ACADExAIY OF SCIENCES. 247 



gua and in the bay of Panama, but little more is known of this 

 vast reach of shore-line, than was years ago. 



Mr. Stearns stated that at some future time, as soon as the data 

 collected by himself and his co-workers here are compiled, he pro- 

 posed to refer to the subject again. 



Regular Meeting, July ISxn, 1872. 

 Vice-President in the Chair. 



Twenty members present. 



Donations to the Library: Proc. Acad, of Sciences of Phila., 

 Oct., Nov. and Dec, 1871, and pp. 1-72 for 1872. Catalogue 

 Phila. Lib. Co. Fifth Annual Rep. of Peabody Acad, of Balti- 

 more. Am Jour, of Science and Art, June, 1872, Am. Natural- 

 ist, July, 1872. Nat. History of the Tres Marias and Socorro 

 Islands, by Andrew Grayson. Descriptions of new species of 

 American Birds, by Geo. N. Lawrence ; also, Descriptions of new 

 Birds of the Families Troglodytidce and Tyrannidae ; also, Descrip- 

 tions of new species of Birds of the genera Icterus and Synallaxis, 

 by the same author. Manufacturer and Builder. Proc. of the 

 Royal Geograph. Society, Vol. XVI, No. 2. 



Donations to the Museum : A large collection of botanical speci- 

 mens, by Dr. Kellogg. Specimen of a rock-bass {Centrarchus 

 ^neus), by John Williamson. Twenty-seven species of Indo-Pa 

 cific shells, by W. N. Fisher. Samples of Black (Iron) Sand, by 

 Dr. A, B. Stout. Specimen of a Steel (turner's) shaving of Firth 

 steel, thirty-eight feet long as coiled (100 feet when straight), by 

 Mr. Chapman. 



Mr. Williamson remarked, in connection with the specimen of 

 a rock-bass presented by him, that it was one of a number sent out 

 from New York by Mr. Seth Green, of which but nine were hving, 

 and were now in the pond of the California Acclimatization Soci- 

 ety, at Point San Pedro. Of other species the Society had on hand 

 17,000, which were all doing well. 



Dr. Kellogg, in addition to the donation above named, presented 



