INSECTS. 
LIST OF PLATES. 
PLATE XXXI. 
1. Polyommatus Argiolus, male (the Azure Blue 
Butterfly ). 
2. The female. 
3. Showing the under side. 
4. Polyommatus Alsus (the Bedford Blue B.). 
5. The male. 
6. Showing the under side. 
7. The Caterpillar. 
8. The Chrysalis. 
9. Polyommatus Acis (the Mazarine Blue B.), male. 
. The female. 
11. Showing the under side. 
12. Medicago denticulata ( Reticulated Medicago). 
13. Astragalus Alpinus (the Alpine Milk-Vetch ). 
PLATE XXXII. 
1. Polyommatus Arion (the large Blue Butterfly). 
2. The female. 
3. Showing the under side. 
4. Polyommatus Alcon (the Alcon Blue B.). 
5. The female. 
6. Showing the under side. 
7 & 8. Trifolium fragiferum (the Strawberry- 
headed Trefoil). 
PLATE XXXIII. 
1. Polyommatus Adonis (the Clifden, or Azure 
Blue Butterfly). 
2. The female. 
3. Showing the under side. 
4. Polyommatus Corydon (the Chalk-hill Blue B.). 
5. The female. 
6. Showing the under side. 
7. The Caterpillar. 
8. The Chrysalis. 
9 & 10. Trifolium stellatum (the starry-headed 
Trefoil). 
LATE XXXIV. 
1. Polyommatus Argus (the Silver-studded Blue 
Butterfly). 
. The female. 
. A common variety of the female. 
. Showing the under side. 
. The Caterpillar. 
. The Chrysalis. 
. Polyommatus Alexis (the common Blue B.). 
- The female. 
. Showing the under side. 
. A variety of the female. 
. An Hermaphrodite variety, having the wings 
of a female on one side and of a male on the 
other. 
12. The Caterpillar. 
13. The Chrysalis. 
14. Cytisus Scoparius (the common Broom). 
15: Medicago sativa (the cultivated Lucerne). 
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INSECTS. 
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PLATE XXXV. 110 
. Polyommatus Eros, 
. Showing the under side. 
. Polyommatus Dorylas. 
. The female. 
. Showing the under side. 
5 & 7. Hippocrepis comosa (the Horse-shoe 
Vetch). 
PLATE XXXVI. 
. Polyommatus Icarius. 
. The female. 
. Showing the under side. 
The Caterpillar of P. Icarius of Esper. 
Polyommatus Agestis (the brown Argus B.). 
The female. 
. Showing the under side. 
3. Fragaria vesca (the Wild Strawberry). 
PLATE XXXVII. 114 
. Polyommatus Salmacis (the Durham Argus 
Butterfly). 
. The female. 
. Showing the under side. 
. Polyommatus Artaxerxes (the Artaxerxes B.). 
. The female. 
. Showing the under side. 
& 8. Ononis procurrens (trailing Rest-harrow). 
PLATE XXXVIII. 114 
. Pyrgus Malve (the Grizzled Skipper). 
The female. 
. Showing the under side. 
. The Caterpillar. 
. The Caterpillar prepared for its change to the 
chrysalis state. 
. The Chrysalis. 
. The white-banded variety of Pyrgus Malve, by 
some considered a distinct species. 
. Showing the under side. 
. Nisoniades Tages (the Dingy Skipper). 
. The female. 
11. Showing the under side. 
The Caterpillar. 
13. The Chrysalis. 
. Pyrgus Oileus. 
. Showing the under side. 
. Dipsacus fullonum (Fuller’s Teazle). 
7. Eryngium campestre (Field Eryngo). 
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PLATE XXXIX. 12 
Pyrgus ? Malvarum. 
Showing the under side. 
