Fathers Mendez and Lobo traversed the deserts between the coast of the Red sea and the mountains, became acquainted with Lake Tsana, and discovered the sources of the Blue Nile in 1624-1633.
They are the last genuine survivals of the doctrinal discourses with which - as the promulgator of a new religion - he appeared at the court of King Vishtaspa The person of the Zoroaster whom we meet with in these hymns differs lobo coelo from the Zoroaster of the younger Avesta.
Coyotes or prairie wolves (of which there is a local sub-species, Canis nebracensis texensis), grey wolves, prairie dogs (gophers), and jack rabbits are common on the plains; less common are the grey wolf or lobo (Canis griseus) and the timber wolf; and there are several species of foxes, including the swift.
The party landed on the coast of the Red Sea, and Lobo settled in Abyssinia as superintendent of the missions in Tigre.
Forced by persecution to leave the kingdom, in 1634 Lobo and his companions fell into the hands of the Turks at Massawa, who sent him to India to procure a ransom for his imprisoned fellow-missionaries.