Vol. XXX 



i •> i a 



Bebotold, .1 Study of the Hon < Finch 69 



7. A young Hon e Pinch may weigh 99 % °t adult weight 

 within two weeks after hatching. 



8. A young House Pinch may weigh only 62* £ of adull weight 

 yet be ;it. large and able to fly about. 



9. Tin- House Finch ne tlings may lose in weight jus! before 

 ha\ ing the ne I 



Pabasii E8. 



Th<- young and the nests of the Hon-'- Pinch are a] ■■■■■>; infected 

 by a minute parasite, some of which were collected and senl to an 

 entomologist, who determined that they were riot, true bird li f -<- 

 (Mallophaga) bul mites, probably belonging to the family Gama- 

 sidae, subfamily Dermany idae. Further than this, no study of 

 tin- House Finches' dermal para ite has been made. 



Albino Hoi -i. Fra< b. 



On March 12, 1907, the writer and his family observed a snow 

 white House Pinch, which was evidently a female a i1 wa plainly 

 mated to a normal male which accompanied it. This albino was 

 entirely white except a suspicion of dusky encircling the base of 

 both mandibles. Another albino female House Finch was seen the 

 year in ;< neighbor's yard, [t was assumed to be the one 

 obsen '-'I the pre^ i< 



Injubies 



The propinquity of this pecies at the office and house has per- 

 mitted such clo e observation that many of these bird visitors have 

 become known by deformities which they had sustained from 

 injuries : a surprisingly large number of crippled House Finches has 

 been noted, none of which seemed to be any the worse for its handi- 

 cap. Eleven crippled House Finches exhibited the following mu- 

 tilation-- or deformities : 



1 cf Right foot missing. 



1 9 Right leg missing, 



1 cf " " 



2<?<? Left " 



1 9 One foot and one-half of tarsus missing, 



