198 



REPORT OF NATIONAL MUSEUM, 1919. 



TvNOWLTON, F. H. Relations between 

 the Mesozoic floras of North and 

 South America. 



Bull. G^ol. 8oc. Anver., vol. 



29, Dec. 30, 1918, pp. 



607-614. 

 Reviews briefly the Mesozoic 

 floras of North and South America 

 and shows that, owing to the 

 meagernc'ss of our knowledge con- 

 cerning the South American floras, 

 there is comparatively little de- 

 monstrable relationship between 

 the two continents. The paper 

 also discusses the probable routes 

 by which the several floras were 

 distributed, and concludes that the 

 Triassic and Jurassic floras of 

 South America apparently reached 

 there by way of an Antarctic land 

 mass (Gondwana Land), whereas 

 the Cretaceous floras presumably 

 came from North America by way 

 of a land bridge joining the conti- 

 nents. 



Description of a supposed new 



fossil species of maize from Peru. 



Journ. Washinffton Acad. 

 8ci., vol 9, no. 5, Mar. 4, 

 1919, pp. 134-136, 1 fig. 

 Describes under the name Zea 

 antiqua a remarkably well-pre- 

 served ear of maize or Indian corn 

 from Peru. Its precise geologic 

 occurrence is not known, hence Its 

 exact age can not be determined, 

 but from the fact of its complete 

 fossilization it is presumed to be 

 some thousands of years old. It 

 is hardly to be distinguished from 

 a type of maize now living in the 

 region about Lake Titicaca. 



Leavy, Joseph B. The United States 



Government collection of postage 



stamps. 



The Philat. Gaz.: vol. 8, 



no. 7, July, 1918, pp. 



235-237; vol. 8, no. 8, 



Aug., 1918, pp. 271-273 ; 



vol. 8, no. 9, Sept., 1918, 



pp. 302-305. 



This is a complete and detailed 



list of the stamps in the Museum 



exhibition collection and is based 



entirely upon Museum material. 



New issue notes and chronicle. 



The Philat. Qaz.: vol. 8, 

 no. 7, July, 1918, pp. 

 224-231; vol. 8, no. 8, 

 Aug., 1918, pp. 258-262 ; 

 vol. 8, no. 9, Sept., 1918, 

 pp. 292-297; vol. 8, no. 

 10, Oct., 1918, pp. 325- 



Leavy, Joseph B. — Continued. 



333 ; vol. 8, no. 11, Nov., 

 1918, pp. 354-356; and 

 vol. 8, no. 12, Dec, 1918, 

 pp. 391-397. 

 Amer. Philat.: vol. 32, no. 

 2, Nov., 1918, pp. 34- 

 37; vol. 32, no. 3, Doc, 



1918, pp. 69-73 ; vol. 32, 

 no. 4, Jan., 1919, pp. 

 100-108 ; vol. 32, no. 5, 

 Feb., 1919, pp. 147-153; 

 vol. 32, no. 6, Mar., 



1919, pp. 193-198; vol. 

 32, no. 7, Apr., 1919, pp. 

 241-253; vol. 32, no. 8, 

 May, 1919, pp. 289-302, 

 and vol. 32, no. 9, June, 

 1919, pp. 325-339. 



This is a series of notes on new 

 issues of foreign stamps received 

 from the International Bureau of 

 the Universal Postal Union, Berne, 

 Switzerland, through the Post 

 Office Department, and is based 

 entirely upon Museum material. 



What the first issue of United 



States postage stamps teaches. 



Amer. Philat.: vol. 32, no. 

 2, Nov., 1918, pp. 21-25. 



History and biography of the 



1851-60 issue, 



Amer. Philat.: vol. 32, no. 

 3, Dec, 1918, pp. 53-60 ; 

 vol. 32, no. 4, Jan., 1919, 

 pp. 90-93, vol. 32, no. 5, 

 Feb., 1919, pp. 133-135. 



History and biography of the 



18G1-67 issue. 



Amer, Philat.: vol. 32, no. 

 6, Mar., 1919, pp. 177- 

 181 ; vol. 32, no. 7, Apr., 

 1919, pp. 221-230; vol. 

 32, no. 8, May, 1919, pp. 

 277-283; and vol. 32, 

 no. 9, June, 1919, pp. 

 317-321. 

 These articles deal principally 

 with biographies of the portrait 

 subjects of the stamps and the 

 artists executing the originals, 

 and the postal history of the 

 stamps themselves and their rea- 

 sons for being brought Into exist- 

 ence. 



Catalogue of the postage 



stamps and stamped envelopes of the 



United States and possessions, issued 



prior to January 1, 1919. 



Bull. U. ff. Nat. Mits., no. 

 105, May 7, 1919, pp. 

 1-ix, 1-204, pis. 1-3. 



