774 



THE AMERICAN NATURALIST [Vol. XLIX 



Harris, 707 

 nternal Conditions, Certain 

 Organism in Organic Ei 



M,.; :i .li,,!, 1Lr iral Objections 



Vries, 5 

 Laughlin, : 



LlFP, *j0SEI 



, Blend ac- 

 a Kvuliar 



Little, C. C, A Note on Multiple 

 Allelomorphs in Mice, 122; The 

 Inheritance of Black-eyed White 

 Spotting in Mice, 727 



Loeb, Jacques, On the Nature of 

 the Conditions which determine or 

 prevent the Entrance of the Sper- 



eyed White Spotting in, C. C. 

 Little, 727 



Moodie, Eot L., Some Recent Stud- 

 ies on Fossil Amphibia, 369; The 

 Coal Measures Amphibia and the 

 Crossopterygia, 637 



Morgan, T. H., The Infertility of 

 Rudimentary Winged Females of 

 Drosophila ampelophila. ■_'!<>: Al- 

 lelomorphs and Mice, 379; The 



Harold Plough, 

 of Known Mut 

 Mutant Stocks, i 



Mendelian Characters, W. E. 

 Castle, 37 

 Multiple Allelomorphs, The Black- 

 and-Tan Rabbit and the Signifi- 

 cance of, W. E. Castle and H. D. 

 Fish, 87; in Mice, C. C. Little, 

 122 



lutant Stocks, The Appearance of 

 Known Mutations in Other, T. H. 

 Morgan and Harold Plough, 318 



hitation, Theory of de Vries, Some 

 Fundamental Morphological Ob- 



Edward C. Jef- 



Frost, 623 

 Mendelian, Unit-chara< 

 The English Rabbit 



Muller on the < 

 B. Castle, 37; 

 in Drosophila air 

 Life, 97; Inhei 

 dity in the Doi 



Peculiar 

 la, Joseph 

 of F.vnn- 



mond I 'earl, 306; Charac 

 Drosophila. The- Role of tli 

 vironment in the Realizatior 

 Sex-linked, T. H. Morgan, 



gan, 379; Calif oi 

 Studies of Se^ 

 Races of, Fra> 



B. Sumner, 

 b of Black- 



Moore Davis, 702 



Mutationist, Anticipatory, R. Rug- 

 gles Gates, 645 



Mutations, in Two Species of Droso- 

 phila, C. W. and B. S. Metz, 187; 

 Known, Appearance in Other Mu- 

 tant Stocks, T. H. Morgan and 

 Harold Plough, 318; An At- 

 tempt to Produce, thr'ou-li Ifv- 

 l.ri.li/.arion. F. X. Duncan. 575* 



Lamarckiana, Professor 

 J on the Probable Origin 

 dley Moore Davis, 59; 



Opossum, Early Portrayals 

 Organism, The Significance of 



