1880.] NATURAL SCIENCES OF PHILADELPHIA. 407 



REPORT OF THE CORRESPONDING SECRETARY. 



In accordance with the By-Laws of the Academ}-, the Corre- 

 sponding Secretar}' presents the following Report of the business 

 of his office during the year ending November 30th, 18S0. 



Thei-e have been elected twent}' Correspondents, as follows : 



Angelo Heilprin,* New York City; Dr. C. A. White * Wash- 

 ington, D. C. ; Albert de Selle,* Paris, France ; Victor Raulin,* 

 Bordeaux, France ; R. Hoarnes,* Yienna, Austria ; Georges Rol- 

 laud, Paris, France; A. Inostranzeft',* St. Petersburg, Russia; 

 Dr. Robert Schomburgh* Adelaide, Australia ; Dr. Herman T. 

 Geyler, Frankfort a. M., Germany ; Robert Casparis, Konigsberg, 

 Germany ; Agostino Todaro, Palermo, Italy ; J. E. Bommer, 

 Brussels, Belgium ; Prof. Teodoro Caruel,* Pisa, Italy ; Lionel 

 S. Beale,"*" London, England ; Prof. Richard Hertwig,* Jena, 

 Austria ; Prof. Oscar Hertvvig,* Jena, Austria ; Dr. Carl Ochse- 

 nius,* Marburg, Prussia ; Dr. M. H. De Bey, Aix-la-Chapelle, 

 Prussia ; Prof. Adolf E. Nordenskjold,* Stockholm, Sweden ; 

 Prof. Torquato Taramelli,* Pavia, Italy ; all of whom have been 

 promptly notified, and acceptances have been received from those 

 whose names are marked with an asterisk, *. 



The donations to the Museum have been numerous and valuable, 

 as will be learnerl from the Curators' report, and prompt acknowl- 

 edgments have been sent to the various donors, numbering in all 

 228. 



Letters transmitting publications have been received from Cor- 

 responding Societies or Institutions, at home and abroad, to the 

 number of fifty-one ; from individuals, four. 



Letters or other acknowledgments of the reception of the pub- 

 lications of the Academy have been received to the number of 

 fifty-two. 



In addition to the above, thirteen letters of a miscellaneous 

 nature have been received, and those requiring an answer have 

 been in all cases replied to. 



Respectfulh^ submitted, 



George H. Horn, 



Corresponding Secretary. 



