ACADEMY OF SCIENCES. 19 



on or near the premises of Lafayette Nealy, in the town of Wood- 

 bridge, San Joaquin County, about eleven miles from Stockton. 



After the reading of this communication, which was accompanied 

 by a drawing of the object, considera1)le discussion ensued relative 

 tp similar objects known to have been found in this State, and to 

 the habits of the Digger tribes, who seem to -have advanced no 

 farther than the stone age. 



In connection with inquiries on the early records of the human 

 race in this State, Professor Whitney stated that he was preparing 

 a paper giving new light on the famous Calaveras skull. He also 

 exhibited a fossil sent to the Geological Survey by Roger S. Day ; 

 a rare species of ammonite, apparently, found in a hill-top in the 

 mines seven miles east of Folsom, and interesting for the additional 

 evidence it presents of the secondary age of the California gold 

 formation. 



Acknowledgments of the receipt of the xicademy's 3Iemoirs 

 were received from the Smithsonian Institution and other scientific 

 sources, and the letters contained high praises of the matter and 

 typographical execution of the Memoirs. 



Donation to the Museum: Prof. Bolander presented to the 

 Academy a large collection of ferns and grasses, in number about 

 1,500, of which one hundred and thirty-five are Californian ; also, 

 many fi'om the East, Europe, Australia and Chili, fully identified. 

 Dr. Kellogg stated this collection could not be gathered de novo for 

 less than $2,000. The thanks of the Academy were voted to the 

 donor, and a subscription of forty or fifty dollars taken up to pro- 

 cure a case for its proper care and disposal. 



Regular Meeting, April 6th, 1868. 

 Dr. J. Blake, Vice President, in the Chair. 



Messrs. H. S. Craven, A. J. Bowie, and H. Crittenden were 

 elected resident members. Col. E. Jewett was elected a corre- 

 sponding member. 



Donations to the Museum: Mr. Clayton called attention to 

 some specimens of a new genus of coral taken from the Silver Peak 



