"of Plesiosaurus. Otherwise they are found in the States. Among the first I noticed a piece of bat-lignite. Kansas Cretaceous fossil material is very unsatisfactory but is found plentifully. I am always very much flattered. To collect this material delicately says one must devote his entire time to it and collect almost nothing else. Plaster is a necessary part of the outfit. The large Mintaceras slab is a very good one and much better than the one he wishes to see. The latter never lodged in $700^{ ext{th}}$ which will also contain several boxes of smaller pieces with single specimens! All of this material came from near Elkhader Logan county and is found within a horizon of 15 feet. They have quite a good chance if