22 



ANNUAL REPORT OF THE 



collecting and preparing a series of rocks for the University of 

 Missouri, and in gathering material from localities in Eastern 

 Massachusetts for exchange with the laboratories of other institu- 

 tions. As Assistant Geologist of the U. S. Geological Survey, 

 Mr. Woodworth spent a week in January in the examination of 

 the Richmond coal basin, work on which was resumed again in 

 June. Other work done in connection with this organization is 

 set forth in the report of Professor Shaler in the 17th Annual 

 Report of the Director of the Survey. 



Dr. R. T. Jackson reports that the collections used in teaching 

 Palaeontology are in good condition, and have received some desira- 

 ble accessions. A new feature has been introduced in wall diagrams 

 for class use. These diagrams are photographic enlargements 

 of structural and developmental figures of fossils, taken directly 

 from original publications. The method was adopted first by 

 Dr. W. M. Woodworth of the Zoological Department, and it has 

 proved to be very useful in palseontological instruction as well. 



A few palseontological papers and specimens have been received 

 as gifts from Professors C. E. Beecher and A. Hyatt, and Messrs. 

 Wm. F. E. Gurley, C. L. Whittle, and J. B. Woodworth. 



The most important accessions of material to the Department 

 are choice specimens of Metacrinus rotundus and Nautilus pom - 

 pilius, both in alcohol, purchased of Ward's Natural Science 

 Establishment. From the same source was obtained a collection 

 of Permian fossils from Europe. A collection of Permian and 

 Cretaceous fossils from Kansas was purchased of Mr. C. N. Gould. 

 A choice lot of Cretaceous Invertebrates, recently collected by 

 Mr. C. L. Johnson, in Texas, Alabama, and New Jersey, was 

 purchased of the Wagner Free Institute of Science. A limited 

 number of Silurian Sponges and Brachiopods, showing silicified 

 arms and other details of structure, was purchased of Mr. G. K. 

 Greene. 



As in previous years, Dr. Jackson spent a considerable part of his 

 time in working on the Palseontological collections of the Museum. 



Mr. T. A. Jaggar, Jr., reports as follows concerning the advanced 

 courses in Geological Field and Laboratory Work : — 



During the past year, research in general geology has been 

 carried on in two courses : Geology 22a, planned for students just 



