NATURAL HISTORY. 
41 
ROOM X.] 
the inner edges of the jaw, but the Trogonophides have 
them placed on the edge. They all live in ant-nests, and 
feed on those insects. 
The following Table exhibits the arrangement of this 
Class at one view; the numbers refer to the Cases. 
Class III. 
Reptilia. 
Sect. 1. Squamata. 
Order I. Sauria. 
A. Leptoglossce, 
Fam. 1. Monitoridce. 3. 
Psammosaurus 
Monitor 
Polydedalus 
Empagusia 
Hydrosaurus 
Fam. 2. Helodermidce . 
Heloderma 
Fam. 3. Teidce . 3. 
Teius 
Ctenodon 
Acrantus 
Ameiva 
Aporomera 
Cremidophorus 
Dicrodon 
Centropyx 
Ada 
Crocodilurus 
Custa 
Fam 4. Lacertinidce. 3. 
Zootoca 
Lacerta 
Teira 
Eremias 
Acanthodactylus 
Scapteira 
Meroles 
M esulina 
Calrita 
Algira 
Psammodromus 
Ophiops 
Calosaura 
Fam. 5. Zonuridce. 3. 
a. Zonurus 
Tribolonotus 
Cicigna 
Tetradactylus 
Tachydromus 
Caitia 
Abronia 
b . Gerrhonotus 
Barisia 
Elgaria 
Pseudopus 
Ophisaurus 
Fam. 6. Cercosauridce . 
Cercosaurus 
Fam. 7’ Chirocolidce. 
Heterodactylus 
Adaria 
Aprasia 
Herinea 
c. Riopa 
Lygosoma 
Chiamela 
Tetradactylus 
Seps 
Siaphos 
Heteromeles 
Chelomeles 
Brachymeles 
d. Ophiodes 
e . Anguis 
Ophiomorus 
Siguana 
Stenostoma 
Dorfia 
Fam.S.Chamcesauridce. Fam. 11. Gymnoph- 
Chamaesaura. 5. thalmidce. 5. 
Fam. 9. Chalcidce. 
Cbalcides 
Microdactylus 
Colobus 
Microlepis 
Ablepharis 
Gymnophtlialmus 
Cryptobiepharis 
Lerista 
Ecpleopus 
Pentadactylus 
Leposoma 
Fam. 10. Scincidce. 5. 
a. Scincus 
Sphenops 
b. Celestus 
Trachysaurus 
Tropidophorus 
Egernia 
Tiliqua 
Amphiglossa 
Euprepes 
Euneces 
Leiolopisma 
Psammita 
Cyclodus 
Fam. 12. Pygopidce. 5. 
Pygopus 
Lialis 
Fam. 13. Rhodonidce . 5. 
Rhodona 
Soridia 
Fam.14. Acontiadce. 5. 
Nessia 
Evesia 
Acontias 
Dibamus 
Typhline 
Fam.l 5. Typhlopsidce. 5. 
Typhlops 
