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extra copies, not exceeding fifty, in plain colored wrappers, wdll be 

 given to the author as he may specify at the time of the presentation 

 of the paper ; any additional number, or any extras whatsoever from 

 the " Proceedings " must be at the author's expense. 



The author shall be liable for any corrections made by substitution 

 of words or sentences, additions to or subtractions from the article 

 after it is in type. 



Mr. S. G. Webber was elected a Resident Member. 



DONATIONS TO THE MUSEUM 



May 3. A double-headed Kitten, Holothurian and four Crustacea, two poly- 

 pes, a bird's skull, and a fish, by Dr. B. S. Shaw. Pebbles, scratched by glacial ac- 

 tion, from Dorchester, by Mr. C. Stodder. Specimens of Cinchona Bark and Mu- 

 ravilla Bark, from Paita, Peru, by Dr. C. F. Winslow. Leaf of the Palm, by 

 Miss Wales. Crystals and Starch granules, prepared for the Polariscope, by 

 Mr. J. S. Melvin. Meloslra fragillaria, and Rhabdonema, mounted for the mi- 

 croscope ; Campanularia, etc., from South Boston bridge, by Mr. C. G. Bush. 

 Fossils from Jarrett's Knob, Murfreesboro', Tenn., by Mr. W. C. Russell. 



May 11. A Bat, Artibeus achradopMlus Gosse?, from Moneague, Jamaica; 

 Bow and Arrows from the East Indies ; a bird; and Sarcorhampus papa, from 

 Para, Brazil, and Insects from Panama, by Dr. H. Bn,'ant. Samia Cecropia and 

 cocoon, from Roxbury, Mass., by Miss Holliday. Five hundred and fifty-six 

 specimens of Cretaceous and Tertiary fossils from the West, labelled by Mr. F. 

 B. Meek, by the Smithsonian Institution. Cast of Schistopleurum typus, by Mr. 

 ]\Iartin Brimmer. Five birds from near Boston, by Mr. W. C. Bradburv'. Aste- 

 rlas vulgaris Stmp., from New Haven, Conn., Asterias Uttoralis Stimp., Astro- 

 phyion Agassizii, Solaster endeca, and an Asterias sp., from Eastport, Me., by 

 Yale College. 



June 7. Eight specimens of Corals, by the Essex Institute. Corbula mactri- 

 Jbrmls M. and H., from Fort Clark ; Cardium siibquadratum E. and S., from the 

 Yellowstone River; Cucullea Shumardl ^I. and H., from Long Lake, Dacota 

 Terr. ; and Dione sp., from the mouth of Milk River, from the Cretaceous forma- 

 tion, collected by Messrs. ^leek and Hayden ; by the Smithsonian Institution. 

 ^Eshna, from Boston, by Mr. George Coles. 



June 21. Three Lepldoptera, from Hartt's Location, White Mountains, N. H., 

 by Dr. S. A. Bemis. Bean pods of the Acacia, from AUtigua, by Mr. S.Wells, Jr. 

 Barnacles taken from a vessel after a passage, by Mr. P. E. Steams. Cannabis 

 sativa, Hasheesh, from West Africa, by H. McMiutrie. Idoteea, from Boston 

 Harbor, by ilr. C. Stodder. Samia Cecropia and cocoon, from Boston, by Miss 

 Blaikie. Liomorpha Jlabellata Smith?, Diatomaceous deposit, from Bemis Lake, 

 White Mountains, by Dr. S. A. Bemis. Tropcea Luna, from Richmond, Va., by 

 Dr. C. F. Hildreth. Collection of fossils, from the table land above Paita, Colan 

 and Amotape, S. A. ; Iron Ore, from the West Cordillera of the Andes, Lat. 

 5° S., Peru ; by Dr. C. F. Winslow. 



July 5. Bituminous Shale, from Mantigo Bay, Mexico, by Mr. Nelson. Clay, 

 from an Artesian well from near Paita, Peru ; a mass of Silicious Infusoria, from 



