August 30, 1907] 



SCIENCE 



293 



TEE SEVENTE INTERNATIONAL ZOOLOG- 

 ICAL CONGRESS 



The congress held its scientific session last 

 week in Boston in accordance with the pro- 

 gram that has already been published in this 

 journal. The meetings were held in the 

 magnificent new buildings of the Harvard 

 Medical School and everything possible was 

 done for the entertainment of the delegates 

 and members. Mr. Alexander Agassiz pre- 

 sided, and general addresses before the con- 

 gress were given by Professor K. Hertwig, of 

 Munich, on " Neuere Probleme der Zellfor- 

 schung " ; by Sir John Murray, of the Chal- 

 lenger expedition, and by Professor W. K. 

 Brooks, of the Johns Hopkins University, 

 whose address was entitled " Are Heredity 

 and Variation Facts ? " The titles of most of 

 the papers presented have already been printed 

 in Science. The number of papers offered in 

 each section was as follows : Animal Behavior, 

 41; Comparative Anatomy, 44; Comparative 

 Physiology, 28; Cytology and Heredity, 46; 

 Embryology and Experimental Zoology, 36; 

 Entomology and Applied Zoology, 24 ; General 

 Zoology, 15; Paleozoology, 21; Systematic 

 Zoology, 20; Zoogeography and Thalassog- 

 raphy, 30. 



The addresses presented before the sections 

 were as follows: Comparative Anatomy: Pro- 

 fessor J. P. McMurrich, University of To- 

 ronto, " The Problem of the Vertebrate Head 

 in the Light of Comparative Anatomy." 

 {Jom.parative Physiology : Professor J. Loeb, 

 University of California, " The Chemical 

 Character of the Process of Fertilization." 

 Cytology and Heredity: Professor C. E. Mc- 

 Clung, University of Kansas, " Cytology and 

 Taxonomy." Professor W. Bateson, Cam- 

 "bridge University, " Facts limiting the The- 

 ory of Heredity." Emhryology and Experi- 

 mental Zoology : Professor A. A. W. Hubrecht, 

 University of Utrecht, " Larval Envelopes and 

 Foetal Membranes in Vertebrate Embryos." 

 Trofessor W. Roux, University of Halle, 

 ■" Konnen wir die ursachlichen Wirkungs- 

 weisen der typischen Entwickelungsvorgange 

 •ermitteln ? " Dr. H. Driesch, University of 



Heidelberg, " The Stimuli of Restitutions." 

 Entomology and Applied Zoology: Dr. G. 

 Horvath, Hungarian National Museum, "Re- 

 lations entre les faunes hemipterologiques de 

 I'Europe et de I'Amerique du Nord. Dr. L. 

 O. Howard, U. S. Bureau of Entomology, 

 " The Recent Progress and Present Condition 

 of Economic Entomology." General Zool- 

 ogy: Professor C. O. Whitman, University of 

 Chicago, " The Problem of Organic Develop- 

 ment." Paleozoology : Professor C. Deperet, 

 University of Lyons, "Les migrations des 

 faunes tertiares entre I'Europe et I'Amerique." 

 Systematic Zoology: Dr. Theo. Gill, Smith- 

 sonian Institution, " Systematic Zoology, its 

 Place and Functions." Zoogeography and 

 Thalassography : Dr. R. F. Scharff, Dublin 

 Museum, " On the Evolution of Continents 

 as illustrated by the Geographical Distribu- 

 tion of Existing Animals." 



After visiting Harvard University on Sat- 

 urday, members of the congress went to Xew 

 York by way of Woods Hole on Sunday. The 

 present wesk is being spent in New York City 

 and in excursions from the city, Monday be- 

 ing Columbia University day; Tuesday, Am- 

 erican Museum day; Wednesday, Cold Spring 

 Harbor day; Thursday, New York Zoological 

 Society day; Friday, Hudson River day; Sat- 

 urday, visits to Yale University or Princeton 

 University. The delegates and members go 

 to Philadelphia on Monday of next week and 

 visit the scientific and educational institutions 

 of that city on that day and on Tuesday. On 

 Tuesday afternoon they leave for Washington, 

 returning to New York on Friday. On Sat- 

 urday there is an excursion to Niagara Falls. 



Foreign delegates and members in attend- 

 ance include the following: 



British Empire: Dr. Charles W. Andrews, 

 London; Professor William Bateson, Cam- 

 bridge; Professor Charles J. S. Bethune, 

 Guelph, Ontario; S. F. Harmer, Cambridge; 

 R. H. Johnson, Hobart, Tasmania; Rev. W. 

 G. Marsh, Adelaide; Sir John Murray, 

 Edinburgh; C. Tate Regan, London; 

 Charles F. Rousselet, London; Dr. Robert F. 

 Scharff, Dublin; Arthur E. Shipley, Cam- 



