| | Nikolai Alekseevich Severtzov - Wikipedia, the free encyclopedia |
 | | Nikolai Alekseevich Severtzov (1827 - February 8, 1885) was a Russian explorer and naturalist. |
 | | Severtzov wrote the Vertical and horizontal distribution of Turkestan wildlife (1873), which included the first description of a number of animals. |
 | | Among them one argali that take his name in its scientist description: Ovis Ammon Severtzovi. |
| en.wikipedia.org /wiki/Nikolai_Alekseevich_Severtzov (106 words) |