plant which grows upon series or it is a burnow. The aridz of Arthro- physcum genus some are quite narrow and others have considerable aridz. In the Nacajara slabs I seeem to Lepidocorinus, Eucalyptorinus and two Stephanocorinus besides a couple of bryozoa slabs. Met Dr. J. Pettit who has a fine collection of Nacajora crinoids. He intends to give them away to the village mechanical school. Stopped over myself at the summer residence of Col. Grant at Grinnna. Sep. 18. Collected all day in the Clinton along the mountain back of Hamilton, gained a good lot of he characteris- tic fossils. In the evening called at Col. Grant home. He gave me a large lot of Melania