INDEX FOR VOL. XII 



Journal of Heredity, 1921 



Agropyron Cristatum, An Unusual Type of I'rolifcration in. 

 C. V. Piper 42.?. 



Akala Berry of Hawaii. J. F. Rock, 147. 



Allen, Bennett M. Influence of the Thyroid Ciland and 

 Hyjxjphysis Upon Growth and Differentiation, 414. 



Ameboid Movement (review), 153. 



American .Association for the Advancement of Science, Meet- 

 ing of, 254. 



American Families, Better. Wilhelmine E. Key, 30. 



Anderson, \V. S. Progress in Horse Breeding, 134. 



Andes Berry, The. Wilson Popenoe, 387. 



Animal Experimentation, The Protection of, 455. 



Annual Meeting of the .Association, 144. 



Apple Trees, Productive and Unproductive Types of. Karl 

 Sa.x and John \V. (jowen, 291. 



Average Heights and Weights of Children Under Six Vears of 

 Age, 208. 



B 



Barberry, The Swazey. F. T. Ramsey, 426. 



Barbour, T. Protective Coloration, 177. 



Barker, E. Eugene. Bud Variation in the Sugar Cane, 271. 



Bell, .Alexander Graham. A Simple System of Designating 



Relationships, 210. 

 Bell, Alexander Graham. Kith and Kin, 364. 

 Belted (Dutch) Cattle. K. Kuiper, 102. 

 Bequest to the .American Genetic Association for Researches 



in Heredity, A, 428. 

 Berry of Hawaii, The Akala. J. F. Rock, 147. 

 Berry, The Andes. Wilson Popenoe, 387. 

 Better .American Families — \'. Wilhelmine E. Key, 30. 

 Bhudasof India — Toothless Type of Man. K. I.Thadani,87. 

 Birds of Hawaii, Nectar-Feeding. J. F. Rock, 281. 

 Birds, Protective Coloration in. T. Barlx)ur, 177. 

 Births in the United States, Fewer, 75. 

 Blackberries and Raspberries, Breeding Work with. H. 



Ness, 449. 

 Bodily Changes in Pain, Hunger, Fear and Rage (review), 35. 

 Breeding Earless Sheep. Chr. Wriedt, 56. 

 Breeding, The Use of the Greenhouse in Corn. Frederick D. 



Richey, 393. 

 Breeding Work with Blackberries and Raspberries. H. 



Ness, 449. 

 Brothers in College Football. R. E. Klingensmith, 287. 

 Buddhists, Heredity Denied by. O. F. Cook, 474. 

 Bud-SjKirt Origin of a New Pink-Fleshed Grapefruit in 



Florida, The. T. Ralph Robinson, 195. 

 Bud Variation in Eleagnus. C. S. Pomeroy, 227. 

 Bud Variation in the Sugar Cane. E. Eugene Barker, 271. 

 Burch, D. S. Purebred Sires Lead Rapidly to Improvement 



in Female Stock, 45. 



Calf, A Living Doublc-Hraded. William M. Goldsmith, 237. 



Calves, Color of Cross Pred. J. J. Hooper, 480. 



Calves, Growth of. J. J. Hoofier, 327. 



Carothers, E. Eleanor. The Cell Mechanism. (Review of 



Sharp's Cytology), 351. 

 Castle. W. E., and W. L. Wachter. Genetics of Hereford 



Cattle, 37. 

 Cattle, Color Inheritance in. K. Kuiper, 102. 

 Cattle, Genetics of Hereford. W. E. Castle and W. L. 



Wachter, 37. 

 Cattle, Polydactylism in. Elmer Roberts, 84. 

 Causes of Sherlding in Cotton. O. F. Cook, 199. 

 Cell Mechanism, 'I'he. (Review of Sharp's Cytology.) E. 



Eleanor Carothers, 351. 

 Chart, A (Icnetic Portrait. David Fairchild, 213. 

 Cherimoya, The Native Home of the. Wilson Popenoe, 331. 

 Chidestcr, F. K. Rabbit with Five Legs and Six Feet, 192. 

 Children by Chance or by Choice (review), 336. 

 Children Under Six Years of Age, Average Heights and 



Weights of, 208. 

 Chilean Strawberry, The Frutilla or. Wilson Popenoe, 457. 

 Chimera in Maize, A Si-ctorial. T. R. Khadilkar, 284. 

 Citrus Fruits, Improvement of (review), 353. 

 City and Country. Effects of Hum:in Environments on the 



Progress of Civili/;itior. (). F. (V:..k, (I) 110, (II) 167. 

 Coatcs, Leonanl. The Peach-.AImimd Hybrid, 328. 

 Coix and Sorghum, Waxy Endosperm in. J. H. Kempton, 396. 

 Collins, (;. N. Teosinle in Mexico, 339. 

 ( iillins, J. L. Inbreeding and Crossbreeding, 89. 

