ii6 



INDEX 



Colour changes in Elasmobranchs, 



by H. Waring, 371. 

 Colour defect, tests in common use for 



the diagnosis of, by Dr. Mary 



Collins, 207, 416*. 

 Colour vision, fundamental facts of, 



by Dr. F. W. Edridge-Green, 410, 



522. 

 CoLSON, Dr. B., Photomicrographs 



of fungi, 434*. 

 Compensation for lack of ability, 



symposium by T. A. Rodger, Dr. 



E. Miller and Dr. J. Rickman, 

 418, 522. 



Conifer scales, anatomy of, by Prof. 



R. B. Thomson, 433, 523. 

 Continuous hardness test, by E. G. 



Herbert, 394, 521. 

 Copepoda, seasonal movements of, 



by Dr. F. D. Ommaney, 368. 

 Cornish, Dr. Vaughan, Apparent 



enlargement of the setting sun, 



374- 

 Coronagraphy, by Dr. R. L. 



Waterfield, 341*. 

 Corresponding Societies, conference of 



delegates, 446. 

 Cotton, A. D., Cladophora ball 



from Ireland, 434*. 

 Council Report, igjb-j, xviii. 

 CowELL, Prof. S. J., Aims and 



methods of nutritional science, 



409. 

 Cranfield, H. T., Liming and soil 



fertility, 443. 

 Crew, Prof. F. A. E., Genetical 



aspect of crossing over, 423. 



The sex ratio, 95, 362*. 



Crop estimating and forecasting, by 



F. Yates, 442, 524. 



Crossing over, genetical aspect of, 



byProf. F.A.E. Crew,423. 

 Crossing over, mechanism of, by Dr. 



C. D. Darlington, 423, 520. 

 Croxall, H. E., Fungi with a 



Libertella imperfect stage, 425, 



434*, 523. 

 CuLLis, Prof. Winifred, Knowledge 



of body's working the basis of 



healthy living, 411*, 474. 

 Cumberland, K. B., Livestock 



distribution in Craven, 377, 



521. 

 Cytology and genetics, report on, 



298. 



Danielli, Dr. J. F., Permeability of 

 cells, 338*, 579. 



Darlington, Dr. C. D., Mechanism 

 of crossing over, 423, 520. 



Darwin's village, historical geo- 

 graphy of, by Dr. O. J. R. 

 Howarth, 378. 



Davies, E. R., Action of light on 

 photographic materials, 335, 5ig. 



Davies, Miss G. N., Effect of zinc 

 sulphate on dwarf French beans, 



423. 523. 



Davies, J., Teaching of geology in 

 schools, 361. 



Davies, Wm., Grassland improve- 

 ment, 431. 



Davis, Prof. W., Physical properties 

 of knitted fabrics, 343. 



Davy, Dr. J. Burtt, How the botanist 

 can help the forester, 436*. 



Day, W. R., Forestry problems 

 near industrial areas, 436*. 



Death benefit and industrial assur- 

 ance, by Prof. H . Hermann Levy, 

 388. 



Debenham, Miss E. M., Stem apices 

 of Selaginella arenicola, 434*. 



Dennison, S. R., Labour trans- 

 ference, 382*. 



State control of industrial 



location, 389, 521. 



Derbyshire caves, report on, 300. 



Desclos, a., Education for the 

 community, 439*. 



Design of motor vehicles and traffic 

 safety, by L. H. Pomeroy, 394, 521. 



De-toxication of bacterial toxins, by 

 Dr, A. C. Frazer and Dr. H. C. 

 Stewart, 410. 



Developers, action of, in photo- 

 graphy, by S. O. Rawlings, 336. 



Development, genetical control of, 

 by E. B. Ford, 423*. 



Dickinson, Prof. Z. C, Co-opera- 

 tion of business men in economic 

 research in U.S.A., 385*. 



Differential geometry, by Prof. H. S. 

 Ruse, 345, 519- 



Distance, effect on apparent velocity, 

 by Dr. R. H. Thouless, 414. 



Distribution, expenses of, and con- 

 sumers' control, by H. G. 

 Self ridge, Jun., 387. 



Distribution, Irish census of. by 

 Prof. B. F Shields, 386. 



