196 
OBERHOLSER on a New Marsh 
Wren. 
Auk 
April 
is under especial obligation to Mr. Robert Ridgway, at whose 
suggestion the preparation of this paper was undertaken. 
Comparative measurements of the forms here treated are given 
below. 
COMPARATIVE MEASUREMENTS. 
Cistothorus palustris. 
bo og a3 g S| SS 
cs ny PSM EStaaa EMI) ee | el 
A eemICemIGI i > | 2° 
Average of 27 specimens. | 48.6 | 40.2 | 13.2 | 14.9 | 18.8 | 12.8 Ba 
Maximum. 52 46.5 | 14 16 20.5 | 14 6 
Minimum. 44 Bass |) uz 14 17 11.5 5 
Average of 17 males. AQ) s9)) ZINC) I) Wao S|] UB oW |i UOL2 |p 103 5-4 
Average of 10 females. MOSS ASR | UDG) Mi TAs | Sse || 12. ee 
Cistothorus palustris plesius. 
Average of 26 specimens. | 52.5! | 46.1! | 12.4 | 14 18.7 | 12.4 5 
Maximum. 57 51 13-5 | 15.5 | 20 13 505 
Minimum. 48 AI.5 | II 13 17 11.5 4.5 
Average of 13 males. LP GaRwOy 4] pode I Aah iitalonh |" 1G 12.7 5 
Average of 6 females. | SOL4 4G sO 2.20 Ol het Ong mien 4.8 
| | 
Cistothorus palustris paludicola. 
Average of 9 specimens. | 50.1 | 43.8 | 11.9? | 13.3? | 18.2 | 12.6 Boil 
Maximum. 53 48 12 14 20 Bok SES 
Minimum. AG S| AOoH || Uvoky I UBoIy ||) uF II 4.5 
| 
1 Excludes four in worn plumage. 
? Excludes three in worn plumage. 
3 Excludes one with bill broken. 
