itS W. P. Kirby: 



nomenclature whicli ouglit not to befollowed." (Biologia Centrali- 

 Americana, Homoptera, pp. 25, 26.) 



"I have found it absolutely impossible to deterraine whetlier 

 [Domitia obscura Dist., n. sp.) may not belong to some otlier 

 genns of Stäl, of wbich the description is contained only in 

 a "Conspectus generum', without the type being given, or wlieii 

 given, referable to some described but unfigured speeies origi- 

 nally referred to another genus. As remarked before, owing to 

 the premature death of S t a 1 , his Homopteral work is in a 

 somewhat confused and nnravelled condition, and is in striking 

 contrast to the Heteropteral work, which is thoroughly digested 

 and elaborated." (Biologia, p. 33.) 



"Stäl (Hern. Afr. IV, p. 27) recites Tibicen macuUcollis 

 as a synonym of T. brunneus Fabr. a speeies found in the 

 Island of Mauritius. This is incorrect and the two speeies 

 belong to different subgenera as defined by Stal himsdf; 

 T. brunneus belonging to the s. g. Abricta and T. maculicollift 

 to the s. g. Abromay (Orient. Cic, p. 131.) 



After such admissions, and my previous exposure of some 

 of S t ä l's numerous inaecuracies , let us hear no more of the 

 transcendent merits of S t ä 1 , as contrasted with the atrocious 

 Wunders of Walker. Speaking for rayseif only, I must repeat 

 that I regard Walker's errors and bad work as of a far 

 less mischievous character than S t ä l's, on aecount of the pseudo- 

 authoritative style assumed by the latter. 



I will now try to further elucidate some of the Gicadidae 

 mentioned by Mr. Distant. 



Gicada bimaculata Oliv. 



This is the speeies which Sta,l identilies with G. viridis 

 Fabr., and it agrees fairly with the Fabrician description ; but 

 as Fabricius quoted a iigure of a Surinam insect (St oll, 

 flg. 100), and gave the locality as South America, I prefer to 

 call the Javanese speeies by 1 i v i e r's name, until it has been 

 proved that there is no South American speeies agreeing with 

 Fabricius' description. G. bimaculata is figured by Stell 

 (fig. 132) and is undoubtedly identical with G. atrovirens Guerin, 

 also described from Java. Unfortunately there is only a single 

 female specimen (from Java) in the British Museum at present ; 

 but this agrees very well with S toi l's figure, except in being 



