Knoirhdqe. 



Fig. 1. — Cirro-cumulus, isyy, Seiitember, 2.jcl. 21i. 25iii., Mean Local Time. 



Fig. 2.— R.iin-Cloud, lUu-in^ Slio«c'i7 Wi-atht-r, IH'J'.), ,ht\\, Id. »ili. .J.'jin. p.in., Local Tune. 



CLOUD PHOTOGRAPHS TAKEN AT JUVISY. 



