342 PROCEEDINGS OF THE ACADEMY OF [1890. 



which seems to accord with the B. Forskalii of the Regno Animal, 

 pi. 56, fig. 1, but not that of the latter author. 



Eschscholtz describes Beroe ovata, from the West Indian seas, as 

 a large colorless species with only two of the ribs reaching the mouth, 

 (System der Acalephen, p. 36.) 



The aboral view of our Beroe is like that given of B. Forskalii in 

 the Regne Animal, fig. lb, and those of Idyia roseola, fig. 99 and 

 Idyiopsis Clarkii fig. J 02, in the Contributions of Agassiz. 



October 14. 

 Mr. Charles P. Perot in the chair. 

 Twenty-six persons present. 



October 21. 

 The President, Dr. Joseph Leidy, in the chair. 

 Eighty-three persons present. 



Papers under the following titles were presented for publication : — 

 " Note on the soft parts and dentition of Stomatella." By H. 

 A. Pilsbry. 



" Notes on some Entozoa." By Joseph Leidy. 



October 28. 

 The President, Dr. Joseph Leidy, in the chair. 

 Ninety-one persons present. 



The death of Prof Wenzel Gruber, a correspondent, was an- 

 nounced. 



A paper entitled " An attempt to illustrate some of the primary 

 laws of Mechanical Evolution," by John A. Ryder, was presented 

 for publication. 



Messrs Chas. S. Welles and Thomas B. Harned and Miss Ida 

 Keller, Ph. D. were elected members. 



Prof Ernst Haeckel of Jena and Prof. Edw. L. Greene of 

 Berkeley, Cal. were elected correspondents. 



The following were ordered to be printed : — 



