Freese, H. 1991 August 17 crossing Scotia Canyon on the road north along W. (continued) slopes of the mountains, and we can see the dark-green covered steep slopes of the main range to our east. Already warm, sunny, partly cloudy blue sky when we arrive. The canyon bottom has several side washes, and we walked up several on the south shaded side - Roger reported the other side was already hot and they find Crotalus willardi more active when it's cooler and wet compared to C. lpidus. There are rocks everywhere, even on the rounded gentle ridges between streambeds. At 0830 hr Dave Hardy spotted a young adult F C. willardi crossing a few meters in front of him over rocks and dead leaves on a WNW facing slope above a side canyon - he tumbled while trying to film w/ a video camera, and later there was good natural joking about him doing cartwheels of joy over finding the snake. When we closed in for capture the snake went under a ~20 cm F rock; when grasped w/ foregrs she turned and bit, never really struck, and didn't rattle (her stings is only 1 or 2 segment however, so...). At 0915 hr I suddenly heard rattling at my feet and saw a