620 Scientific News. [July, 



berg, a well known ichthyologist who discovered the male of the 

 common eel, died January 14, aged 51. Professor A. W. Malm 

 of Gottenberg, Sweden, died March 4, aged 61. 



— The death of Professor William B. Rogers, the President of 

 the National Academy of Science, and late President of the Mas- 

 sachusetts Institute of Technology, occurred very suddenly May 

 30, while delivering the opening address of the commencement 

 exercises of the Massachusetts Institute of Technology at Boston. 

 Professor Rogers was born in Philadelphia in 1805. In 1835 he 

 organized the geological survey of Virginia and conducted it 

 until its discontinuance in 1842. He published numerous papers 

 on mechanics, physics and geology. He was a fluent, elegant 

 speaker and debater, most genial and kindly, hearty, ready and 

 sympathetic in his intercourse with young scientists, and was in 

 all respects a rare and admirable man. 



— It is the intention of the writer to publish an account of the 

 spawning season of as many marine forms as possible, with a brief 

 description of the methods of oviposition, places to look for eggs 

 and embryos, and such other details as will aid one in obtaining 

 and recognizing such material as is necessary for enibryological 

 work. To this end he would request that all who are working 

 at the development of marine forms would send him notes cover- 

 ing the points in question for which due credit will be given. It 

 is thought that the desirableness of such a paper will be evident 

 to all, and it is hoped that the responses will be numerous. Ad- 

 dress all replies to J. S. Kingsley, care Boston Society of Natural 

 History, Boston, Mass. 



— Dr. Joseph Szabo, Professor of Mineralogy and Geology m 

 the University of Budapest, Hungary, in a recent letter announces 

 his intention to be present at the meeting of the American As- 

 sociation at Montreal in August. He will start from Liverpool 

 for Quebec in the early portion of July, and will visit as much ot 

 our country as possible in the short space of time that he can re- 

 main. He is especially desirous of visiting the Yellowstone Na- 

 tional park. He is especially anxious to secure a great va- 

 riety of the igneous rocks of this country, especially those from 

 our Western territories. His writings on the volcanic rocks ot 



•Hungary and other portions of Europe are numerous and val- 



— The French Government is to establish a zoological labora- 

 tory on the shores of the Mediterranean at Villafranche, near 

 Nice, under the care of Dr. J. Barrois. We have received from 

 Professor Lacaze-Duthiers a brochure giving a full account \ W 'he 

 plans, of his prosperous seaside laboratory at Roscofif, and tn 

 winter zoological laboratory which he has founded at Banyui - 



