July 25 - Tuesday. Camp III. Resumed work this morning on the same beds of slate yesterday. In the face of the creek bluff (locality 1) I noticed Baculites. Locality 2 is at the base of the most promi- ent sandstone ridge and contains oysters, large Inoceramus, Clypeaster? (now in Lafayette Coll, pa. Prof Reed). Many speci do not appear to be present. Have three specimens. Locality 3 contains a number of small speci. I have specimens. Loc. 4 we named the gastropod lagen although other horzons have numerous gastropods. I have specimens. I have included a number of lagen in a Loc. 5. Ammonites lagen. This horizon is very polifide in fossils and has not only Hamites, Doli- ceras, Baculites but also Placenticeras, Pygohceras and another genus of Ammonite. Five large gastro- pods occur here. Prof. Bartow had the luck to find the finest nodules and secured a large collection. Ammonites occur & occur in other widely separated zones but this is the