68 



The following gentlemen were then elected : — 



PRESIDENT, 



JEFFRIES WYMAN, M.D. 



VICE-PRESIDENTS, 



C. T. JACKSON, M.D. A. A. GOULD, M.D. 



CORRESPONDING SECRETARY, 

 SAMUEL L. ABBOT, M.D. 



RECORDING SECRETARY, 



SAMUEL H. SCUDDER. 



TREASURER, 



THOMAS T. BOUVi;. 



LIBRARIAN, 



CHARLES K. DILLAWAY. 



CURATORS, 



THOMAS T. BOUVi, Of Geology and Mineralogy. 



JOHN BACON, M.D., Mineralogy. 



CHARLES J. SPRAGUE, Botany. 



THOMAS M. BREWER, M.D., Oology. 



HENRY BRYANT, M.D., Ornithology. 



r. W. PUTNAM, Ichthyology. 



THEODORE LYMAN, Radiata. 



J. C. WHITE, M.D,, Comparative Anatomy. 



SAMUEL H. SCUDDER, Entomology. 



NATHAN FARRAND, CONCHOLOGY. 



B. J. JEFFRIES, M.D., Microscopy. 



F. H. BROWN, M.D., Herpetology. 



CHARLES PICKERING, M.D., Ethnology. 



cabinet-keeper, 

 CHARLES STODDER. 



Prof. Agassiz, referring to the papers of Mr. Shaler and of 

 Mr. Morse, recently published in the Proceedings, made 

 a few remarks upon the homologies of Brachiopoda. He 

 maintained that the two valves of these Molluscs are an- 

 terior and posterior, but at the same time that they are not 

 homologous with the valves of Lamellibranchiates, and that 

 the hinge of the Brachiopods is homologous to the stem of a 

 Bryozoon. This he showed by comparing Lingula and a 

 Bryozoon, In order to place them in a proper position for 

 comparison, Lingula must be placed with the stem down- 

 wards, so that the hinge of the Brachiopoda comes on the 

 opposite side, and at right angles to the position of the hinge 



