— 50 — 



Jordan, Karl. 575. 



1897. Eeproductive Divergence: A Factor in Evolution? INat. Sc, Vol. 11 

 No. 69 p. 317— 320 j Rejoinder by H. M. Yeenon, No. 70 p. 404—407. 



[Vebnon's Reproductive Divergence not a factor in the Evolution of 

 specific distinctness.^ 



Mathews, Allbert. 575. 



1897. Internal Secretions considered in relation to variation and de- 

 velopment. Science, N. S. Vol. 5 No. 122 p. «83— 685 j Notes by E. B. 

 W[ilson], by Wesley Mills, ibid., No. 128 p. 920—921. 



Morgan, C. Lloyd. 575. 



1896. On Modification and Variation. Science, N. S. Vol. 4 No. 99 p. 733 

 — 740. [Conciliation of Transmissionists and Selectionists.] 



Ponlton, E. B. 575. 



1896. British Association for the Advancement of Science. Address 

 to the Zoological Section by the President of the Section. Science, 

 N. S. Vol. 4 No. 96 p. 62.^—637; No. 97 p. 668-680. [On Natural Selection. 

 Lord Salisbuby's criticism. Sketches of the evolution of the phyla of 

 Protozoa, Coelenterata, Arthropoda, Mollusca, Echinoderma. Time re- 

 quired for evolution and age of the earth.] 

 . . . 575. 



1896. Discussion on Consciousness and Evolution. (Amer. psychol. 

 Ass.) Science, N. S. Vol. 3 No. 57 p. 121 — 122. [Zoological standpoint by 

 E. D. Cope, Embryological and Neo-Darwinistic standpoint by C. S. Minot.] 



Dwight, Thomas. 575.1. 



1896. The Significance of Anomalies. Science, N. S. Vol. 3 No. 73 p. 776 



— 777. [Abuse of the principle of atavism.] 



Stanley, Hiram M. 575.1. 



1896. A Suggested Experiment on Heredity. Science, N. S. Vol. 3 No. 77 

 p. 900 — 901. [Baiting wild mallard ducks on platforms of different 

 depths.] 



Tayler, J. Lionel. 575.1. 



1897. The Relation of acquired Modifications to Heredity. Nat. Sc, 

 Vol. 11 No. 68 p. 247 — 250. [Suggestion of a compromise.] 



Bumpus, Hermon C. 575.2. 



1897. A Contribution to the Study of Variation. (Zool. Club Chicago.) 

 Journ. Morph., Vol. 12 No. 2 p. 455 — 484. 3 Pis. (Abstr., Journ. R. micr. 

 Soc. London, Pt. 3 p. 193 — 194. — Science, N. S. Vol. 4 No. 104 p. 960 

 — 961.) [Skeleton oi Nee turi/s. Variations in attachment of pelvis. Ratio 

 between the absolute length of the animal and the number of vertebrae. 

 Tendency to forward rather than to backwards homoecis. Oblique and 

 unsymmetrical sacra. Dependance of position of pelvic arch, from one 

 segment or from topographical point? Variations in pectoral arch and 

 other sceleton parts. Variations more frequent in males than in fe- 

 males? Theory of vertebral intercalation.] 

 Bumpus, H. C. 575.2. 



1897. The Result of the Suspension of Natural Selection as illustrated 

 by the Introduced English Sparrow. (Amer. morph. Soo.) Science, 

 N. S. Vol. 5 No. 115 p. 423—424. [Examination of 1,700 eggs of the 

 American sparrow showed a much greater amplitude of variation in 

 form, size and color.] 



