Gymnogyps californianus April 3, 1946 Encinitas, Calif. 10.90 oz., authority "Knowlton, Birds of the World, 1909." p.7783, incubation period, 29 to 31 days, authority "Evans - Davis, Vol.III, p.52." April 4, 1946 Escondido, Calif. Drove to Escondido & talked with JB Dixon about vulture . Dixon sketched me the location of old nest on the San Luis Rey River as below: Cecq Ranch --> Lake Henshaw tunnel Barnes egg ST.R. River The nest spots were NW by N from Rodrick Mtn. top and close to the San Luis Rey River. A locked gate bars the road to caretaker's house - Dixon will lend me a water company (Escondido Mutual) key to get thru this gate. One can hike down the canal from