PROFESSOB i:i.l As LOOMIS. \i 



itorm centers in tropical regions ; American storms advancing In n southeast- 

 erly direction ; American storms advancing northerly and easterly; course 

 of hurricanes originating near the Bay of Bengal, China Sen, &c. ; rainfall 



in tropical cyclones ; storms in the middle latitudes advancing in a westerly 



direction : storms advancing westerly over Europe and the Atlantic Ocean.) 



162. Contributions to meteorology, being results derived from an exami- 

 nation of the observations of the United States Signal Service and from 

 other sources — loth paper. (With one plate.) Am. Jour. (3), vol. 22, pp. 

 1—18. Head in N. A. S. April, 1881. (Reduction to sea level of barometric 

 observations made at elevated stations ; height of the Signal Service stations.) 



158. Contributions to meteorology, being results derived from an exami- 

 nation of the observations of the United States Signal Service and from 

 other sources — 10th paper. (With a map ) Am. Jour. (3), vol. 23, pp. 

 1-25. Read in N. A. S. November, 1881. (Mean annual rainfall for dif- 

 ferent countries of the globe ; cases of excessive rainfall ; cases of deficient 

 rainfall.) 



154. Contributions to meteorology, being results derived from an exami- 

 nation of the observations of the United States Signal Service and from 

 other sources — 17th paper. (With three plates.) Am. Jour. (3), vol. 24, 

 pp. 1-22. Read in N. A. S. April, 1882. (Relation of rain areas to areas 

 of low pressure.) 



155. Contributions to meteorology — 18th paper. (With a map.) Am. 

 Jour. (3), vol. 25, pp. 1-18. Read in N. A. S. November, 1882. (Mean 

 annual rainfall for different countries of the globe; relation of rain areas to 

 areas of low pressure.) 



156. Contributions to meteorology — 19th paper. (With three plates.) 

 Am. Jour. (3), vol. 26, pp. 442-461. Read in N. A. S. April, 1883. (The 

 barometric gradient in great storms.) 



157. Contributions to meteorology — 20th paper. (With two plates.) 

 Am. Jour. (3), vol. 28, pp. 1-17 and 81-93. Read in N. A. S. April, 1884. 

 (Reduction of barometric observations to sea level.) 



158. Letter addressed to the Chief of the Bureau of Statistics in regard 

 to the principal sources of the rainfall of different sections of the United 

 States. Report on the internal commerce of the United States. Submitted 

 May, 1885. Appendix No. 6, p. 208. Washington, February, 1885. 



159. Contributions to meteorology — 21st paper. (With a plate.) Am. 

 Jour. (3), vol. 30, pp. 1-16. Read in N. A. S. April, 1885. (Direction 

 and velocity of movement of areas of low pressure.) 



160. Contributions to meteorology. Nat. Acad. Sci. Mem., vol. 3, part 

 2, pp. 1-66. (Areas of low pressure, their form, magnitude, direction, and 

 velocity of movement ; also published as Contributions to meteorology, re- 

 vised edition. 4to, pp. 1-67, plates 1-66. New Haven, 1885.) 



161. Contributions to meteorology — 22d paper. (With a plate.) Am. 

 Jour. (3), vol. 33, pp. 247-262. April, 1887. (Areas of high pressure, 



