772 Wisconsin Academy of Sciences, Arts, and Letters. 
Peckham, George W. and Elizabeth G. The Attidae of Borneo. .XV., 603 
- [Revision of the Attidae of North America...XVI., 355 
Peckham, George W. See also Gifford, Elizabeth M. 
Peet, Stephen D. Primitive architecture in America.V., 290 
-Ancient villages among emblematic mounds. .VI., 154 
- The so-called elephant mound in Grant County and effigies in 
the region surrounding it.VII., 205 
- The clan centers and clan habitat of the effigy builders. .VIII., 299 
- The animal effigies of Wisconsin and the totem system. .XVI., 320 
Pengra, Charlotte E. On the conformal representation of plane 
curves, particularly for the cases p— 4, 5, and 6-XIV., 655 
Pierson, Merle. The relation of the Corpus Christi procession to the 
Corpus Christi play in England.XVIII., 110 
Pinetenpol, W. D. Selective absorption in the visible spectrum of Wis¬ 
consin Lake waters. (With thirteen Figures).XIX., 562 
Plumb, Ralph G. Early harbor history of Wisconsin.XVII., 187 
Puls, Arthur J. The need of a medical faculty in connection with 
the State University.XI., 236 
Reed, George M. Infection experiments with Erysiphe graminis, 
D. C.XV., 135 
-Infection experiments with the mildew on cucurbits. Erysiphe 
cichoracearum D. C.XV., 527 
Regan, Katherine P. Economic and social development of La Fayette 
county . XIII., 582 
Rickett, !H. W. A quantitative study of the larger aquatic plants of 
Lake Mendota. (With Plate XXXVIII).jXX., 501 
Roedder, Edwin C. Richard Wagner’s “Die Meistersinger von 
iNurnberg” and its literary precursors.XX., 83 
Safford, Truman H. On the present state of our knowledge of Stellar 
motion .VI., 145 
-On the employment of the method of least squares in the reduc¬ 
tion of transit observations..VII., 193 
-Combinations of Pythagorean triangles as giving exercises in 
computation . ...XII., 505 
Salisbury, R. D. Notes on the dispersion of drift copper.VI., 42 
Sanborn, John Bell. Railroad land grants.XII., 306 
Sands, M C. Nuclear structure and sport formation in Microsphaera 
alni .XV., 733 
iSawyer, W. C. Letters an embarrassment to literature.IV., 50 
- The philosophy of F. H. Jacobi.V., 146 
Schlundt, Herman. The radioactivity of some spring waters at 
Madison, Wisconsin .XVI. 1245 
Schorger, A. W. Contribution to the chemistry of American conifers. 
(With one Table) . XIX., 728 
Schuette, H. A. A biochemical study of the plankton of Lake Men¬ 
dota . XIX., 594 
Schuette, ,H. A., and Hoffman, Alice E. Notes on the chemical com¬ 
position of some of the larger aquatic plants of Lake Men¬ 
dota. I. Cladophora and Myriophyllum...XX., 529 
