CONTENTS OF VOLUME XVIL. 
NUMBER XCVIL 
Art. L—Contributions to Pepi o# by Ex1as Loomts. 
Tenth Paper. With ele WO TA ee eee 1 
Il._—Mesozoic Strata of Virginia ; by W. M. Fontaine, .... 25 
- I.—Notices of fifty ge of east-coast Fishes; by G. B. 
moorr and 7. Baan ee, a 39 
IV. Sy Sales and Stellar Magnitude of the third Saturn- - 
; ian satellite, Tethys; by E. S. Hotpmn,_-...-.----:--- 49 
__V.—Use of the Tasimeter for Moseutia the Heat of the Stars 
and of the Sun’s Corona; by T. A. Eptson, --..-----.- 2 
- Dat 
VILL. = Blectsiviis Estimation of Cadmium; by E. F.Smira, 60 
-—New Order of Extinct Reptiles SavRANODONTA) from 
the JaPassié of the Rocky Mountains; by O. C. Marsu, 85 
X.—Principal Characters of American Jurassic Dinosaurs ; : by 
O. C. Marsu. Part I. With Plates III to X,_----_.. 86 
SCIENTIFIC INTELLIGENCE. 
Chemistry and Physics. s.— Philippium, : Decipium, DELAFONTAINE, 
61.—Mosandrum: Ytterbium, Marignac, 63.—Vapor density Method, Victor 
pibakon a Zine Nickel, BemsTzIn: Fo: ion of Purpureo: 
of the Chemical El N. Lockyer: Binaural Audition, THomsow, 
Economy and raierararaalg of the Electric Light, FARME wile 
Geology ng Mineralogy. —Geological Survey of the Fortieth tee CLARENCE 
Kine, 66. erat é Territories, 
F. V. Haypen, 67 —Bulletin of oneiee States Geologi pbaad ct the Terri- 
tories: one of ears E. = flog, : Bowlders in Cosles B Hicks, 68.— 
Oil-well Records in Pennsylvania, 69. 
Botany and Zoology.— Aig is, 69.— ora Ross & retica, HEER, 70.— 
Epping ‘coohge and Haw best to aca ‘with it, 4. R. WazLace: Die Algenflora 
des Wei, Meeres, ©. Gost: No rth. "aerican Fungi, 71.—Early Types of 
8. SH ScuppEr, 72. 
stronomy. — Consta tants of th ‘orrestrial Spheroid: Failure of Meteors from 
Biela’s Comet in 1878, E. T. Sawyer: Abriss der Praktischen Astronomie, 
H, “TA, 
iscellaneous Scientific Intelligence. — International Geological Congress, 75.— 
National Academy o of eng 78. Fone York oes of cles Anales 
Me 
de cina rol ca : Sei cal 
Argen: ience N 
da ily inpge 83.  eeseatiila of Chamistry: R. ALY Wikenite: s! Handbook of 
