Ill 



modoratolv long. Hard to distinii'iiish from tho pink sno-ar eano 

 inoaly hiiu'. The 2;rey color, l()Ui>'or loiis, less rounded and swollen 

 hodv are g'ood cliaractcrs."' A eoin])aris()n of T*r<»f. Coekerell's 

 measui'cnients of the legs of these two mealy hniis in the ])a])er 

 eited aliove sIioavs the very opposite, i. e. the middle Ici^s of (■((].- 

 ceolar'mc are much the lonucr. The external cliariicttM's of our 

 material agree more with those indicated by Maxwell-Lefroy, 

 and the measurements of the middle legs with the reverse of the 

 ordei" given by Prof. Cockerell. ]\[oreover, specimens of a 

 Psudococcus on sugar cane from Australia and Xew Guinea in 

 the Board of Agriculture and Forestry collection substantially 

 agree in every respect Avith our 7^. calcrolariac. Following are 

 measurements of middle legs as given l)y Prof. Cockerell and 

 found in material in the Board collection. The proximity of 

 these pointed to the affinities as indicated in the tables. 



Comparison of measurements, in micromillimeters, of middle 

 legs of P. calceolariae and P. saccliari : 



P. CALCEOLAPJAE. 



P. SACCHAPL 



The inevitable conclusion from these- figures is that the labels 

 on the slides studied bv Prof. Cockerell were reversed. In the 



