X 



138 Journal of Agricultural Research voi. xix.No.3 



out in all inoculation experiments with sugar cane. The disease can be 

 transmitted by certain sucking insects. There is no known period of 

 saprogenesis in the existence of the virus. Seed transmission of the 

 virus is one of the phenomena concerning which divergent results have 

 been recorded for the various mosaic diseases. This point has not been 

 definitely settled for sugar-cane mosaic, but mosaic sorghum plants 

 failed to produce mosaic progeny in two experiments. 



LITERATURE CITED 

 (i) Brandes, E. W. 



1919. THE MOSAIC DISEASE OF SUGAR CANE AND OTHER GRASSES. In U. S. Dept. 



Agr. Bui. 829, 26 p., 5 fig., I col. pi. 



(2) Clark, W. Blair. 



1917. A SAMPLING PRESS. In JottT. Indus. and Engin. Chem., v. 9, no. 8, p. 788. 



(3) Kamerling, Z. 



1903. DE GELE strEpEnziekte der bladerEn. In Verslag 1902 Proefsta. 

 Suikerriet West Java "Kakok" to Pekalongan, p. 76-81. 



(4) KoBus, J. D. 



1908. vergelijkende proeven omtrent gele-strepenziekte. In Arch. 

 Java-Suikerindus., jaarg. 16, p. 350-374. Reprinted as Meded. Pro- 

 efsta. Javasuikerindus., no. 12, p. 319-342. 



(5) Stevenson, John A. 



1919. the mottling or yellow stripe disease op sugar-cane. In Jour. 

 Dept. Agr. and Labor Porto Rico, v. 4 (i, e. 3), no. 3, p. 3-76, illns., 3 

 col. pi. Literature cited, p. 73-76. 



(6) Stok, J. E. VAN DER. 



1907. VERSCHIJNSELEN VAN TUSSCHENRASVARIABILITElT BIJ HET SUIKERMET. 

 (prOEVE EENER VERKLARING DER GELE-STREPENZIEKTE EN DER SERE- 

 HZiEKTE.) In Arch. Java Suikerindus., jaarg. 15, p. 581-601. Re- 

 printed as Meded. Proefsta. Oost-Java, s. 4, no. 36, p. 457-477. 



(7) WiLBRiNK, G., and LedeboER, F. 



1910. bijdrage tot de kennis DER GELE STREPENZIEKTE. In Arch. Suiker- 

 indus. Nederl. Indie, jaarg. 18, p. 465-518. Reprinted as Meded. 

 Proefsta. Java-Suikerindus., deel 2, no. 39, p. 443-495, 5 pi. (4 col.). 



