CONTENTS. 
NUMBER LVIL 
Page 
Art, XXIL-—On the formation of Hail a my Spray of the 
Yosemite Fall; by Wiztiam H. Brewer, ---- .------- 
XXIIL—Walker’s Statistical Atlas of the , United States, .-. 1 
XXIV,.—On Southern New England saring the melting of 
the great Glacier; by James D. Dana, -----.-------- 16 
XXV.—Me 
echanical Work done = a Muscle before exhaustion, 
and on the “ Law of Fatigue;” by Samuret Havenron, 1 
XXVI.—Notes upon the Earthquake of Dicetnber 1874; by 
61 
64 
amie, S, MARY. ooo oct hese 191 
XXVIL—On some interesting Equine Caleuli; by R. H. 
USETUBDEN, nici de odsnkis heb 4d Was seen dks fue 
VIIL.—Results 0 f Dredging Expeditions off the New 
aear Coast in 1874; by A... VEeRua, ...--..-.-- 1 
TLL, 
sage of two Bolides in 1872 and 1874, 
over = Middle sims ; by J. Lawrence Situ, -.---- 2 
XX. ae fare op the Gases Pst Trea Ss Meteorites; by J. 
UO se ac ae ae bs oe eee ee 
XXXIL_ Notive of the occurrence of another Gigantic Ceph- 
alopod aap egy on the coast of Newfoundland, in 
December, 1874; by A. E. Verrm1, 
Chemistry and Physics.—Hypochlorie oxide and Euchlorin, PeBaL: Presence of 
Sulphuric oxide i in the Gaseous products of combustion yrs Pyrite, S. KESTNER, 
aca Hypochlorite from Bleaching Powder, Kinazerr: Occurrence of 
Carbohy: , REICHARDT: Friction AR- 
BURG, 218. ~Conductibility of Heat by os UNDT and WARBURG, 219.—Emis- 
sive Power 220. Velocity of Magnetization, M. Dr- 
ARDS : i E. L. . CHRISTY, 233.—Structure 
of Stone Mountain, Georgia, ee Anomalodonta of 8. es Miller: ‘v0 
yh 
W. S. Chark: Forest Flora of N. W. and Central India: Flora 
— ent effects of the same Pp up f plants un under 
different latitudes, 237.—Dr. Jon E re} North American Oniscida, 239. 
Scientific Intelligence.— Association for the Advancement 
of Science : Cincinnati Society of Natural History: "Nevada: The’ Mese Ae 
Reconnaissance Southeastern Nevada: Ac- 
Collection of Dr. Krantz, 239. 
