Miscelianeous Intelligence. 245 
IV. MisceELLANEous ScreNnTIFIC INTELLIGENCE. 
1. Direction of Frost-striations in Mud ; Rev. F. R. Goutprxe. 
(Extracts from a communication dated Roswell, Cobb Co., 
Georgia.)—I ask the privilege of calling attention to a natural 
phenomenon which has long enlisted my interest and that of a 
few others, but which remains, so far as known, without explana- 
the soil wholly different 
These strie invariably run from northwest to southeast, and this 
18 So in shaded as in sunny places, and whether the wind at the 
time blew, or whether the air was still. They begin to appear 
before the frozen surface has thawed. Further, the direction is 
he writer would be glad to receive any facts that 
whether any uniformity of direction is observable elsewhere, and 
that will, if so, lead to its explanation. 
New Chemistry; by Jostan P. Cooke, Jr. 326 pp. 
rk. Zh ] 
and Avogadro’s law; 2. The molecul 
States of matter—the gas, the liquid, and the solid; 3. How mole- 
cules are weighed; 4. Chemical composition—analysis and syn- 
ra 5. Elementary substances and com- 
bining proportion ols ; 
7. Chemical reactions; 8, Chemical changes classified; 9. The 
theory of combustion; 10. Gunpowder and Nitro-glycerine ; 11 
Quantivalence and metathesis—alkalies and acids; 12. Electro- 
chemical theory ; 13. Isomerism, and synthesis of organic com- 
e, 
