loS JOURNAL OF THE WASHINGTON ACADEMY OF SCIENCES VOL. 11, NO. 6 



and ponds which are shown and named on topographic maps of Vermont 

 and such other maps as are available for areas not yet covered b}' topographic 

 maps. In this list are included nearly three hundred lakes and ponds and 

 over fi\'e hundred and fifty streams. C. H. P. 



PALEONTOLOGY. — The fauna of the Cannonhall marine member of the 

 Lance formation. Timothy W. Stanton and Thomas Wayland 

 Vaughan. U. S. Geol. Survey Prof. Paper 128-A. Pp. G7, pis. 10, figs. 3. 

 1920. 

 The Cannonball member is the latest marine deposit known in the Great 

 Plains province and thus adds one more item to the record of the sea's ad- 

 vances and retreats which mark the diastrophic history of the region that 

 includes the Great Plains and the Rocky Mountains. It is intimately as- 

 sociated with some of the continental deposits which lie near the boundary 

 between Cretaceous and Tertiary and concerning whose exact age there has 

 been and still is difi'erence of opinion. It lies immediately beneath the Fort 

 LTnion formation and rests on continental deposits of the Lance formation, 

 which in turn overlie the marine Cretaceous Fox Hills sandstone. Its fauna 

 is strictly marine and includes 2 species of Foraminifera, 6 of corals, 60 of 

 Mollusca, and 2 of sharks. 



Geographically and historically the Cannonball member is much more 

 closely connected with the Cretaceous than with the Eocene, foi the reason 

 that it is in the midst of an area that was covered by the sea practically 

 throughout Upper Cretaceous time, while it is a thousand miles distant from 

 recognized marine Eocene deposits. The conclusion is therefore reached 

 that the Cannonball marine member and consequently the whole of the 

 Lance formation is of Cretaceous age. R. W. Stone. 



PROCEEDINGS OF THE ACADEMY AND AFFILIATED 



SOCIETIES 

 WASHINGTON ACADEMY OF SCIENCES 



BOARD OP MANAGERS 



The 244th meeting of the Board was held on October 2.5, 1920. The pub- 

 lication of a new edition of the "Red Book" (the directory of the Academy 

 and its affiliated societies) was authorized. At the request of Dr. George 

 F. Bowerman, Librarian of the Pubhc Library of the District of Columbia, 

 a committee consisting of the president and resident vice-presidents was 

 appointed to compile a list of popular books in science. The following Com- 

 mittee on Meetings for the season 1920-21 was announced: A. H. Clark, 

 Chairman, G. N. Collins, E. F. Mueller, G. W. Stose, E. T. Wherry. 

 Routine business was transacted at the 24.3th meeting on November 29, 1920. 

 The question of increased rates for the assembly hall at the Cosmos Club for 

 the Academy and its affiliated societies was considered at the 240th meeting, 

 December 27, 1920. 



