Plate 37 



Colony of Califdniia lieroiis, II nests, and hlack-CTowncd night licrons, 28 

 nests, in a large sycaniofe tix'c, San l*'raticisco Bay i'(\gion, ('aiifoi-nia, pi'esentcd 

 by Wllliaui L. Finley and 11. T. Hi)!ilnian, referred to on page 127. 

 422 



