MUSEUM OF COMPARATIVE ZOOLOGY. 11 



Geology, intended as a course parallel to Geology 4. Course 5 

 was given in the Laboratory in the first half of the year, when the 

 room was not otherwise occupied ; Courses 5a, the Lecture Course, 

 and 8, were given in the Lecture Room. In addition to these 

 courses, one on Glacial Geology was conducted by Mr. Woodman. 

 Thirtv Radcliffe students were enrolled in these courses. 



Scientific work was carried on as in the previous year, in co-oper- 

 ation with Professor Shaler, in the investigation of the Richmond 

 area of Newark rocks in Virginia. The month of September, 1897, 

 and a part of the mid-year examination period, were devoted to 

 work in the field. A report on the structure and physical history 

 of this basin was completed during the winter and spring, and 

 submitted to the director of the U. S. Geological Survey in June, 

 1898. During the year there was published : — 



Charles Thomas Jackson, by J. B. Woodworth, American Geolo- 

 gist, Vol. XX., August, 1897, pp. 69-110, and a notice of La Face de 

 la Terre, by Edward Suess, Vol. I., Paris, 1897, Science, Vol. VII., 

 1898, pp. 803-806. 



The summer of 1898 was spent in Europe, including an exami- 

 nation of parts of the British Islands, Moens Klint, and the glaciers 

 of the Rhone Valley and Chamonix. 



Mr. J. E. Woodman carried on geological work in Nova Scotia 

 in the summer .of 1897, the results of which he has presented to 

 the Boston Society of Natural History. In 1898, he led the ele- 

 mentary Summer School of Geology in Cambridge, and conducted 

 field investigations in Cape Breton. 



Mr. Jaggar reports as follows on the work done in the Labora- 

 tory of Experimental Geology. 



During the past winter work has continued in the Laboratory of 

 Experimental Geology under the direction of T. A. Jaggar. Mr. 

 V. F. Marsters completed a research on the synthesis of basalt, 

 reproducing in the Fourquignon furnace a series of crystalline 

 basaltic rocks containing augite, hypersthene, picotite, labradorite, 

 oligoclase, and olivine, with glass in varying amounts. Mr. G. H. 

 Noyes completed two models illustrative of the effect of initial 

 fracture in guiding the deformation of strata, and performed a 

 series of experiments to illustrate the process of formation of 

 glacial sand deltas. 



