374 Messrs. R. S. Bagnall and J. W. H. Harrison's 



*152. Perrisia sp. Burkill, 1917, p. 83. 



On Lathi/nis pratensis. 



Recorded by Mr. Bnrkill from W. Gloncestershire. 



*153. P. libera Kieffer, 1909, p. 21 (gall); 1913-2, p. 78. 



On Oak, = Cecidomyid sp. Houard, 1310. 



Northumberland, Warkworth; Ovinghara. Durham, 

 several records. Lancashire, Grange-over-Sands. York- 

 shire, Leeds district and near Middlesbro'. 



*153a. p. lithospermi H. Loew, 1850, p. 36 {Cecidomyia) ; 

 KiefEer, 1913-2, p. 78. 



On LitJwspermum officimde. Houard, 4741. 

 Northumberland, Ovingham; on an isolated patch of 

 the host-plant. 



154. P. lotharingiae KiefTer, 1888-1, p. 107 {Cecidomyia); 

 1913-2, p. 78. 



On Cerastium vulgatum. Swanton, 346, 347; Houard, 

 2331, 2334. 



Records from all counties excepting Cheshire. 



*155. P. loti Kieffer, 1909, p. 14 ; 1913-2, p. 78. 



On LoUis cornicidatus, = Cecidomyid sp. Houard, 3622. 

 Durham, Gibside, apparently rare. 



156. P. loticola Rubsaamen, 1889-2, p. 52 {Cecidomyia) ; 

 KiefEer, 1913-2, p. 78. 



On Lotus major and occasionally *L. cornicidatus. 

 Swanton, 584 ; Houard, 3626, *3616. 



Records from all counties excepting Westmoreland. 



*157. P. lupulinae Kieflter, 1891, p. 258; 1913-2, p. 78. 



On Medicago lupulina. Houard, 3507. 

 Durham, near Burnmoor. 



*158. Perrisia sp. Kaltenbach and others. 



On Medicago liipidimi. Houard, 3509. 

 Durham, 11 ylton and Penshaw. Recorded by Mr. Burkill 

 from W. Gloucestershire. 



