Index iil 
Graft-Chimera in the Apple. A. B. Stout, 233. 
Grapefruit, Origin of a Variety Having Pink Colored Fruits. 
A. D. Shamel, 157. 
Gregarious Animals or Corn, A System for Breeding. A. N. 
Hume, 191. 
Guatemala, Tree Dahlia of. Wilson Popenoe, 265. 
H 
Half-Man, The Menace of the. Seth K. Humphrey. 228. 
Hen Which Changed Color. William A. Lippincott, 342. 
‘Herald,’’ A New Type of Prune. L. R. Detjen, 253. 
“ Hereditas,’ A New Genetics Journal, 227. 
eredity and Economical Production of Food. D.S. Burch, 
Heredity and Environment, Discussion of, 80. 
Heredity and Environment in the Development of Men 
(review), 91. 
Heredity and Sex, Lectures on (review), 24. 
Heredity in Horses. H. K. Bush-Brown, 215. 
Heredity, The Physical Basis of (review), 144. 
Hereditary Trades, By American Red Cross, 363. 
Heritable Characters of Maize, 3, 65, 111, 161, 317, 349. 
Holsteins, Were the Black-and-White Originally Red-and- 
White? 155. 
Hooker, Joseph. The Heredity and Environment of, 6. 
Horses and Cattle, Native, in the Orient. C. O. Levine, 147. 
Horses, Heredity in. H. K. Bush-Brown, 215. 
Horticultural Varieties, Deterioration Through Deficient 
Artificial Selection. H. H. M, Bowman, 380. 
Human Germ-Plasm, An Abacus for Illustrating the Structure 
and Mathematics of. Harry H. Laughlin, 185. 
Hume, A. N. A System for Breeding Corn or Gregarious 
Animals, 191. 
Humphrey, Seth K. The Menace of the Half-Man, 228. 
Hungary, Eugenics Society in, 41. 
Hurlin, Ralph G. A Case of Inherited Syndactyly in Man, 
334. 
Hybrid, Teas’ Catalpa. D. F. Jones and W. O. Filley, 16. 
Hybrid, A Mutating Blackberry-Dewberry. L. R. Detjen, 92. 
Hybrid, A New Blueberry. Frederick V. Coville, 338. 
Hybrids, Natural Wheat-Rye of 1918. Clyde E. Leighty, 129. 
i 
Immigration Prollem Today. Robert De C. Ward, 323. 
Improvement of Root-Stocks Used in Fruit Propagation. 
H. J. Webber, 291. 
Inbreeding and Outbreeding (a review of East and Jones’ 
book by Paul Popenoe), 125. 
Inheritance (review), 91. 
Inheritance in Crosses of Dairy and Beef Breeds of Cattle. 
John W. Gowen, 300, 365. 
Inherited poomcaaty ly in Man, A Case of. Ralph G. Hurlin, 
334 
Intelligence, Measuring, 86. 
Intelligence of the Negro, 45. 
Italy, Genetic Association in, 45. 
Italy, Hereditary Trades in, 363. 
J 
Johnson and Popenoe, Discussion of ‘Applied Eugenics,” 80. 
Jones, D. F., and Filley, W.O. Teas’ Hybrid Catalpa, 16. 
Jones, D. F. Heritable Characters of Maize—Defective 
Seeds, 161. 
Journal of Heredity, Letter of Indorsement. Wm. A. Taylor, 
377. 
K 
petasinS, ‘The, A New Blueberry Hybrid, Frederick V. Co- 
ville, 338. 
Kempton, J. H. Heritable Characters of Maize—Adherence, 
317 
Kempton, J. H. 
Culms, 111. 
Kempton, J. H., and Collins, G. N. Heritable Characters of 
Maize—Linneate Leaves, 3. 
Key, Wilhemine E. Better American Families—IV., 358 
Heritable Characters of Maize—Brachytic 
L 
Laboratory Direction in Principles of Animal Biology (re- 
view), 214. 
Lathrop, Barbour. 
Medal, 169. 
Recipient of First Meyer Memorial 
-Popenoe, Paul. 
Laughlin, Harry H. An Abacus for Illustrating the Structure 
and Mathematics of the Human Germ-Plasm, 185. 
