306 CARNEGIE INSTITUTION OF WASHINGTON. 



The report in preparation will contain detailed maps of the known 

 Permo-Carboniferous localities and paleogeographic maps of the time 

 restorations of the various animals, and a full discussion of their life 

 histories and environment. 



As a part of the work done under this grant Dr. Case has prepared, 

 in collaboration with Professor Williston, of the University of Chicago, 

 and Dr. Mehl, of the University of Wisconsin, a report on the Permo- 

 Carboniferous Vertebrates of New Mexico, which has appeared as 

 PubKcation 181 of the Carnegie Institution of Washington. 



Hay, Oliver P., U. S. National Museum, Washington, District of Columbia. 

 Grant No. 837, allotted December 13, 1912. Investigation of the 

 vertebrate paleontology of the Pleistocene epoch. (For previous report 

 see Year Book No. 11.) $3,000 



During the year which has elapsed, most of my time has been 

 passed in studying the Pleistocene vertebrate material in the U. S. 

 National Museum. As before, I have also been engaged in collecting 

 data regarding finds of Pleistocene vertebrates, mapping them and 

 studying their relationships to the various recognized glacial drift 

 sheets. From some of the localities have been received extremely 

 valuable skulls and other remains. 



During the latter part of 1912 I was engaged in the study of the 

 fossil horses of our country. From the United States I described 

 four new species, two of them based on nearly complete skulls; from 

 Alaska was described a new subspecies whose type is a large part of a 

 skull. Two new ruminants were described from the Pleistocene of 

 Iowa. The early part of the present year was devoted to a study of 

 the fossil bisons of North America. Following this I examined some 

 of the Pleistocene camels. Papers on both these groups are in press. 



A paper of about 250 pages has been published on the Pleistocene 

 vertebrates of Indiana. This region furnishes an important late 

 Pleistocene fauna. Some attention has been given to the fossil mam- 

 mals of Iowa, where an early Pleistocene fauna has come to light. 



Wieland, G. R., Yale University, New Haven, Connecticut. Grant No. 

 838, allotted December 13, 1912. Continuation of investigations on 

 fossil cycads. (For previous reports see Year Books Nos. 2-4, 6-9, 

 and 11.) $3,000 



From the very beginning of these investigations of fossil cycads it 

 has been evident that the widest study of Mesozoic floras was insepa- 

 rably involved, and, as explained in previous reports, this wider study 

 was successfully begun in the field in Mexico. It has, however, 

 required some time for the Instituto Geologico de Mexico to bring 

 out the results of the Mexican explorations, although the volume on 

 the Oaxacan plants will soon appear, inasmuch as the entire series 

 of fifty heliotyped plates has been printed and the accompanying text 

 is in the printer's hands. This volume is entitled "La Flora Liasica 



