286 HISTORY OF BRITISH PERNS. 



CYSTOPTEBIS ALPINA, Desvaux. 

 THAMES. Wall at Low Lay ton, Essex. 



TRENT. Derbyshire, Mr. H. Shepherd, | who tas sent speci . 

 HUMBER. Yorkshire, Mr. H. Shepherd, / mens thus located. 



CYSTOPTEEIS FRAGILIS, Bernhardi. 



PENINSULA. Exwich near Exeter, Devonshire. Cheddar cliffs 

 (with var. dentata) ; Hampton cliffs, Bath, R. Withers, 

 &c., Somersetshire. 



CHANNEL. Dorsetshire. Box, Wiltshire, Dr. Alexander, B.S.E. 

 (var. dentata). Tunbridge Wells, Sussex, Miss Bower (var. 

 dentata). 



THAMES. Albury, Surrey. 



OUSE. Yoxford ; Bungay, Suffolk. Norfolk. [Northampton- 

 shire.] 



SEVERN. Near Arbury Hall (var. dentata) ; Compton Yerney, 

 Warwickshire. Near Bristol, &c., Gloucestershire. Skirrid 

 Vawr, near Abergavenny (with var. dentata) ; Wyndcliff 

 woods, TF. H. Purchas, Monmouthshire. Downton (var. 

 angustatd) ; The Dowards on the Wye (var. dentata), Here- 

 fordshire. Breedon hill ; Bromsgrove, Worcestershire. 

 Staffordshire (with var. dentata). Whitcliff near Ludlow, 

 Shropshire. 



S. WALES. Radnorshire. Brecknockshire. Pont-nedd-Vechn, 

 &c., Glamorganshire (with var. dentata). Cardiganshire. 



