Vili CONTENTS. 
and Physics——Compass of Tangents, 425.—On the double refraction produ 
by compresion in Crystals belonging to the regular system, 426.—-On the Electrolytic. 
Human Fat 3 Spermacet 428,—On the manufacture of Glycerin, by CamesELt: 
Morrirt, M.D., 
Mi cine and ct oo Notices, No. V, 4 On the Crystallization - 
of Chondrodite J. D. Dana, 44 a otice of a crystal “ Fischevite, by NicHoLas” 
Sanieiaas ov,4 ole nA if Arkansas, by Prof. W. W. MaraEnts 
On the alleged great Coal Bed of Persy County, by Prof. W. W. Marner: On the 7 
ie to bed of Coral at a high elevation, on the Island of Maui, by Dr. C. F. = 
hides pentane of the Anatomy and Physiology of the Maia Cell, mf Hvao. : 
VON Mont, M.D., etc., 451.—Dr. Hooker’s Flora of New Zealand Oak-Vegeta- 
tion of America, by Prof. Lizgsman : Martius, Flora Braziliensis, 456. 
Astronomy.—New Comet: Thalia: Fortuna: Parallax of a Star, 457. ; 
goa: Intelligence.—Meteorological Observations at One Vt., by Z. THomr- 
: Chart - Isothermal _ 459.—Belcher’s Artesian Well n St far 460.— — 
Washington Territory, 462,—Obituary—Anthony D, Stanley Vel Bu ch, 4 4 
Bibliography Prove nt or aban Views of the Universe, nd CHARLES Fr ; 
ciagceet M.D.: Handbook of Universal Geography, gee re J. Carey CALL” 
tT, A.M., ig oss a Geology, by ALonzo Gray, A.M., C. B. Apams, A.M. : — 
Catto ‘of North American Reptiles in the Museum of the "anata Institution, — 
S. F. Barrp and C. Grrarp, 465—Annual Report of the Superintendent of the j 
Survey: A Syno - or Systematic Catalogue of the seni Plants of wet 
United States, by A. CLapr, M.D.: Natural History of New York; Paleontology, by 
James Hau: Journal of i Academy of Natural Sciences, a elphi : Co 
of the U. 8. Exploring Expedition under Capt. C. Wilkes, by J. D. Dana, 
List of Works, 466. 
Ind ex, 67. q 
Piate I—Map of Winter Isothermal Lines illustrating Prof. hae n 
on Climate. $ 
Puiarte II.—Electrotyping Apparatus: Article XXXII. 
Puate III.—Proteus anguinus: Article XLVI. 
~ 
ERRATA. 
P. 162, first line, for “ 130, “read * 16 89. 
P. 278, line 9 from top, for “113°,” von 130°,” 
i 9 from for “Fe,” read “ FI.” 
P. 325, line 11 from top, for “nort heastern,” read “ 
P. 353, line 11 from bottom, for “ ‘anaes in another nese? aa - and i in another work: 
ita: line 18 from bottom, for “In one of his desultory volumes,” read ‘+L 
ature. 
P. 433, ep cag Fo Sunadin,” read 
In part of edition, P. 0, line Tro bottom, or id read ‘J, £. pr. Ch., lvii, 
Vol. xiv, p. 62, line from. bottom, Sor “ M:T,” read “ M or ly : 
sebate eee 
Thghccen MGs et ee 
