10 Bulletin American Museum of Natural History IVol. XLVIII 



Dichromanassa rufescens (Gmelin) 

 Reddish Egret 

 Specimens obtained at Magdalena Bay, March 20 and at San Josef 

 Island, March 30. This egret was observed at Concepcion Bay, April 8 

 and at Guaymas, April 7. 



Hydranassa tricolor runcollis (Gosse) 

 Louisiana Heron 

 Magdalena Bay, March 20, one specimen. Observed at Concepcion 

 Bay, April 7. 



Florida cserulea (Linnaeus) 

 Little Blue Heron 

 Magdalena Bay, March 21, one specimen. Several were seen at 

 La Paz, April 18. 



Butorides virescens frazari (Brewster) 

 Frazar's Green Heron 

 Specimens of this form of the green heron were obtained at Santa 

 Maria Bay, March 18, and at San Josef Island, March 31. Green Herons 

 probably of this race were seen at Mulege, April 4. 



Nycticorax nycticorax naevius (Boddaert) 

 Black-crowned Night Heron 

 Specimens were taken at Abreojos Point, March 16, and at Magda- 

 lena Bay, March 22. Night herons apparently of this form were observed 

 at San Josef Island, March 30, and at Concepcion Bay, April 5. 



Nyctanassa violacea (Linnaeus) 

 Yellow-crowned Night Heron 

 Taken at Santa Margarita Island, March 20. 



Pisobia minutilla (Vieillot) 



Least Sandpiper 

 Taken at San Bartolome Bay. March 13 and 14 and at Abreojos 

 Point, March 16. 



Ereunetes mauri Cabanis 

 Western Sandpiper 

 Obtained at San Bartolome Bay, March 13 and 14, Abreojos Point, 

 March 16, and at Magdalena Bay, March 20. 



