[se 
308 SwartH, Marsh Wrens of California. July 
October 16. White-throated Sparrow, Ruby-crowned Kinglet. 
17. Cowbird, Myrtle Warbler. 
18. Bewick’s Wren. 
20. Vesper Sparrow. 
21. Swamp Sparrow. 
24. Pipit. 
26. Wilson’s Snipe. 
28. Rusty Blackbird. 
31. Slate-colored Junco. 
November 2. Purple Grackle. 
4. Purple Finch. 
10. Mallard. 
15. Fox Sparrow. 
21. Pine Siskin. 
23. Short-eared Owl. 
A REVISION OF THE MARSH WRENS OF CALIFORNIA.! 
BY HARRY S. SWARTH. 
AN extensive series of marsh wrens from the delta region east 
of San Francisco Bay has been accumulated in the California 
Museum of Vertebrate Zodlogy, chiefly through the personal efforts 
of Misses Annie M. Alexander and Louise Kellogg. The appear- 
ance of these birds contrasts so strongly with specimens avail- 
able from other parts of California that it has seemed desirable 
to make a careful study of their systematic status. With this 
object in view, as many specimens as possible have been assembled 
illustrative of the Long-billed Marsh Wren (7elmatodytes palustris) 
upon the Pacific Coast, especially in California. Although each 
of the several collections examined or appealed to contained but a 
meager representation of the species, still, by assembling material 
1 Contribution from the University of California Museum of Vertebrate Zodlogy. 
