572 



THE AMERICAN NATURALIST. [Vol. XXXVII. 



The Kumquat and Mandarin groups of Citrus are discussed by 

 Hume in Bulletin of the Florida Agricultural Experiment Station, 

 Nos. 65 and 66. 



Some conditions of stock poisoning in Idaho are discussed by 

 Professor Slade in Bulletin of the Experiment Station, No. 37, of that 



The poisoning of cattle by Sorghum vulgare is considered by Peters, 

 Slade and Avery in Bulletin of the Agricultural Experiment Station of 

 Nebraska, No. 77. 



The first volume of " Datos para la materia me'dica argentina," by 

 J. A. Dominguez, has been issued by the Museo de Farmalogia of 



The value of making an herbarium is the subject of an article by 

 Cameron in School Science for May. 



"More Letters of Charles Darwin," published by the Appletons 

 (New York) in two volumes, contain a number of letters of interest 



