4. Black-crowned Night Heron - one miniature flesow 5-8 Mallards, Cinnamon Teal, Lesser Scaup, Ruddies One pair of Cinnamon Teal on the small pool at east end of the larger lake. Ruddies, many in full plumage - 9. Costs - very abundant 10-12 Western, Glaucocon, winged - Bonapartes - along shore in East Bay - 13. Allen Hummingbird. The trip was planned purposely to see these in abundance and we were not disappointed. A nest was found in one of the Monterey Pines at Lake Merced - the female was adding a big bunch of down. At the lunch place on the bank of North Lake in Golden Gate Park this makes were in the air about us all the time - doing the pendulum, fighting e.t.c. 14. Blue Anna Hummingbird gave its ex- pllosive whistle at the bottom of its due. 15. Flickers - several seen. 16. Barn Swallow - one seen at Lake Merced 17. Santa Cruz Chickadees - still in flocks - 18. Brush Tito - both at L. Merced North Lake. 19. Virginia Vireo, many in full song. At the Japanese Tea Garden a pair were- building a nest in the mouth of a Buddha not two feet from a main path and about two ft. from the ground -