﻿BIRDS OF THE TRES MARIAS ISLANDS. 



35 



tlian they do representatives of palliatus from the adjacent mainland. 

 A series of specimens from tbe southern end of Lower California will 

 13robably show intergradation between 'palliatiis ^wd. Jrazari. The fol- 

 lowing measurements show the comparative sizes of birds from various 

 localities: 



Measnroiients of Hwmatopus palliahiH, H. frazari, and H. galapacjensis. 



Name. 



Locality. 



Sex. 



ber of 

 speci- 

 mens. 



Wing. 



Tail. 



Cul- 

 nien. 



Tarsus. 



Haematopus palliatus.. 



Atlantic coast, United 





3 



260 



102.3 



90 



63 





states and West Indies. 















Ha?matopus palliatus.. 



Tres Marias and Isabel 





6 



256 



100.1 



75.8 



58. 1 





Islands. 















HcBmatopus palliatus.. 



Tres Marias and adjacent 



$ 





262.2 



104 



83.8 



58.4 





coast. 















H?Dmatopus palliatus - - 



Peru and Chile 



? 





263 



97.5 



84 



61 



Hiematopus frazari 



Coast of Lower California . . 



? 



■1 



250.2 



.116.8 



74.4 



56.9 



Haematopus galapa- 



Clalapagos Islands 





2 



253 



98 



83.5 



54.5 



gensis. 

















Haematopus gala p a- 



Galapagos Islands 



? 



3 



246.6 



101.6 





57 



gciisis. 

















Columba flavirostris madrensis Nelson. Tre.s Maiias Pigeon. 



Columba flavirostris Grayson, Proc. Boston Soc. Nat. Hist., XIV, p. 274,1871; 



Lawr., Mem. Boston Soc. Nat. Hist., II, f). 304, 1874. 

 Columba flavirostris madrensis Nelson, Proc. Biol. Soc. Washington, XII, p. 6, 1898. 



These handsome birds were rather common on Maria Madre and 

 Maria Magdalena, ranging to the summits of tlie islands, and they 

 probably live also on Maria Oleofa. On Maria Madre they w ei e most 

 numerous along the wooded sides of a canyon some distance back from 

 the coast, where they usually perched among the higher branches of 

 the trees or were seen Hying about by twos and threes. Early in the 

 morning a few couhl be found among the smaller trees on the bases of 

 the foothills near the settlement, but later in the day they retired farther 

 inland to the more heavily wooded slopes. On Maria Magdidena they 

 were numerous in some trees near a group of deserted houses and in 

 old clearings a short distance back from the shore. They came to these 

 trees to feed upon the ripening fruit, but were rather shy. When one 

 becomes startled and takes wing it makes a loud flapping noise that 

 alarms its companions, and then ail (hish swiftly away. They were less 

 confiding than most of the birds on the islands, but were not so shy as 

 their representatives on the mainland. Wild figs and the small fruit 

 of a tree, probably a species of Fsidium^ or wild guava, were favorite 

 articles of food. Their loud cooing note is uttered at short intervals 

 and is one of tne characteristic sounds in the forests they frequent. 

 They are essentially arboreal in habits and are rarely seen near the 

 ground. 



