DISTRICT OF MASSACHUSETTS, TO WIT: 



District Clerk's Office. 



BE IT BEMEMBERED, That on the seventeenth day of May, A. D. 1830, and 

 in the fiftyfourth year of the Independence of the United States of America, 

 Carter and Hendee, of the said district, have deposited in this office the title of 

 a book, the right whereof they claim as proprietors, in the words following, to 



' SCIENTIFIC TRACTS, designed for Instruction and Entertainment, and adapted 

 to Schools, Lyceums, and Families. Conducted by Josiah Holbrook, and others.' 



In conformity to the act of the Congress of the United States, entitlefl, "An 

 Act for the encouragement of learning, by securing the copies of maps, charts and 

 books to the authors and proprietors of such copies during the times therein men- 

 tioned ;" and also to an act, entitled, " An Act supplementary to an act, entitled, 

 ' An Act for the encouragement of learning, by securing the copies of maps, charts 

 and books to the authors and proprietors of such copies during the times therein 

 mentioned,' and extending the benefits thereof to the arts of designing, engrav- 

 ing and etching historical and other prints." 



JNO. W. DAVIS, 

 Clerk tfthe District of Massachusetts. 



