BRENTHIS PALES, ITS HISTORY AND ITS NAMED FORMS. 129 



Lancashire, Grange-over- Sands, rare, R.S.B. 



92. Eriophyes sp. Houard, 4216. 



On St. John's Wort, rare. 



Durham, Gibside. 



Cumberland, near Alston, R.S.B. 



98. Eriophyes sp. (? Houard, 4638.) 



Ash, affecting the bud. 



Records from Northumberland, Durham, Lancashire, Cumberland, 

 and Yorkshire. 



94. Eriophyes sp. Houard, 478B. 



On Wood-sage, 



Lancashire, Grange-over- Sands, local, R.S.B. 



96. Eriophyes sp. Houard, 5036. 



On Toad-flax. 



Durham, Wear banks near Penshaw. 



Lancashire, near Ainsdale, R.S.B. 



96. Efiophyes sp. 



- On Crosswort [Galiuiii cniciatiiiii). Causing abnormal pilosity of 

 stem, leaves and floral peduncles. 



Records from Northumberland, Durham, Lancashire, and Cumber- 

 land. 



97. Eriophyes sp. (? Houard, 5675.) 



On Yarrow. Flower head aborted, massed and thickened, covered 

 with a thick white felt. 



Records from Northumberland and Durham. 



98. Eriophyes sp. Houard, 5690. 



On Yarrow. 



Durham, Penshaw and Hylton, R.S.B. 



99. Eriophyes sp. 



On Knapweed (Centaurea 7iigra). Head large, interior hypertro- 

 phied, hard ; flower developing badly. Probably the same as described 

 in Houard (no. 5954) on C.jacea. 



Durham, Fatfield and Cox Green, R.S.B. 



Correction. — p. 98. No. 27, for Eriophyes enaspis read E. euaspis. 

 p. 99. No. 41, for Eriophyes laccinatus read E. 

 laticinctus. 



Brenthis pales, its history and its named forms. 



By Hy. J. TUENER, F.E.S. 



(Continued from p. 104.) 



In 1892 Fritz Rlihl, in Soc. Efit., vol. vii., p. 113, described a 

 form of B. pales as ab. killiasi as follows. — 



" Alls anticis supra deficientibus vitta arcuata media et ordine 

 punctorum postmarginalium ; generatim paucis strigis minoribus, valde 

 obsoletis et parvum expressis ; alls posticis basali et disco nigris, 



