366 



SCIENCE 



[N. S. Vol. XXXIII. No. 845 



" Cell-size and Nuclear Size," E. G. CJonklin. 



" Oviposition Induced by the Male in Pigeons," 

 Wallace Craig. 



" The Life History of the Scolex polymorphus 

 of the Woods Hole Region," W. C. Curtis. 



" The Transplantation of Ovaries in Chickens," 

 C. B. Davenport. 



" On the Regular Seasonal Changes in the Rela- 

 tive Weight of the Central Nervous System of the 

 Leopard Frog," Henry H. Donaldson. 



" Spermatogenesis in the Arenieolidse," E. R. 

 Downing. 



" Reproductive Activities of the Squid," Oilman 

 A. Drew. 



" Modifications in the Testes of Hybrids from 

 the Guinea and the Common Fowl," M. F. Guyer. 



" Some Problems of Cflelenterate Ontogeny," C. 

 W. Hargitt. 



" Minimal Size Reduction in Planarians through 

 Successive Regenerations," S. J. Holmes. 



" Studies in Fertilization in Nereis." 1. " The 

 Cortical Changes in the Egg." 2. " Partial Fer- 

 tilization," F. R. Lillie. 



" The Physiology of Cell-division." 4. " The 

 Action of Pure and Calcium-containing Salt-solu- 

 tions, followed by Hypertonic Sea-water, on the 

 Unfertilized Eggs of Arhacia, with a Theory of 

 the Physics of Certain Features of Mitosis from 

 the Standpoint of the Membrane Theory of Bio- 

 electric Processes," Ralph S. Lillie. 



" Anatomical Illustrations before Vesalius," W. 

 A. Locy. 



" The Growth and Retrogression of Corpus 

 luteum in the Guinea-pig," Leo Loeb. 



" The Chemistry of Fertilization," A. P. 

 Mathews. 



" The Influence of Inbreeding and Selection on 

 the Fertility and Sex Ratio in Drosophila," W. J. 

 Moenkhaus. 



" The Spermatogenesis of the Hempteron Eus- 

 chistus," T. H. Montgomery, Jr. 



" Further Studies of Ovogenesis and Spermato- 

 genesis in Phylloxerans and Aphids," T. H. 

 Morgan. 



■■ Studies of Variation and Heredity in the 

 Armadillo," H. H. Newman and J. T. Patterson. 



" Foot Movements of Molluscs," G. H. Parker. 



" The Evolution of the Pearl Organs of Amer- 

 ican Minnows and Suckers. A Study in the Fac- 

 tors of Descent," Jacob Reighard. 



" White and Yellow Yolk in Vertebrate Ova," 

 Oscar Riddle. 



" The Structure and Periodicity of the Develop- 



ing Salpa Chain," W. E. Ritter (With Miss 

 Myrtle Johnson). 



" Physiological Animal Geography," V. E. Shel- 

 ford. 



" The Olfactory Organs and the Sense of Smell 

 in Birds," R. M. Strong. 



" The Behavior of the Chromosomes in Cross- 

 fertilized Echinoid Eggs," D. H. Tennent. 



" Experimental Modification of the Germ- 

 plasm," W. L. Tower. 



" The Ant-colony as an Organism," W. M. 

 Wheeler. 



" Studies in Chromosomes." 7. " A Review of 

 the Chromosomes of Nezara with some more Gen- 

 eral Considerations," E. B. Wilson. 



" Paramoedum caudatum, and Paramosoium 

 aurelia," L. L. Woodruff. 



" Experiments in the Control of Asymmetry in 

 the Development of the Serpulid, Hydroides dian- 

 thus," Charles Zeleny. 



Titles of papers of the following not received: 

 H. McE. Knower, Jacques Loeb, F. P. Mall. 



SCIENTIFIC NOTES AND NEWS 



The congress has passed a bill to retire Com- 

 mander Eobert E. Peary, with the rank and 

 pay of a rear-admiral and to extend to him the 

 thanks of congress. 



The vacancy in the board of consulting 

 scientific experts to the secretary of agricul- 

 ture, caused by the death of Dr. 0. A. Herter, 

 has been filled by the appointment of Dr. Theo- 

 bald Smith, of Plarvard University. The ap- 

 pointment was made by the secretary of agri- 

 culture, with the full approval of President 

 Taft. 



The Hehnholtz medal of the Berlin Acad- 

 emy of Sciences was awarded to Professor 

 van't Hoff shortly before his death. 



Sir William H. White has been awarded 

 the John Fritz medal for 1911, for " notable 

 achievements in naval architecture," by the 

 board representing the national societies of 

 civil, mining, mechanical and electrical engi- 

 neering. The first award was made in 1905 

 to Lord Kelvin, and subsequently to Alexander 

 Graham Bell, Thomas A. Edison, George 

 Westinghouse, Charles Porter and Alfred 

 Noble. 



The gold medal of the British Institution 



