220 VAEIETIES OF THE WALL-LTZAED. 



PLATE XVIII. 



Fig. 1. Var. insnlanica, d (one of the types). Pianosa (p. 150). Natural size. 

 1 a. ,, „ „ Side view of head. X 2^. 



Pianosa (p. 150). Natural size, lower view. 

 Scuola di Pianosa (p. 150). Natural size. 



,, Side view of head. X 2|^. 



Linosa (p. 160). Natural size. 

 ,, Natural size, lower view. 

 G. ., ,, 9 . ,, Natural size. 



7. Var. tMiguerta, d . . Monte Cuccio, Palermo (p. 157). Natural size. 



8. Var. hedriagce, 6 . Bastelica, Corsica (p. 157). Natural size. 



