JEach VErt&al intecspacH tepresents one degree Tahrenheit. and the fracturnal pans of a degree are indkalEd as exactly as possible in the plotting of the curves. Eaci fifth 

 flegjEB isTcpresEttted by Sf shgjifly heavier JTne. ' Tte traiiBverse intexspaces "indased by thB beavier Kneg represera periods of ten days each, as indicatal by the dates on ^tlie 

 Jefishaad dste of the plats Xbe lighisp transrerse ILdes, intermediate tetween the hsavies onesi are inieniJed to repr^Eini tiE mean of each ten days', and fha curves of temper- 

 IttDiE are pkmEd>j(ith'lreferEnoBta these TioEa lis leMand vertkal divisron is devoffid to diB air temperatures far iSSi.i 882 and iSBg.thH imddls divisicm to the "smiacE 

 vaterEmgErainres htli^ Bama YEaiSi thns ^esa^dm of a orajpaiJsDfl of ths two: and diH dght-lsiid diviaon la the water temperamres for 1884 and iSSy, 



