Wyman.] 24 [June 20, 



The following letters, which had been received since the 

 previous announcement, were read: — 



From the Academie Royale des Sciences k Amsterdam, October 

 8th, 1864; K. Hof- und Staats-Bibliothek, Miinchen, September 

 15th, 1865; Zoologisch-Mineralogischer Verein, Regensburg, Novem- 

 ber 30th, 1865; Utrecht Society of Arts and Sciences, Sej^tember 

 29th, 1865 ; Naturforschender Verein in Briinn, September 1st, 1865 ; 

 Lyceum of Natural History, New York, March 5th, 1866 ; and the 

 Museum of Comparative Zoology at Harvard College, February 26th, 

 1866, acknowledging the receipt of the Society's publications. From 

 the K. Bayerische Akademie der Wissenschaften, Miinchen, Novem- 

 ber 20th, 1865 ; Naturforschende Gesellschaft, Freiburg, October 24th, 

 1865; Naturhistorischer Verein in Augsburg, October 14th, 1865; St. 

 Gallische naturwissenschaftliche Gesellschaft, October, 1865 ; Verein 

 fiir Naturkunde im Herzogthum Nassau, Wiesbaden, October 10th, 

 1865 ; and the K. Bayerische botanische Gesellschaft, Regensburg, 

 November 30th, 1865, acknowledging the same and presenting their 

 own publications. From the Physikalisch-Medicinische Gesellschaft 

 in Wurzburg, November 1st, 1865, the same, and regretting their ina- 

 bility to supply deficient parts of their publications. From the 

 Utrecht Society of Arts and Sciences, October 1st, 1865 ; Kongl. 

 Svenska Vetenskaps Akademien i Stockholm, November 17th, 1865; 

 Academie Royale des Sciences a Amsterdam, June 26th, 1865 ; 

 Academia Lugduno-Batavae, November 6th, 1865; and the Acade- 

 mic Royale de Belgicjue, August 15th, 1865, presenting their various 

 publications. From the Naturforschender Verein in Briinn, Septem- 

 ber 1st, 1865; the same, July 1st, 1864, presenting their publications 

 and desiring an exchange. From the Societe Hollandaise des Sci- 

 ences a Harlem, January 30th, 1866, agreeing to an exchange of pub- 

 lications, and asking for a full set of the Society's publications. From 

 the Prsefectus Bibliothecae Universitatis Lugduno-Batavae, September 

 28th, 1865, acknowledging the receipt of the Society's publications, 

 and asking for deficient volumes. From James C. Parkinson, M. D., 

 Burlington, N. J., February 26th, 1866, offering for sale a collection 

 of shells; and from H. Behr, M. D., San Francisco, January 26th, 

 1866, acknowledging his election as a Corresponding Member. 



Dr. J. Wyman gave an account of the dissection of a 

 young domestic pigeon, which was taken from the nest and 

 was still covered with down. 



The crop was found very largely distended with " canker worms," 

 (larvae of Anisopteryx pometaria). These weighed 33 grammes, the 



