He also gives a visual description of the numerous living quadrupeds roaming around the land. He mentions many of the animals regularly encountered today such as squirrels, mice, rabbits and deer. Louis Nicolas further orients himself towards the realm of the fanciful. In terms of visual representations, he provides his public with creatures like the (sea monster) and (unicorn of the Red Sea). Sketches of these beasts are also bestowed. Convinced that these magical beasts did in fact exist, he relied on ancient Greek literature to cement his claims. Other wildlife is also incorporated into this large volume, such as reptiles and small insects, though they do not take precedence in comparison to the first three types of species previously mentioned.