NOVITATES ZOOLOQICAE XXIV. 1917. , 353 



2 (J (J Hammam R'ihra ex larva (larva April), 1912, W. R. and K. J. 

 5 Mauretania (1 ex Grum-Grshimailo coll.). 



The British Museum has 11 examples: 5 Mogador ; 5 Algeria, Leech coll. ; 

 1 Esynir, Morocco, 1889, Commander Walker. 



57. Notolophus dubia umbripennis Strand. 



Orgyia dubia ab. umbripennis Strand in Seitz, Grossschm. Erde, vol. ii. p. 119. pi. 19 c. (1910) (Batna). 



It is most unfortunate that here again an aberration and not the typical 

 race from the Province of Constantino of dubia has received a name just as in 

 the case of the inland Algerian race of Evchloe ausonia. The ab. nmbrijjennie 

 has the same relation to the typical form of dvbia from Prov. Constantino as 

 ab. seleniaca F. de W. has to typical dubia. 



Typical Algerian dubia differ from dubia dubia as follows : the cream-coloured 

 area of forewing much more extended, owing to the dark bands being narrower 

 and the cream-white much purer, not clouded with grey. 



Habitat. Province of Constantine, except littoral ; type locality, Batna. 



As 1 have explained before, Messrs. Oberthiir and Powell are in error in 

 considering that of the three species of the dubia group only dtibia and algirica 

 ijosephitia) occur in Mauretania, and the origin of this error is because they 

 failed to realise that the form isolatella Straud and one or two others were 

 forms of splendida and not of dubia. Tring Museum has 92 <J(J. 



1 (J Guelt-es-Stel, September 1912, Faroult. 

 1 ,J, 2 $ cocoons El Mesrane, June 1913, Faroult. 

 90 (?,J Environs de Batna, 1911-1912, A. Nelva. 



The specimen from Guelt-es-Stel is very small and has the dark markings 

 and bands of the forewings very narrow. 



58. Notolophus dubia deserticola Powell. 



Orgyia dubia deseticola Powell in Oberthiir, Etud. Lepidop, Comp. Fasc. XII. pp. 265, 266 (1916) 

 (Kebala). 



The type <J and some ?? in Mr. Oberthiir's collection are all the specimens 

 that have been recorded. 



59. Notolophus splendida isolatella Strand. 

 Orgyia dubia forma isolatella Strand in Seitz, Grossschm. Erde, vol. ii. p. 119. pi. 19c. (1910) (Batna). 



The general type of splendida from the Provinces of Constantine and Alger 

 have the black transverse bands and outer portion of the forewing narrower 

 than in the figure of isolatella in Seitz, but I have one labelled " Mauretania " 

 ex Grum-Grshimailo coll. and three bred specimens from Bhda les Glaciercs which 

 agree perfectly wth this figure. The two from the Ujebel Ichah are exactly 

 similar to two ^3 I have from the Black Sea littoral ex coll. Grum-Grshimailo 

 and \\hich were labelled var. turcica by him, but they are much brighter orange- 



