C ONTENTS. . 
A New Spedek of Mayfly, Palingenia (Senswu lato), from Mesopotamia, Kenneth 
J. Morton, F.E.S., 177. Some Undeseribed Rhopalocera in the British — 
Museum (Nat. Hist.), N. D. Riley, F.H.S., F.Z.8., 180. Oolias edusa, Fab. 
(Croceus, Foure.): Its Seasonal Forms, Vristiee and Aberrations, H. Rowland- 
Brown, M.A., F.E.8. (continued from p. 157), 184. Owigrapha literana, Le: 
Its Life- Cycle, Distribution, and Variation, W. G. Sheldon, F.Z.8., F.H.S. 
(continued from p. 161), 187. South American Eumolpide, Mostly. of the 
Group Colaspini, Fred C. Bowditch (continued from pp. 172), 190. 
Notes anp Opservations.—Polygonia c-album on the Cotswolds, B. A. Cony. 
195. Erebia epiphron in 1921, B. A. Coney, 195. Barly and late Occurrences: 
of Hesperia malve, (Rev.)- Gilbert H. Raynor, 195. Ovipositing of Sesia 
myopeformis, G. Bertram Kershaw, M.Inst.C.#., 196. Oxigrapha literana, 
L., in Laneashire, J. Davis Ward, 196. Erratic Emergenves, Frank Lattle- 
wood, 196, Butterflies in West Sussex, Charles M. Woodford, 197. Sympe- 
trum fonscolombii, de Selys, in Dorset, F. H. Haines, 197. Blood-sucking: 
Thysanoptera, HL. Ernest Gr een, 198. ' ~ 
Socretins.—The Entomological Society of London, 198. The Stuer mi 
Entomological Society, 199. Cas 
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