Racial Phylogeny is a work compiled by the Council of Healers, from the Imperial University. It is a discussion about the similarities and differences between the races of Tamriel. Dragonborn with a keen interest in Restoration magic will find themselves most illuminated by its discussion.
The tome can be found in the following locations:
Avanchnzel Animoncultory (The Rift), in a room on the eastern side, on the northern table
On an altar located in the middle of Boulderfall Cave, near Autumnshade Clearing, and Shor’s Stone (The Rift) (map)
Corpselight Farm (Falkreath) on a book shelf
Moorside Inn (Morthal), inside a basket
Urag gro-Shub (College of Winterhold), Hitting the Books quest reward
Reading by Galev (@galev_ph)