PUBLICATIONS 



OF THE 



WASHINGTON ACADEMY OF SCIENCES. 



The Academy is publishing on the brochure plan, a series of papers 

 under the general designation Proceedings of the Washington 

 Academy of Sciences. Four volumes have been issued, Vol. I, 

 for 1899, Vol. II, for 1900, Vol. Ill, for 1901 and Vol. IV, for 1902. 

 The Proceedings are sent to all members of the Academy. The 

 volumes and also the separate brochures are for sale at the prices 

 affixed, and will be sent, postpaid, on receipt of price. 



Volume I, 1899. Completed Feb. 14, 1900. xiv + 347 pages, 26 



plates, 1 1 figures. 



Bound in paper ------_. $3.00 



Bound in cloth -------- 3.50 



This volume comprises 8 brochures as follows : 



First Annual Report of the Secretary ; by G. K. Gilbert. 



14 pages ---.-_ ,25 



Revision of the Squirrels of Mexico and Central America ; 



by E. W. Nelson. 95 pages, two plates - - .50 



Synopsis of Mexican and Central American Umbelliferae ; by 



John M. Coulter and J. N. Rose. 48 pages, 1 1 plates .50 



Economic Development of the District of Columbia ; by Car- 

 roll D. Wright. 26 pages - - - - .25 



Political Development of the District of Columbia ; by Henry 



E. Davis. 31 pages ----- .25 



Coming of the White man and Founding of the National Cap- 

 ital ; by Ainsworth R. Spofford. 30 pages - .25 



Description of a new genus and twenty new species of fossil 

 Cycadean Trunks from the Jurassic of Wyoming ; by 

 Lester F. Ward. 47 pages, 8 plates - - .50 



Lower Cambrian Terrane in the Atlantic Province ; by C. D. 



Walcott. 38 pages, 5 plates ... .^o 



Volume II, 1900. xvi 4- 694 pages, 37 plates, 43 cuts 



Bound in paper ------ $4.50 



Bound in cloth ------ 5.00 



This volume comprises 36 brochures, of which 19 are papers from 

 the Harriman Alaska Expedition, 4 are results of the Branner Agassiz 

 Expedition to Brazil, and the remaining 13 are miscellaneous papers, 

 as follows : 



Papers from the Harriman Alaska Expedition. 



I. Descriptions of Twenty-six New Mammals from 

 Alaska and British North America; by C. Hart 

 Merriam. 17 pages - - - - .25 



II. Harrimatiia maculosa^ a New Genus and Species of 

 Enteropneusta from Alaska, with Special Regard 

 to the character of its Notochord ; by William E. 

 Ritter. 22 pages, i plate - . - .2^ 



III. Multiplication of Rays and Bilateral Symmetry in the 

 20- Rayed Star-fish, Pycnopodla helianthoides\ by 

 William E. Ritter and Gulielma R. Crocker. 

 25 pages, I plate - - - - - .25 



