SCIENCE 



[N. S. Vol. XXVII. No. 704 



A Study in Wing Venation, Family Aphid- 

 idw: C. E. Baetholomew. 



Protective Adaptations in the Nesting Habits 

 of Some Central American Birds: M. E. 

 Peck. 



Revival of an Old Method of Brain Dissec- 

 tion: H. J. HOEVE. 



Myxomycetes of Iowa: T. H. McBride. 



StratigrapMc Position of Bed-Beds: Charles 

 E. Keyes. 

 The possible significance of the Eort Dodge 



gypsum beds is discussed on the theory that 



they are Carbonic in age, recent data bearing 



upon the Eed-Beds problem as obtained in 



southwestern United States being correlated 



with the Iowa section. 



Some Relatione of the Older and Younger 



Tectonics of the Great Basin Region: 



Charles E. Keyes. 



The moot questions regarding the origin of 

 the basin ranges of western America are dis- 

 cussed in the light of the latest observations 

 in the region. Two distinct periods of moun- 

 tain building are recognized, the older of 

 which is not considered as having any in- 

 fluence on the genesis of the present moun- 

 tains. The present aspect of the existing 

 ranges is chiefly due to erosive action of 

 eolian character and under the peculiar condi- 

 tions of an arid climate. 

 Eolian Origin of Certain Lake Basins of the 



Mexican Tableland: Charles E. Keyes. 



Extensive lake basins in the various bolson 

 plains of the northern part of the Mexican 

 tableland are shown to occur under conditions 

 that indicate clearly that the basins were 

 hollowed out by wind action, under conditions 

 of extreme aridity. The phenomenon is be- 

 lieved to be one of the minor and temporary 

 results of general desert leveling in an arid 

 region. L. S. Eoss, 



Secretary 



the north CAEOLrNA academy of science 



The North Carolina Academy of Science 



held its seventh annual meeting at the State 



Normal College, Greensboro, N. C, on Friday 



and Saturday, May 1 and 2, 1908. 



The academy was called to order at 3:30 

 P.M., May 1, by the president, T. Gilbert Pear- 

 son. A letter of welcome to the academy 

 from President J. J. Foust, of the college, 

 was read. A response to this welcome was 

 made by the retiring president. Collier Cobb, 

 of the academy. 



At 8:30 P.M. the academy met in the audi- 

 torium of the Students' Building and the 

 presidential address, " An Historic Sketch of 

 Ornithology in North Carolina" (illustrated 

 by lantern slides), was delivered by President 

 T. Gilbert Pearson. Following this address, 

 a reception was tendered the members of the 

 academy by the faculty and students of the 

 senior and junior classes of the college in the 

 dining-room of Spencer Building. 



At 9 A.M. Saturday, May 2, the academy 

 convened for a business meeting. Eeports of 

 various committees were heard. The report 

 of the treasurer showed a balance of $119.60. 

 Seven new members were elected. The fol- 

 lowing officers were chosen for the ensuing 

 year: 



President — Tait Butler, Department of Agri- 

 culture, Raleigh, N. C. 



Vice-President — J. J. Wolfe, Trinity College, 

 Durham, N. C. 



Secretary-Treasurer — E. W. Gudger, State Nor- 

 mal College, Greensboro, N. C. 



Executive Committee — Chas. H. Herty, Univer- 

 sity of North Carolina, Chapel Hill, N. C; John 

 F. Lanneau, Wake Forest College, Wake Forest, 

 N. C; W. H. Pegram, Trinity College, Durham, 

 N. C. 



The next meeting of the academy will be 

 held at Trinity College, Durham, N. C, May, 

 1909. 



The following papers were presented: 



The Amanitas of the Asheville Plateau: H. 



C. Beardslee, of Asheville, N. C. 



The following list of species was reported: 

 Amanita ccBsarea Scop., A. virosa, A. phal- 

 loides Fr., A. mv^caria Linn., A. pantherina 

 DC, A. junquillea Quel., A. strobiliformis 

 Paul., A. solitaria Bui., A. echinocephala 

 Vitt., A. rubescens, A. cinerea Bres., A. nitida 

 Fr., A. vaginata Fr., A. volvata Pk., A. fari- 

 nosa Sohw., A. mappa Fr. 



