An instrument for showing the operation of the causes which produce the succession of day and night, and the changes of the seasons. (Written also tellurion)
... Mammal differed from the Apes; and if we found that these were of less structural value, than those which distinguish certain members of the Ape order from others universally admitted to be of the same order, we should undoubtedly place the newly discovered tellurian genus with them. ... — On the Relations of Man to the Lower Animals • Thomas H. Huxley