Title: A companion to Mr. Bullock's London Museum and Pantherion : containing a brief description of upwards of fifteen thousand natural and foreign curiosities, antiquities, and productions of the fine arts, collected during seventeen years of arduous research, and at an expense of thirty thousand pounds : and now open for public inspection in the Egyptian Temple, just erected for its reception, in Piccadilly, London, opposite the end of Bond-Street
Year: 1812 (1810s)
Authors: Bullock, W. (William Bullock), fl. 1808-1828; Samuel Howitt, 1765?-1822, ill; John West Wells, 1907- , former owner. DSI
Subjects: London Museum (1812-1819); Zoology
Source: https://upload.wikimedia.org/wikipedia/commons/a/a4/A_companion_to_Mr._Bullock%27s_London_Museum_and_Pantherion_-_containing_a_brief_description_of_upwards_of_fifteen_thousand_natural_and_foreign_curiosities%2C_antiquities%2C_and_productions_of_the_fine_%2820480842478%29.jpg

The platypus or duck-billed platypus (Ornithorhynchus anatinus) is a semiaquatic egg-laying mammal endemic to eastern Australia, including Tasmania. It is one of the extant species of monotremes, the only mammals that lay eggs instead of giving birth.