With regard to <hi xmlns="http://www.tei-c.org/ns/1.0" rendition="#u">Atmospheric phenomena</hi>, I found the <choice xmlns="http://www.tei-c.org/ns/1.0"> <abbr>S.</abbr> <expan>South</expan> </choice> East wind <lb xmlns="http://www.tei-c.org/ns/1.0" />to prevail up to <measure xmlns="http://www.tei-c.org/ns/1.0" quantity="18000" unit="foot">18,000 feet</measure>; whereas, at <measure xmlns="http://www.tei-c.org/ns/1.0" quantity="24000" unit="foot">24,000</measure>, the westerly current <lb xmlns="http://www.tei-c.org/ns/1.0" />is perennial. The <choice xmlns="http://www.tei-c.org/ns/1.0"> <abbr>S.E.</abbr> <expan>South East</expan> </choice> wind is all but perennial in <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0010238 https://www.geonames.org/1256312">Sikkim</placeName>, but is consi<g xmlns="http://www.tei-c.org/ns/1.0" ref="#typoHyphen" /><lb xmlns="http://www.tei-c.org/ns/1.0" break="no" />derably checked by the <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0006863 https://www.geonames.org/1252558">Himalayah</placeName>; still, it keeps <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0009370 https://www.geonames.org/1279685">Thibet</placeName> cloudy & <lb xmlns="http://www.tei-c.org/ns/1.0" />showery from May till <choice xmlns="http://www.tei-c.org/ns/1.0"> <abbr>Oct<hi rendition="#sup">r</hi></abbr> <expan>October</expan> </choice>.<space xmlns="http://www.tei-c.org/ns/1.0" dim="horizontal" /> The <choice xmlns="http://www.tei-c.org/ns/1.0"> <abbr>S.</abbr> <expan>South</expan> </choice> East Monsoon hardly reaches <lb xmlns="http://www.tei-c.org/ns/1.0" /><placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0010238 https://www.geonames.org/1256312">Sikkim</placeName>: the currents, being generally between the <subst xmlns="http://www.tei-c.org/ns/1.0"> <del rendition="#ow"><gap reason="covered" unit="words" quantity="1" /></del> <add place="across"><placeName ref="https://edition-humboldt.de/H1541238">Garrows</placeName></add> </subst> & the <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H6580249">Rajma<g ref="#typoHyphen" /><lb break="no" />hal Mountains</placeName>, cause the <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0010238 https://www.geonames.org/1256312">Sikkim</placeName> <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0006863 https://www.geonames.org/1252558">Himalayah</placeName> to be much wetter than <lb xmlns="http://www.tei-c.org/ns/1.0" />the <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0005234 https://www.geonames.org/1252634">Bhotan</placeName> Mountains, which are sheltered by the <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H2759692 https://www.geonames.org/1266856">Khossyah</placeName>. In these<pb xmlns="http://www.tei-c.org/ns/1.0" n="306r" /><fw xmlns="http://www.tei-c.org/ns/1.0" type="folNum">9</fw>latter mountains, the rain is excessive: <measure xmlns="http://www.tei-c.org/ns/1.0" quantity="350" unit="zoll_englisch">350 inches</measure> fell last year at <lb xmlns="http://www.tei-c.org/ns/1.0" /><placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H3488959">Churra</placeName> & <measure xmlns="http://www.tei-c.org/ns/1.0" quantity="120" unit="zoll_englisch">120</measure> this last <date xmlns="http://www.tei-c.org/ns/1.0" from="1850-07-01" to="1850-07-31" calendar="#gregorian">July</date>. I have, several times, carefully measured <lb xmlns="http://www.tei-c.org/ns/1.0" /><measure xmlns="http://www.tei-c.org/ns/1.0" quantity="11" unit="zoll_englisch">11 inches</measure> in 12 hours. There is no error in my Instruments, nor in <lb xmlns="http://www.tei-c.org/ns/1.0" />those<choice xmlns="http://www.tei-c.org/ns/1.0"> <orig>,</orig> <reg /> </choice> established at <subst xmlns="http://www.tei-c.org/ns/1.0"> <del rendition="#s"><placeName ref="https://edition-humboldt.de/H0016218 https://www.geonames.org/1275004">Calcutta</placeName></del> <add place="superlinear"><placeName ref="https://edition-humboldt.de/H3488959">Churra</placeName></add> </subst><supplied xmlns="http://www.tei-c.org/ns/1.0" cert="high">.</supplied> The Atmospheric pressure Temperature <lb xmlns="http://www.tei-c.org/ns/1.0" />& the Wet Bulb I register as often as possible, without interfering <lb xmlns="http://www.tei-c.org/ns/1.0" />with my other pursuits; & I find that a Thermometer, buried at <measure xmlns="http://www.tei-c.org/ns/1.0" quantity="3" unit="foot">3 <lb />feet</measure>, gives very valuable results.