Gillis, J. M. (1855). The U.S. naval astronomical expedition to the southern hemisphere, during the years 1849, 1850, 1851, 1852. Volume I, Chile: Its geography, climate, earthquakes, social condition, mineral and agricultural resources, commerce, &c., &c. Volume II, The Andes and Pampas, minerals, indian remains, mammals, birds, reptiles, fishes,, and crustacea, shells, dried plants, living plants and seeds, fossil mammals, fossil shells (1a. ed.). A.O.P Nicholson.

Gillis, J. M. The U.S. Naval Astronomical Expedition to the Southern Hemisphere, During the Years 1849, 1850, 1851, 1852. Volume I, Chile: Its Geography, Climate, Earthquakes, Social Condition, Mineral and Agricultural Resources, Commerce, &c., &c. Volume II, The Andes and Pampas, Minerals, Indian Remains, Mammals, Birds, Reptiles, Fishes,, and Crustacea, Shells, Dried Plants, Living Plants and Seeds, Fossil Mammals, Fossil Shells. 1a. ed. Washington, D.C: A.O.P Nicholson, 1855.

Gillis, J. M. The U.S. Naval Astronomical Expedition to the Southern Hemisphere, During the Years 1849, 1850, 1851, 1852. Volume I, Chile: Its Geography, Climate, Earthquakes, Social Condition, Mineral and Agricultural Resources, Commerce, &c., &c. Volume II, The Andes and Pampas, Minerals, Indian Remains, Mammals, Birds, Reptiles, Fishes,, and Crustacea, Shells, Dried Plants, Living Plants and Seeds, Fossil Mammals, Fossil Shells. 1a. ed. A.O.P Nicholson, 1855.