103 



Psohis, Botryodactyla^ &c. which have the form of sharks' 

 teeth ; this form they retain at the base and apex, but lose it of 

 course on the sides, from their fusion with the adjoining plates. 

 The analogy with Thyone and Chirodota in this respect is 

 striking. 



In reply to a question from Dr. Gould as to the results 

 he had obtained from his examination of the track of the 

 recent tornado near Boston, Mr. Redfield said, that the 

 phenomena were similar to those which he had noticed in 

 the paths of many other tornadoes. 



A Snake and several Insects from Cahfornia were pre- 

 sented in the name of Mr. T. G. Gary, Jr. 



Dr. Cabot announced the donation of several birds from 

 the same locality, presented by the same gentleman. 

 Among them were two, differing in no respect from the 

 common Song Sparrow, except in the color of the legs, 

 which were much darker than in that species as seen here. 

 A Pipery Flycatcher and a new species of Goldfinch also 

 constituted a part of the donation. 



A specimen of Hillsboro' Coal was presented in the 

 name of Dr. C. T. Jackson ; part of the skin of a Sturgeon, 

 from Mr. James Dennie ; a specimen of Anodon fluviatilis, 

 from Dr. H. C. Perkins, and a specimen of Syngnathus 

 Dekayii, male, from the Secretary. 



BOOKS RECEIVED DURING THE QUARTER ENDING SEPTEMBER 30. 



Reports on the Sea and River Fisheries of New Brunswick. 

 8vo. Pamph. By M. H. Perley. From the Author. 



Sixty-third Annual Report of the Regents of the University of 

 New York. 8vo. Pamph. Albany, 1850. Fro7n the Regents 

 of the University. 



