TO CORRESPONDENTS. 
-_. Twelve copies of every original communication, published in this Journal, are if Frequent. 
ed at the disposal of the author. Any larger number of copies will be furnished ‘at cost, 
Authors should fn specify at the head of their MSS. the number of extra copies 
ave printed. 
The titles of ecaiatiaiie and of their authors must be fully given 
Notice always to be given when communications sent to this Feudal, have been, or 
ae tobe, eenleney eee in nape! ‘Sorin 
f d all communications and parcels to 
= Winey & Pursam, Booksellers, 6 Waterloo Place, London, who will forward = 
aoe It is also desired that all per- 
a ge ie aa ks gee will aw tis of id pared roe. yee Old 
__serted among the accounts of new publications. ee = 
ea 
- GaNEnA INDEX TO THE FIRST SERIES OF XLIX VOLUMES OF THR ; 
_ AMERICAN JOURNAL OF SCIENCE AND ARTS, i 
yng en progress, we ar a socieaiek 
with the assurance that no time will be lost i nis ope 
request. "5 
can J ? Sei published on ar 
- Two? car ‘aly lasted by Engr Seege 
bulletin of Scientific Intelligence. ri : 
Remittances should be forwarded to B. Si. L] 
ComPiere Sxrs of the First Series of iol Fy Volunes ing a 
on — For Posrired: address B. Stnuiman. 
&- Mr. Riniciy M. Lewis is our Agent for Alabama, Teauas and Brak Mis 
Mr. Israz. E. Jamzs is our Agent for the Southern and Southwestern States and F 
ida, assisted by James K. Wurrrie, Wa. H. Wexp, O. H. P. Srem, JoHn B. — 
B. B. Hussey, afl Turopore Bacas. 
Mr. C. W. James is our Agent for the Western States, Iowa, and Wi Visconsin 
by Moszs Merxer, James R. oe J. B. Humpnreys, J. T. Dent, G. H. Comsroc 
and E. Y. JENNINGS. 
can no longer bo paid for at the same rates offered by 
fhe wn fs i, * 
usin a Fecent advertisement. Pursing i ll, will please send usa 
Tint at < eee sees a 
ae a d the price. We will still ae 
saci ag u, Wak XI, No. Senor ie edwin ee Nos. 29 and 
(being Vol. XIV,) Nos. SPR or ee ease 46, (being Vol a 
and No. 56, al XXVII, No, 2.) = 
