476 



CATALOGUE. — METEOROLOGV, KAIN. 



Schenmark. Scliw. Abh. XXVI. 159. 

 UIloii's voyages. 11. 



It never rains in Peru, but for a part of the year the at- 

 mosphere is obscured by thick fogs, called garuas. 

 Franklin. 1756. Ph.tr. 1765. 182. 



Observes, that a small black cloud portends rain, denoting 

 the beginning of a current of cold air from above. 



Franklin and Percival on the difference of 

 rain at different heights. Manch. M. II. 



No satisfactory theory. 

 *Heberden on the rain falling at different 

 heights. Ph.tr. ntHj. 359. 



In 1706, li.l inches fell at the top of Westminster 

 abbey, below the houses, 22.fi. 



Barringlon on the rain on mountains. Ph.tr. 



1771.294. 



Not much less than on the plains. 



Dobson. Ph. tr. 1777.255. 



Confirms Meberden's remark. 



Bertholon Nn a cause of rain. Roz. XIV. 482. 

 Ducarla on rainy winds. Roz. XVIII. 446. 

 Deluc Idees sur la meteorologie. 

 Deluc on vapours and rain. Roz. XXXVI. 276. 

 Letter to Hutton in the Monthly Review. 



1789. 

 Chiminello on the fall of rain in different 



centuries. A. Sienn. VI. 1. 

 Hutton's theory of rain. Ed. tr. 1. 41. II. SQ. 



Observes, that since the capacity of air for moisture in- 

 creases faster than the temperature, there must he a deposi- 

 tion of moisture when two saturated portions of air at differ- 

 ent temperatures are mixed. 



liibes on rain. Roz XL. 85. 

 Erxleben. II. 735. 



It is said, that the drops of rain, .at the equator, are some- 

 times an inch in diameter. 



Ijichtenberg's reraarkson rain. Gilb. II. 121. 

 Hassenfratz on snow and rain. Journ. Polyt. 



I. iv. 570. Repert. XIV. 64. 

 Saussure on dryness preceding rain. Gilb. 



1.317. Nich. I. 511. 

 Zylius on rain. Gilb. V. '257- 

 Kirwan on rain. In tr. Nich. 8. V. 120. 

 Electric theory. 



Gough. Manch. M. IV. 



Observes, that the quantity of rain at different heights i« 

 nearly as the height of the point of perpetual cong«lation 

 above the gage. 



Dalton on rain and dew. Manch M. V. 346. 



Nich. 8. IV. 159. Repert. ii. I. 203. 



Dalton found the rain of a gage, so yards high, in sum- 

 mer i, in winter i as much as that of a gage below. 



Howard on Hutton's theory of rain. Ph. M. 

 XIV. 55. 



It has been remarked, that the largest quantities of rain 

 fall on the hills, where they arc the most wanted, since 

 they soon run off, from the inclination of the ground. 



Rain Gages. 



register. 



Hooke's statical rain gage and 



Birch. III. 477. 

 Perrault. A. P. II. 25. 

 Loup. Th. Aerostat, t. 17, 18. 

 Grischow's hyetometer. M. Berl. 1734. IV. 



349. 

 Pasumot's rain and snow gage. Roz. VIII. 43. 

 Landriaiii's chrouhyometer. Soc. Ital. I. 205. 



Roz. XXII. 280. 



Registering the time and quantity. 



Garnctt on rain gages. Ir. tr. V. 357. 



Some of these gage? measure the quantity by wheelwotk. 



Particular Registers of Rain. 



See MeteorologicalJournals. 

 Townley on the rain at Townlcy, in Lanca- 

 shire. Ph. tr. 1694. XVIII. 



The average of ) 5 years was 41.518. 



Ph.tr. 1696. XIX. 357. 



At Grcsham College. 



Derham. Ph. tr. 1714. XXIX. ISO. 



At Upminster. 



Hoisley. Ph. tr. 1723. XXXII. 328. 



In Nonhumberland. 



Grischow. M. Berl. 1734 . . IV. . 



Linings. Ph.tr. 1745. XLIII. 330, 1753.284. 

 At Charlestown, 



