MICHIGAN ACADE^n OF SCIEXCK. 13 



MiSCELLANKOlS PaPEKS 



*1. 'Die occurri'iice of a .suin-rnmuc-rary ocellus In Plaiiaria maculata, by Bertram 

 G. Smith. 



2. The classification and ciistribiition of the Ancylidac, by Bryant Walker. 



3. The results of the Shiras Ex})cditi()n to W'hite Fish Point, Michigan. Pre- 



liniinary report on the Coleoptcra. A. W. Andrews. 

 1. A list of the Coleoptera taken by the Walker-Newcoml) Expedition to 

 Nevada, by A. W. Andrews. 

 *.). Aini)hibians and Hejitiles of tiic Doufiias Lake (Michigan) Region, l)y Max 

 M. EUis. 

 (i. A ncu Salamander from W'asirmgton, l)y Helen Thoihpson Gaige. 



7. The birds of the White Fisli Lake Uegion, Alger County, by Norman A. 



Wood. 



8. Epidermal sense organs in tiic tadpoles of Rana damitans, l)y Wm. K. 



Bowen. 



9. Is singing in mice a sex-linked character? Robert W. Hegner. 



10. The evolutionary significance of genetic factors, by Robert W. Hegner. 



11. Notes on parasites in the fisii of Douglas Lake, by George R. La Rue. 



1-'. Studies on the life history of a hickory beetle, Chramesus icoriae, by T. H. 



Hubbell. 

 *13. A contribution to the biology of the Protozoa, by A. G. Papwortii. 

 14. The possil)ilities of the Biological Station at Douglas Lake, Michigan, by 



O. C. Glaser. 

 i:,. The Birds of a Salt .Marsh. i)V Max M. Peet. 



SECTION OF GEOLOGY .\ND GEOGRAPHY 



L. P. Barrett, Chairman 



Room G 317, Natural Science Building 



Wednesday^ March 38, 3:00 p. m., and 

 Thursday, March 29, 9:00 a. m. axd 1:30 p. m. 



1. Some Problems of Michigan Geology. 30 minutes. R. A. Smith and L. P. 



Barrett. 



2. Erosion Forms in two square miles near Mt. Pleasant, Michigan, as shown 



by a 5-Foot Contour Map on Scale of 1:6000. 25 minutes. R. D. Calkins. 



3. Report of Progress on the Stratigraphy and Paleontology of the Lower and 



Middle Silurian of Michigan. 20 minutes. G. M. Ehlers. 

 ^1. The Geographer's Interest in Soil Surveys. 20 minutes. C. O. Saner. 

 5. Old Drift of the Cordilleran Ice Sheet. 15 minutes. Frank Leverett. 

 (). Mirabilite from Michigan. 10 minutes. Albert B. Peck. 



7. .Mtitude of the Troposphere Ceiling in Relation to the Fixed Glacial Anti- 



cyclone over Greenland. 15 minutes. W. H. Hobbs and Helen M. Martin. 



8. Exhibit of Minerals and Rocks Mineralogical Museum. 30 minutes. 



*Papers marked with a * are printed in this report. 



