CANNOCK CHASE, 1918. 253 



j)ham(s jMoens has been abundant in all localities and has 

 afforded some good aberrations. One specimen has one fore 

 wing of pale metallic yellow, the other wings being normal. 

 Other aberrations taken show variation in size, shape and 

 arrangement of the black spots; a few are suffused with black 

 scales throughout, 



Callophriis riihi is common in many parts of the Chase. 



Celastrina argiohis, a few specimens of the spring brood near 

 Pottal Pool. 



Poli/ommatus icarus was found sparingly in Cavan's Wood only. 



Several good forms of the summer flight of Pieris napi were 

 taken, including a female, in which the usual black marks 

 are greatly reduced in size and but faintly indicated in pale 

 grey. I found no summer male without discal spot, but several 

 in which it was only faintly indicated, one in which it is very 

 lilack and large, and one with a trace of an additional dorsal spot. 



EncJdui' cardamines universal, but not numerous. 



Argynnis ci/dippe (adippe), one y^asied specimen in the valleys. 



Polygonia c-alhum, a pair in Cavan's Wood on the last day of 

 butterfly weather. 



Camonymjiha pamphUus : This species deserves mention 

 from the marked local tendency to spots on the upper side. The 

 apical spot is practically always well defined, and many 

 specimens have additional dots on upper and lower wings. 



Notable absentees have been all the Skippers, Pyrameis 

 caidui and P. atalanta, Pararge megeera, Epinephele tithonus and 

 Aphantopus hyperanthiis. 



I took two specimens of Metopsilns porcellus, one in Piugeley 

 Camp and one in Mansty Wood. 



Pheosia dictceoides I found sparingly distributed throughout 

 the valleys. 



Notodonta dromedarius is very common in all the places 

 visited, as also is Loj^hoptenjx camelina. 



Phalera bucephala not very common. 



Polyploca flavicornis very common and very variable. 



Orgyia antiqua, and Dasychira pudihunda both occur at Milford. 



Macrothylacia I'ubi, one moth and many ova from Brindley 

 Heath. 



Epicnaptera ilicifolia, no luck ! 



Saturnia j)avon\a is common on Brindley Heath. 



Drepana falcataria and D. lacertinaria both occur through- 

 out the district, becoming more plentiful as the valleys are 

 approached. The former is more in evidence in the perfect 

 state, the latter as a larva. 



Parasemia plantaginis flies over all the Chase, but seems to 

 have its headquarters on Brindley Heath. 



Hipocrita jacohcea I have found only in one small locality in 



