150 



NEW PLUMED I'AIITRIDCJE FROM SONOKA. 



Another female (No. 11()50(>) ditlers IVoiii tliat dosciibcd in Iiavinji: 

 the crest less deeply black, the shorter leathers having an indistinct 

 freckling of brown, and the upper tail coverts are much more distinctly 

 marked with butty whitish, in the form of irrejjuhir bars. 



The live si)ecimens upon which this new race is based have been care- 

 fully compared with six examples (four males and two females) of true 

 C. elegans from Mazatlan, and the difference noted in the above diagnosis 

 found to be constant. A pair of typical C elegans are well ligured in 

 Gould's Monograph of the Odontophorime, the figures in question 

 showing unmistakably the characters of the Mazatlan bird, even to the 

 light-brown crest of the female, which, however, is represented as being 

 uni(;olored. That this is an error is evident, however, from the text, 

 which describes the crest as brown, "crossed with zigzag markings of 

 a darker color," thus agreeing with the specimens which have been ex- 

 amined by me. 



Measurements of the two forms comi)arc as follows: 



C. ELEGAJJS. 



Mns. 

 No. 



37S41 

 2:«Vi 

 23873 



Localitv. 



Mazatlan , Mpx i co . 



, do 



do 



Average). 



Date. 



June, — , 1861 

 Juno— ,1861 

 Apr. 21, 



Wiut 



4.50 

 4.40 

 4.50 

 4.60 



4.50 



Tail. 



3. 3.-) 

 3.50 

 3. 5 p 

 3.45 



3. 45 



Tar- 

 sus. 



1.20 

 1.20 

 1.20 

 1. 25 



1.21 



Middle 

 toe. 



1.10 

 LIS 

 1.10 

 1.10 



1.11 



C. ELEGANS BENSONI. 



110.'->02 

 110.''>01 



iior.o3 



9 I rfad. Campo.s, SoDora 



3 U/ad. do 



13 I fad do 



Averajro . 



Fob. 

 Fob. 



3, 1887 

 3, 1887 



4. i50 

 4.40 

 4.70 



3.75 

 3.50 

 3. 85 



3.70 



1.20 

 1.20 

 1.20 



1.10 

 1.10 

 1.15 



