INTRODUCTION. 
In the present volume, which concludes the account of the Lizards, 
the species of the families Lacertidee, Gerrhosauride, Scincide, 
Anelytropide, Dibamide, and Chameleontide are described. The 
following tables show the increase in the number of species known, 
and of species and specimens represented in the British Museum, 
since the publication of the last general works on the subject. 
Number of Species characterized 
Families. by Dum. & Bibr. by Gray. in present volume. 
Lacertide........... 43 57 97 
Gerrhosauride ...... 6 9 15 
Scincide............ 87 132 373 
Anelytropide ........ 1 2 
Dibamide .......... 1 1 2 
Chameleontide ...... 14 18 i 49 
Total ...... 152 219 542 | 
Number of Species and Specimens in the 
British Museum in 
1845. 1886. 
Species. Specimens. Species. Specimens. 
Lacertide ........ 34 136 83 1215 
Gerrhosauride .... 5 7 13 70 
Scincide ........ 103 390 291 2340 
Anelytropide ... 2 5 4 11 
Dibamidw ...... _ 9 cates 1 8 
Chameleontide .. 18 61 41 285 
Total.. 162 599 433 3929 
