xii LIST OF PLATES 



PAGE 



ADDERS (Vipera berus\ MALE AND FEMALE THE RARE SMOOTH SNAKE 



(Coronella Itzvis) RATTLE OF RATTLESNAKE . . .116 



COMMON TOAD (Bufo vulgaris) COMMON FROG (Rana temporaries) TOAD 



SPAWN FROG SPAWN . . . . . . . i2& 



MALE CRESTED NEWT (Triton cristatus) THREE-SPINED STICKLEBACK (Gas* 



trosteus aculeatus) MINNOWS (Leuriscus phoxinus) . , . .144 



EARWIG WING OF EARWIG NEST OF EARWIG QUEEN WASP MALE AND 



FEMALE COCKROACH . . . . . . .178 



LARGE CABBAGE WHITE BUTTERFLY, SUCCESSIVE PHASES . .184. 



