| Plate I. | Proctotretus Chilensis. |
| —— gracilis. | |
| II. | —— pictus. |
| III. | —— Bibronii. |
| —— tenuis. | |
| IV. | —— signifer. |
| —— nigromaculatus. | |
| V. | —— Fitzingerii. |
| —— cyanogaster. | |
| VI. | —— Kingii. |
| VII. | —— Darwinii. |
| VIII. | —— Weigmannii. |
| IX. | —— multimaculatus. |
| —— pectinatus. | |
| X. | Diplolæmus Darwinii. |
| XI. | —— Bibronii. |
| XII. | Amblyrynchus Demarlii. |
| XIII. | Gymnodactylus Gaudichaudii. |
| Naultinus Grayii. | |
| XIV. | Leiocephalus Grayii. |
| Centrura flagellifer. | |
| XV. | Ameiva longicauda. |
| Gerrhosaurus sepiformis. | |
| Cyclodus Casuarinæ. | |
| XVI. | Rana Delalandii. |
| —— Mascariensis. | |
| Limnochans fuscus. | |
| Cystignathus Georgianus. | |
| XVII. | Borborocœtes Bibronii. |
| —— Grayii. | |
| Pleurodema Darwinii. | |
| —— elegans. | |
| —— bufoninum. | |
| XVIII. | Leiuperus salarius. |
| Pyxicephalus Americanus. | |
| Alsodes monticola. | |
| Litoria glandulosa. | |
| Batrachyla leptopus. | |
| XIX. | Hylorina sylvatica. |
| Hyla agrestis. | |
| —— Vauterii. | |
| XX. | Rhinoderma Darwinii. |
| Phryniscus nigricans, | |
| Uperodon ornatum. |
| Errata.—In Plate XIX. | for “Hylonia” read “Hylorina.” |
| for “vanterii” read “Vauterii.” |