1897.] new york academy of sciences. 213 



Biological Section. 



March 8tb, 1897. 



In the absence of regular business the section at once organ- 

 ized, with a temporary' chairman, Mr. C. F. Cox, and a temporary 

 secretary. Dr. Bashford Dean, the regular officers of the section 

 being absent. 



The first paper of the evening was b}^ H. E. Crampton on 

 " The Ascidian Half Embr3-o." This paper will appear in full 

 in the Annals. 



The second paper of the evening was bj^ N. R. Harrington, 

 entitled " Nereids from Puget Sound (Pacific Coast) which live 

 commensall}^ with the hermit crab, Eupagurus armatus.''^ The 

 paper appears in full below. 



The last paper of the evening was by Bashford Dean, entitled, 

 "A Posthumus Memoir by Professor J. S. Newberry.*' This 

 paper described new species and a new genus of North American 

 fossil fishes, and discussed the genera OracanthuSj Dactylodus, 

 Polyrhizodus, Sandalodus and Deltodus. 



Among the types were species of Cladodus, Oracanthus, 

 Gtenacanthus, Stethacanthus, Asteroptychius, Dactylodus, Del- 

 todus, Sandalodus, Psephodus, Helodus, Ctenodus. Dinichthys 

 corrugalus was taken as a type of a new genus, Stenognathus. 



At the conclusion of the papers, an election of sectional offi- 

 cers was held. Professor E. B. Wilson was elected chairman, 

 and Professor C. L. Bristol, secretary. 



Bashford Dean, 



Secretary pro tern. 