 ("ollins, J. L. Reversion in C"omposites, 129. 

 Color Inheritance in Cattle. K. Kui[xT, 102. 

 Color of Cross Bred Calves. J. J. IlcM)i>cr, 480. 



Color of W heat Kernels, The. 142. 



Coloration, Protective. T. Barbour, 177. 



Ci)m[)Osites, Reversion in. J. L. Collins, 129. 



Com;M>und Fruits in the Peach Resulting from Multiple Pis- 

 tils. R. K. Karper, 403. 



Congress of Eugenics, Second International, 219. 



Control of Parenthood, The (review), 367. 



Cook, O. F. Causes of Shedding in Cotton, 199. 



Cook, O. F. City and Country. Effects of Human Envi- 

 ronments on the Progress of Civilization, (1) 110, (II) 

 167. 



Cook, O. F. Heredity Denied by Buddhists, 474. 



Copies of Scientific Articles, 176. 



Corn Breeding, The Use of the Greenhouse in. Frederick D. 

 Richey, 393. 



Corrections in Previous Articles, 266. 



Cotton, Causes of Shedding in. O. F. Cook, 199. 



Cotton in Relation to the Yield of Seed anci Fiber, PollinatioD 

 of Pima, Thomas H. Kearney, 99. 



Cotton Leaves, Positions and Movements of. R. M. Meade, 

 444. 



Country, City and. O. F. Cook, (I) 110, (II) 167. 



Cows, Milk Production of Young. J. J. Hooper, 166. 



Crepis capillaris (.A Wild Plant of the Sunflower Family). 

 J. L. Collins, 89. (See also Page 129). 



Crinkly Leaf (Heritable Characters of Maize). R. A. Emer- 

 son, 267. 



Cron, A. B., and H. B. Vinall. Improvement of Sorghums by 

 Hybridization, 435. 



Crossbred Calves, Color of. J. J. Hooper, 480. 



Crossbreeding, Inbreeding and. J. L. Collins, 89. 



Cytology, Introduction to. Review of Sharp's book, 351. 



D 



Date Palm (See The Pejibaye — .A tropical .American counter- 

 part of.), 154. 



Datura — .An Inviting Genus for the Study of Heredity. W. 

 E. Safford, 178. 



Demercc, M. Heritable Characters of Maize. — 9. Zebra 

 Striped Leaves, 406. 



Democracy and the Human Equation (review of Alleyae 

 Ireland's book). Frederick Adams Woods, 205. 



Detlefsen, J. A., an<l F. M. Holbrook. Skunk Breeding, 243. 



Differentiation, Influence of the Thyroid (ilan<l and Hy- 

 pophysis upon Growth and. Bennett M. Allen, 414. 



Diseases of Infancy, The. (Leitfaden der Kinderheilkunde) 

 (review), 88. 



Double-Headed Calf. Wm. M. Goldsmith, 237. 



Duck, Ru-;sell W. Mcndelism in Fur Sheep Crosses, 410. 



l)urhani, George B. Growing Tomatoes by Tip-Cuttings, 40. 



Ear, Inheritance of a Pit in the Skin of the Left. J. E. 



Kindred, 366. 

 Earless Sheep, Breeding. Chr. Wriedt, 56. 

 East, K. M., and D. F. Jones. Round Tip Tobacco, 51. 

 Education and the Size of Families. A. W. Forbes, 190. 

 F;ieagnus, Bud Variation in. C. S. Pomeroy, 227. 

 'Elementary Biology, (review) 41. 

 Emerson, R. .A. Heritable Characters of Maize — 9. Crinkly 



Leaf, 2(>7. 

 Endosperm, Shrunken (Heritable Characters of Maize). C. 



B. Hutchinson, 76. 

 Eugenic Prospect, The (review), 318. 

 Eugenics, The Dawn of. 192. 



Eugenics, The Second International Congress of. 219. 

 Evolution and Social Progress (review), 413. 

 -^-Ixperimental Gigantism in Salamanders. E. Uhlenhuth, 408. 

 Experimentation, The Protection of Animal, 455. 

 Eystcr, Lewis A. Heritable Characters of Maize, — 7. Male 



Sterile, 138. 



Facial-Types. (Changes Due In Race Mixture), 274. 

 Fairihil.l, David. A Genetic Portrait Chart, 213. 

 FairchiM. David. Visible Records of Heredity, 174. 

 Families, Better .American — \'. Wilhelmine E. Key, 30. 

 Families, Size of. In Relation to Education. A. W. Forbes, 



190. 

 Family, Three Photographs of Same, 425. 

 Farnirrs. Forcign-B<irn White in the United States. 101. 

 Farmers in the United States, Male anil Female, 212. 

 Farmers in the Unite<l States, Race and Nativity of, ISO. 

 Farming Risks Cireater in the Plains States, 116. 

 Fellowship in Crop Breeding, 83. 



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