tall by 30 inches long, these probably a little over 3 feet long. From New Haven to New York had the Company of Mr. and Mrs. Miller of Washington. A new mount of Osborn's department is a case terrace to show adaptive radiation. [illegible] The time periods Eocene, Oligocene, Miocene, Pleiocene Pleistocene and Recent are shown in circles, & the center is a picture of Condylarths all from there radiate a series of teeth radially arranged of Titanotheres, Horse, Rhinoceros and Tapirs. It did not impress me as teaching much because too much is intended to be shown by the tooth and the space is not large enough. It illustrates an idea that should never be attempted in a public exhibition. It is practically impossible to illustrate radiation and evolution in this way. A better way is to show a series of the animals mounted and teeth cases with facts to illustrate the facts under evolution. The other day Herrmann told me that