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Dubois has entered both 5211 and A243 (see postea) 

 as "type" in the register v^hich gives the locality for 

 5211 as "Tabasco" - hence Giesbrecht "was the collector. 



Both of the other Mexican specimens are darker, 

 more" purplish, blue and both are young birds; they are 

 good examples of v.hat is currently knov<,n as "unicolor" 

 [but not of Du Bus]. 



^232. "5", v-lng 152, tail 154, bill 28.8, depth 

 11.1, tarsus 38.7, ^ci. toe cl. 2A.1, tail grad. 36.0, 



Definitely a bird of the year just completing the 

 post juvenile moult; Dubois has labelled it "$ type" 

 (presiimably because it v;as the only other Mexican 

 specimen in the old Brussels collection); the register 

 shoT/s it to have been collected at -'Tepitongo" by 

 Galeotti. 



(Galeotti was at Tepitongo in Sepwe;:;b3r, 1843). 



5213* "d", v/ing 160, tail 153, bill 29.5, depth 

 11.2, tarsus 41.0, mid. ooe cl. 21.4, tail grad. 45. Cl 



Like 4232, definitely a bird of the year, v.dth 

 mandible still partly bicolored at base. It is from 

 the old Du Bus collection and though ticketed only as 

 from "Llexique" is sho\m by the register as coming from 

 "San Pedro, near Oaxaca". It is like the foregoing 

 4232, definitely "unicolor ". VJhether the collector vra.s 

 Galeotti or Ghiesbrecht I do not kno;v. Since it was 

 taken, obviously at the same time of the year, I suspect 

 the former. 



Brussels - July 12, 1939 - all factors 

 reconsidered July 19 and July 25, 1939. 



Note - concolor Cassin is available name for current 

 " unicolor " . 



A. J. Van Rossem 



