122 



Kansas Academy of Science. 



Trans. Kansas Acad. Sci., Vol. XXIX. 



tva.f'- 



Inches 



PLATE VIII. 



fy^ I S 10 'S- iO JS- 30 iin 



Fig. 7. Evaporation curve for May, 1917. 



PLATE IX. 



c v-a b 



Inches 



TOO 



(,00 



'iOO 



300 



June - / 



5- /a IS 20 25- 



FlfJ. 8. Evaporation curve for June, 1917. 



