TERMS FOR THE SCIENTIFIC AMERICAN.

One copy, one year, postage included$3 00
One copy, six months, postage included1 50

Clubs.—One extra copy of The Scientific American will be supplied gratis for every club of live subscribers at $3.00 each; additional copies at same proportionate rate. Postage prepaid.

Remit by postal or express money order. Address

MUNN & CO., 361 Broadway, corner of Franklin Street, New York.