SYSTEMATIC INDEX. 
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3. gravenhorstii, Gray... . 142 
4. lemniscatus, Gravh..... 148 
5. stantoni, Giro... 6. 144 
6, fuscus, Blgr... 2... . ee. 144 
7. gracilis, Bell... 6.2... 145 
8. cyanogaster, D. G§ B. .. 145 
9. bibronii, Bell ........ 146 
10. nigromaculatus, Wiegm. 147 
1]. magellanicus, Hombr. § 
TMOG uti deare: ocanecbsae's 148 
12. lineomaculatus, Blgr. .. 149 
13. kingii, Bell .......... 149 
14. fitzingeri, D. § B. .... 150 
15. pictus, D.§ B. ...... 151 
niger, Hall, .......... 152 
16. tenuis, D. § B. ...... 152 
17. multiformis, Cope...... 153 
18. signifer, D. §& B....... 154 
19, darwinii, Bell ........ 155 
20. wiegmanni, D.§ B..... 156 
21. occipitalis, Blgr. ...... 156 
22, multimaculatus, D. § B. 157 
elegans, Tsch. ........ 138 
modestus, Tsch. ...... 138 
morio, Gray ........6. 138 
25, Saccodeira, Gir. ........ 158 
1. ornatissima, Gir. ...... 159 
2, pectinata, D. §& B. .... 159 
8. azurea, F. Miill. ...... 160 
26. Liocephalus, Gray ...... 161 
1. schreibersii, Gravh..... 162 
2. macropus, Cope ...... 163 
3. vittatus, Hall. ........ 163 
4. melanochlorus, Cope .. 164 
5. personatus, Cope ...... 164 
6. eremitus, Cope........ 165 
7. carinatus, Gray ...... 165 
8. herminieri, D. § B,.... 166 
9, aculeatus, O’SA. ...... 167 
10. iridescens, Gthr. ...... 167 
11. erythrogaster, Hall. .. 168 
12. formosus, Blgr........ 168 
13. ornatus, Gray ........ 168 
14. trachycephalus,.d. Dum. 169 
15. guentheri, Blgr. ...... 169 
16. tricristatus, A. Dum. .. 170 
17. dumerilii, Stdchr. . 170 
microlepis, Gray ...... 160 
formosus, Tsch. ...... 160 
crassicaudatus, Tsch. .. 160 
27. Tropidurus, Wied ...... 171 
1. grayi, Bell. 1.2.0... 172 
2. pacificus, Stdchr....... 173 
8. occipitalis, Pirs. ...... 173 
4. bocourtii, Blgr. ...... 173 
5. peruvianus, Less....... 174 
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6. spinulosus, Cope ...... 175 
7, torquatus, Wied ...... 176 
8. hygomi, R.G LD. ...... 177 
9. hispidus, Spor ......... 177 
10. semiteeniatus, Sper .... 178 
11. ? blainvillii, D.§ B. .. 178 
28. Uraniscodon, Kaup...... 178 
1. umbra, Z... 02... 2... 179 
2. PCA, Le. ca ginnemas 180 
29. Strobilurus, Wregm. . 181 
1. torquatus, Wiegm. .... 181 
30. Urocentron, Kaup ...... 182 
1. azureum, Z........... 182 
2. flaviceps, Guich. ...... 183 
3. castor, Cope .......... 184 
31. Phymaturus, Gravh. .... 184 
1. palluma, Molina ...... 184 
32. Amblyrhynchus, Bell..., 185 
1. cristatus, Bell ........ 185 
33. Conolophus, Fitz, ...... 186 
1. suberistatus, Gray .... 187 
34, Metopoceros, Wagl....... 187 
1. cornutus, Daud......... 188 
35. Iguana, Laur, 2.6.6.0... 189 
1. tuberculata, Laur. .... 189 
2. delicatissima, Zaur..... 191 
36, Brachylophus, Cuv. . 192 
1. fasciatus, Brongn, .... 192 
87. Cyclura, Harl........... 193-- 
1. carinata, Harl......... 193 
38. Ctenosaura, Wiegm. . 195 
1. acanthura, Shaw ...... 195 
2. hemilopha, Cope ...... 197 
3. quinquecarinata, Gray.. 198 
39. Cachryx, Cope.......... 198 
1. defensor, Cope ........ 199 
40. Hoplocercus, Fits. ...... 199 
1. spinosus, Mitz, 2.1.0... 199 
2. annularis, O’SR. ...... 200 
Al. Dipsosaurus, Hall. ...... 201 
1, dorsalis, B. §& G....... 201 
42, Sauromalus, 4. Dum..... 202 
1, ater, 4. Dum. ........ 202 
43. Crotaphytus, Holbr. .... 203 
1. collaris, Say.......... 2038 2757 
2. wislezenii, B.§ Gi... 2043206 \ 
reticulatus, Baird .... 203 
copell, Yarr........... 203 
44, Petrosaurus, Blgr. ...... 205 
1. thalassinus. Cope...... 205 
45, Callisaurus, Blainv....... 205 
1. draconoides, Blainv. 206 
46, Uma, Baird............ 206 
1. notata, Baird ........ 207 
47. Holbrookia, Gar... 2.6... 207 
1. texana, Trosch. ...... 208 
