311 



From the action of alkalies it woulil a|)pear that the copper was 

 combined with silica, and not an accidental ingredient. 



Dr. H. R. Storer exhibited a Porcupine, {Hystrix dor- 

 sata, Lin.,) shot in New Hampshire, and belonging to the 

 collection of Master Frederic Gilmore. He also exhib- 

 ited, in connection with it, the representation of this ani- 

 mal, figured by Audubon and Bachman, showing it to 

 be extremely inaccurate. 



Messrs. John D. Philbrick and Edward P. .Jeffries were 

 elected Resident Members. 



DONATIONS TO THE MUSEUM. 



October 7, 1857. A fragment of a Human Cranium, whicli was said to have 

 been found in deposits coeval with the Mastodon, in California; by Dr. C. F. 

 Winslow. Specimens of intergrowing and intertwining woods from Surinam ; 

 by Dr. Jeffries \V.T,nnun. A collection of Radiata from the Gulf of St. Lawrence, 

 and a Fish from the North Atlantic Ocean, which probably belongs to a genus 

 new to North America; by Capt. N. E. Atwood. A collection of Crustacea 

 made in California by Mr. E. Samuels, containing fifteen species, viz : Chiome- 

 cetes Behrinyianus, Epiallus productus, Cancer gracilis, C procluctus, C. antenna- 

 rius, Pachyrjrapsus crassipes, Pseudorjrapms Oregonensis, P. nmlus, Hippa analo- 

 gica, Porcellana rupkola, Gebia Pugettensis, Calliannssa kmgimana, Astacus Trmo- 

 bridgii, Crangon Franciscorum, C. nigricaud/i : by E. Samuels. Crustacea from 

 the Northwest Coast of the United States; by the Smithsonian Institution. A 

 collection of Animals in alcohol, made by Dr. S. Kneeland, .Jr., in the region of 

 Lake Superior; by Dr. S. Kneeland, Jr. The Skin of a Ray; by Dr. D. H. 

 Storer. 



October 21. Microscopic preparations of the Diatomaceous Exuviaa of the 

 Post-tertiarj' Sand of Glenshira, near Inverary, Scotland ; by Prof. Gregory of 

 Edinburgh. A collection of Minerals made in the mining districts of Lake Su- 

 perior; by Dr. S. Kneeland, .Jr. A collection of Algas from Australia, Ceylon, 

 and the Friendly Islands, prepared by Prof. Hai-vey ; by Dr. Benjamin D. 

 Greene. A Red Phalarope, Phalarojms fuUcularius, Bonap. shot on Charles 

 River; by C. W. Lovett, Jr. A Fish from Boston Harbor; by E. Samuels. 



November 4. A section of an elm exhibiting a singular curved growth ; by 

 Prof. Theophilus Parsons. A living specimen of young Bald Eagle, n<di(Klus 

 hucocephalus, Linn, taken upon the shore of Lake Superior, and specimens of 

 copper, veinstones, agates, and crystals from Portage Lake; by Samuel M. Xa- 

 son. Crustacea, Shells, Insects, &c. from Portage Lake, Agates from the Mis- 

 sissippi River, near Winona, Minnesota, and some very productive soil from the 



