CORRIGENDA, 



Prof. T. D. A. Cockerell has called to the attention of the authors an oversight in 

 Part II, Tyhich we desire speedily to correct. Asterochiton Maskell was used for a 

 series of species represented by vaporariorum, since the first species described under 

 this genus by Maskell proved to be this insect under the name of papilli/er. We 

 had overlooked the fact that Prof. Cockerell had designated aureus as the type of 

 Asterochiton (Proceedings of the Academy of Sciences of Philadelphia, 1902, page 282b 

 and had proposed a subgeneric name, Trialeurodes , with pergandei as type, a specie 

 of the vaporariorum series. Asterochiton of our paper must, therefore, replace 

 Dialeurodoides, and Trialeurodes Cockerell, Asterochiton. 



Aleyrodes olivinus Silvestri should be added to the list of species of Aleurolohus. 



Tetraleurodes mori var. arizonensis, while described in Science Gossip as cited, was 

 named in Bulletin 67 of the Florida Agricultural Experiment Station, page 666 (1903). 



E RRAT A 



Plate I, facing page 8, line 5 from bottom, for cockerelli read cockerellii. 



Page 20, line 3 from bottom, for nane read nahe. 



Page 32, line 4, for cauded read caudad. 



Page 33, line 19, for Dialourodicus read Dialeurodicus. 



Page 80, legend to fig. 11, line 2, after antenna of adult insert period. 



Page 98, line 15 from bottom, after {1903). insert {India.). 



Page 100, line 9, for 29 read 28. 



Page 101, line 10, for euphorbiara read euphorbiarum. 



Page 101, line 22, after {1900). insert ( U. S. A.). 



Page 102, line 5 from bottom, after {1911). insert {Japan.). 



Page 102, line 4 from bottom, for signatus read T-signatus. 



Page 103, line 17, after {1911). insert {Japan.). 



Page 105, line 19 from bottom, after {1900). insert {Georgia and D. C). 



Page 105, line 16 from bottom, for 9 read 96. 



Page 106, line 3, after 16 insert semicolon and after PI insert period. 



Page 108, line 16 from bottom, after {1900). insert {Florida.). 



Page 109, line 3 from bottom, for 4S read 46. 



XI 