Laughlin, Harry H. Race Assimilation by the Pure-Sire 
Method, 259. 
Lee, H. Atherton and Scott, L. B. Are Valencia Oranges from 
China? 329, 
Leighty, Clyde E. Natural Wheat-Rye Hybrids of 1918, 129. 
Levine, C.O. Native Horses and Cattle in the Orient, 147. 
Levine, C. O. Swine, Sheep and Goats in the Orient, 117. 
Levine, C. O. The Water Buffalo—A Tropical Source of 
Butter Fat, 51. 
Lindstrom, E. W. Chlorophyll Factors of Maize, Aes 
Lineate Leaves (heritable characters of maize). . N. Col- 
lins and J. H. Kempton, 3. 
- Lippincott, William A. A Hen Which Changed Color, 342. 
Little, C. C. Note on the Origin of Piebald Spotting in 
Dogs, 12. 
Lock’s Last Work—a review, 110. 
Lomen, G, J. The Reindeer Industry in Alaska, 243. 
M 
McCandlish, C. Environment and Breeding as Factors In- 
fluencing Milk Production, 204. 
Maize, Chlorophyll Factors of. E. W. Lindstrom, 269. 
Maize, eens Characters of. 
fr Taeate Leaves. G.N. Collins and J. H. Kempton, 
. Pistillate Flowered Maize Plants, R. A. Emerson, 65. 
. Brachytic Culms. J. H. Kempton, 111. 
Lethal Factors—Defective Seeds. D.F. Jones, 161. 
Adherence. J. H. Kempton, 317. 
. Zigzag Culms, William H. Eyster, 349. 
Marjorie, The Book of (review), 336. 
Marriages, Birth Rate in Mixed, 96. 
Measuring Intelligence, 86. 
Medal, Foreign Plant Introduction. David Fairchild, 169. 
Medal, Advancement of Horticulture/ 95. 
Meeting of Geneticists Interested in Agriculture, 384. 
Menace of the Half-Man. Seth K. Humphrey, 228. 
Mendelism—a review, 115. 
Mental Tests (review), 232. 
Meyer Memorial Medal, —David Fairchild, 169. 
Milk Production, Environment and Breeding as Factors In- 
fluencing. Andrew C. McCandlish, 204. 
Milk Yield, Transmission of. John W. Gowen, 300. 
Mixed Marriages, The Birth Rate in, 96. 
Moral Qualities and Eugenics, 189. 
Mortality, Racial Differences in, 336. 
Mucors, Mutations in. Albert F. Blakeslee, 278. 
Mutating Blackberry-Dewberry Hybrid. L. R. Detjen, 92. 
Mutations in Mucors. Albert F. Blakeslee, 278. 
N 
Nationality and Race (review), 192. 
Negro, Intelligence of the, 45. 
Noy es, Hilda H. The Dev elopment of Useful Citizenship, 88. 
DUP wr 
O 
Oranges, Valencia, Are They from China? 
and L. B. Scott, 329. 
Osborn, Henry Fairfield. Eugenics and Patriotism, 341. 
H. Atherton Lee 
1 
Palm Weevil, V: ariation of the, and The Meaning of Contin- 
uous Vv ariation in Color, 84. 
Parents’ Mutual Protective League (in “‘Development ot 
Useful Citizenship”). Hilda H. Noyes, 88. 
Patriotism and Eugenics. Henry Fairfield Osborn, 341. 
Pear Stocks, Some Promising New. Beverly T. Ge alloway, 25. 
Personal Beauty and Racial Betterment. (Review), 258. 
Physical Basis of Heredity (review). 144. 
Physical Census in England and Its Lesson. I, A. Woods, 
190. 
Piebald Spotting in Dogs. C.C. Little, 12. 
Pistillate Flowered Maize Plants. R.A. Emersa on, 65. 
Popenoe and Johnson’s ‘‘ Applied Eugenies”’ and the Question 
of Heredity vs. Environment, A Discussion of, "80. 
Popenoe, Paul. Inbreeding and Outbreeding—a review, 125. 
World Power and Evolution—a review, 137. 
Popenoe, Wilson, The Colombian Berry, or Giant Black- 
berry of Colombia, 195. 
Popenoe, Wilson. The Tree Dahlia of Guatemala, 265. 
