PLATE XX 
The Silver-studded Blue 
Plebejus argus 
Fig. i, Egg (magd.) ; Fig. 2, Larva ; Fig. 3, Seventh Segment of 
Larva (magd.) ; Fig. 4, Larva ; Figs. 5 and 6, Pupa ; Figs. 7 and 8, 
Male ; Figs. -9 and 10, Female ; Fig. n, Female ab. (not named), 
New Forest ; Fig. 12, Female ab. ; Fig. 13, Female ab. Corsica, 
Delamere Forest; Fig. 14, Gynandrous ab., Chobham, S. G. Castle- 
Russell coll. ; Fig. 15, Female ab. striata. 
The Brown Argus 
Arid a agestis 
Fig. 16, Egg (magd.) ; Figs. 17 and 19, Larva ; Fig. 18, Seventh 
Segment of Larva (magd.) ; Fig. 20, Pupa ; Figs. 21 and 23, Male ; 
Figs. 22 and 26, Female ; Figs. 24 and 25, Male ab. artaxerxes ; 
Fig. 27, ab. sarmatis, Grum. ; Fig. 28, Male ab. obsoleta, Brighton. 
The Short-tailed Blue 
Everes argiades 
Figs. 29 and 30, Egg (magd.) ; Fig. 31, Larva ; Fig. 32, Seventh 
Segment of Larva (magd.) ; Fig. 33, Pupa ; Figs. 34 and 35, Male ; 
Figs. 36 and 37, Female. 
B.B. 
225 
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