vi CONTENTS. 
NUMBER CXXIV. 
P 
Arr. XXXI.—Monograph by Professor va ncaa on the Odont- 
ornithes, or Toothed Birds of North America, - ---. --.- 255 
XXXIIL—Elements in Orographic Diapisecieut by W. J. 
cGER, oe ae ho ee ok 
XXXII. —Indices of Refraction of certain Compound Ethers; 
Ge Re SOM a ew he oy a ea SE eae wpe =o 
XXXIV.—W hited County, Georgia, Meteoric Iron; by 
W. E. Hip Se aes he AEE a eee 2 
XXV.—The Basin, of the Gulf of Mexico. With a map (Plate 
IX); by J. E. Hirearp, - Aven : cae ene 
XXXVI.—The Geology of Florida, ‘with a » map; ; by Ez A. 
SMIT wn309 ROR 
XXXVIL_1 ‘he “Magnetic Survey of “Missouri; by ee 
OR RROMTO MR a ga ee re ke aia Cans 310 
careee —American Sulpho-selenides of Mercury ; re G. J. 
BM ats a vara 
XXXIX —Hifect of Great Cold upon "Magnetism; “by 2. 
TORR ists ee ca ee oF 
XL. —Channel tugs in Upper Devonian Shales; by H. S. 
SAAAMES 5 ary pee ca tees oe en 318 
XLL—New "Orit of Extinct Jurassic Reptiles (Coeluria). 
Oe Wn See me ee, GO Dee ae eee 339 
XLH.—Discovery of a A ace Bird in the Jurassic of Wyo- 
b 3 
ming ; by ra 
XLIIL.—American Poductsla; by 0.6. “Marsu, pate Oe 
SCIENTIFIC INTELLIGENCE. 
— Chemistry and Physics.—Atomic Weight of Aluminum, Matet, 321.—Light 
which appears on Metallic Electrodes ta are "placed in hydrogen gas at 
pay t pressures, ©. Louse: The 6 line in the Solar Be aeapottoet Youne: 
n intermittent beam of a is liane upon n Gase NDALL, 
323. 3. ones which arise in a gas as the effect of intermittent Pratl, ROntT- 
GEN. 
Geology.—I 1 
for Satigaphica Subsivisions, 326. —Metamorphie rocks eee peasant 
Pa os the U.S. . omnes! and Ge hical Survey of 
the Terri ——Desi sesibted nm of the Coal Flora of the none lgg Forma- 
tion in ro and pai lh the United States, LesQuEREUX, 329. 
spc and Zoology.—British epee edie’ BRAITHWAITE, 329.—Or bist of starch 
grains, Scuimper: Botany of California, Watson, 330.—Gymnosporangia of 
-Cedar-apples of the United States, Fa ARLOW, 332.--Regeneration ‘of lost parts in 
the Squid, Loligo Pealei, Virnitn, 3 
Astronomy. —Total Solar Eclipses of July. 29th, 1878, and January 11th, 
- Polariza wt 1 of the Corona during the Solar Eclipse of os 7 a Wiese 
S14 Mentone of the Royal Astronomic:l Society of Londo 
Miscellaneous Scientific Intelligence. king Pg! by compression, aot 336.— 
> anata ‘Chane: Memorial volume of Benjamin Peirce: Atomic Theory, 
Wurtz: Third International Ge epic ee Congress, 337 Pikes ‘State La Lab- 
oratory of Natural History: Reports on dredging under A. Agassiz in the 
steamer “‘ Blake,” 338.— oo wary—Jobn J. Bigsby: E. Boricky: James Ten- 
nant: Joseph A. Clay 
ee Te a ss 
Bo i A a A aa dtd Bi Paes ny ns 
ae eh , 
per Se Gy I, Eee nN I CEN oP, Se a 
