Plants. 



391. Floriculture. 



392. Fruticulture. 



393. Olericulture. 



394. Viticulture. 



FORESTAL. 



395. Preparation of Seed Bed. 



396. Care of Young Trees. 



397. Methods of Thinning. 



398. Character of Forest (Pure, Mixed). 



399. Relation of Trees to Soil, Light, etc. 



400. Methods of Cutting. 



401. Methods of Lumbering. 



402. Sawing and Dressing. 



403. Tools used in Forestal Operations. 



404. Gathering of Secondary Products. Fag- 



gots, Turpentine, Sugar, Fruits and Seeds. 



405. Trees in General. 



406. Botanic Landscapes. 

 Landscape Gardening. 



407. Japanese Gardens. 



408. Italian and French Gardens. 



409. Formal Gardens. 



410. Natural Gardens. 



411. Garden Plans, etc. 

 Esthetic Botany. 



412. Plants and Flowers in Decoration. 



413. Conventionalized Plant Parts for Wall- 



papers and Tapestries. 



414. Artificial Flowers, etc. 



Economic Botany. For figures of economic 

 plants and their parts, see under systematic 

 classification. 



415. Food Plants in General. 



416. Root Foods. 



417. Stem Foods. 



418. Leaf Foods. 



419. Fruit Foods. 



420. Farinaceous Products (see under histology, 



No. 335). 



421. Spices. 



422. Plants used in Textile Industries. 



423. Tanning Plants. 



424. Dye Plants. 



425. Rubber Plants. 



426. Gum-yielding Plants. 



427. Oil-yielding Plants. 



428. Building and Furniture. 



429. Methods of Gathering. 



430. Methods of Shipment. 



431. Methods of Preparation. 



432. Methods of Manufacture. 



433. Machinery. 



434. Packing for Sale. 



435. Methods used in Sale and Distribution. 

 Medical Botany. For illustrations of medical 



plants see systematically arranged slides. 



436. Culture of Drugs. 



437. Collection and Harvesting. 



438. Handling of Drugs. 



439. Packing of Drugs. 



440. Manufacture into Medicines. 

 Educational Botany. 



441. Photographs of Home and Foreign Botanic 



Gardens. 



442. Laboratory Buildings. 



443. Laboratory Equipment. 



444. School Gardens. 



445. Students at Work. 



The slides are all numbered according to 

 the plan outlined above, and if more than one 

 slide is to be classified with a given number, 

 an additional number is added according to 

 the decimal system of card indexing. Thus 

 442.1, 442.2, 442.3, etc., would indicate that 



