132 BIBLIOGRAPHY, BIOGRAPHY, HISTORY [Bot. Absts., Vol. VI, 



cu. m. A regulating barrage on the White Nile and training works on the Rosetta and Dami- 

 etta branches in lower Egypt would serve to lessen floods. Eight appendices are added as 

 follows: (A) The actual value of the agricultural land of Egypt; (B) Utilization of the 

 ground water of the Nile valley; (C) Flush and lift irrigation; (D) The Aswan dam; (E) 

 Some aspects of the White Nile reservoir; (F) Mr. C. E. Depots on the Lake Tsana reser- 

 voir; (G) Sir William Garstin on the Gebel and Zeraf Rivers of the Sudd region; (II) Total 

 estimate of the costs of reservoirs and flood protection for Egypt and the Sudan. — Geo. F. 

 Freeman . 



BIBLIOGRAPHY, BIOGRAPHY AND HISTORY 



Lincoln W. Riddle, Editor 



o o 



904. Akerman, A. En vaxtforadlares underbara levnadsode. Nagra ord om Aron Aron- 

 sohn och nans verksamhet. [A plant breeder's remarkable fate. Some words about Aron Aron- 

 sohn and his work.] Sver. Utsadesf. Tidskr. 29 4 : 165-168. 1919. — A biographical sketch of 

 Aron Aronsohn. — See also Bot. Absts. 6, Entry 1447. 



905. Anonymous. Leonard Cockayne. [Biographical notice.] With portrait. New Zea- 

 land Jour. Sci. Tech. 2 : 231-234. July, 1919. 



906. Anonymous. Bulletin Agricole de L'Institute Scientifique de Saigon. Brooklyn 

 Bot. Gard. Rec. 8: 146. Oct., 1919. — Notes the appearance of the first number of this new 

 publication. — C. S. Gager. 



907. Anonymous. The Botanic Garden, Havana. Kew Bull. Misc. Inf. [London] 1919: 

 101-102. 1919. 



908. Anonymous. The dahlia. Missouri Bot. Gard. Bull. 7: 41-46. PL 12-18. 1919. 



909. Anonymous. How flowers were named. Sci. Amer. Supplem. 87: 176. 1919. 



910. Anonymous. Necrologia. [Necrology.] Revist. Agric. Com. y Trab. 2: 476. 1919. 

 — Records the death of Patricio Cardi'n, head of the department of Entomology and Vege- 

 table Pathology of the Agronom. Exp. Sta., Cuba. — F. M. Blodgett. 



911. Anonymous. [Rev. of: Fox, R. Hingston. Dr. John Fothergill and his friends: 

 Chapters in eighteenth century life. 8°. xxiv + 434 p., 13 pi. Macmillan & Co. : New York.] 

 Jour. Botany 58: 56-59. 1920. 



912. Arag6n, Francisco de las Barras de. Cartas del botanico frances Leon Dufour a 

 Don Mariano Lagasca, existentes en el Archivo de la Real Academia de Medicina de Sevilla, 

 encontradas y trascritas. [Letters of the French botanist, Leon Dufour to Mariano Lagasca, in 

 the Archives of the Royal Academy of Medicine of Seville, found and transcribed.] Bol. R. 

 Soc. Espafiola Hist. Nat. 19: 394-400. 1919. — Gives four letters written from St. Sever by 

 Leon Dufour, partly in French partly in Spanish, to Mariano Lagasca, Director of the 

 Royal Botanical Garden at Madrid, in 1817 and 1819, mainly relating to specimens being sent 

 to Madrid, also containing notes on interesting trips planned in the Pyrenees; requests for 

 specimens and notes on certain species, particularly lichens; comments on the appearance of 

 new botanical literature; discussion as to whether a certain epidemic in Cadiz might be yellow 

 fever. There is also a letter, in Spanish, from Maria Tadea Gonzalez to Lagasca relating 

 the forwarding to Lagasca of books and botanical and entomological specimens which had 

 been accumulated by Lorente. The author of the article notes that Dufour had gone to 

 Spain as a member of Napoleon's army, and had formed a friendship with Vicente Alfonso 

 Lorente at Valencia. Because of sympathy for him as a fellow botanist, Dufour had prob- 

 ably saved Lorente from execution for the prominent part he had played in the defense of 



