FAMILY CHARACTERS. 



to it, as in the Swamp Sparrow, they are, however, as a rule 

 shorter than it. The marginal indentations (see fig. 4, m,) are 

 two, and equal in depth the height ol the keel. The keel is 



Fig. 3. 



stomach, crop etc. of English Sparrow. 

 C, gullet, p, proventriculus; b, spleen ; sh, Btomach ; pi, pylorus ; o, beginning of 

 intestine d, duodenum: pc, pancreas; i, intestine i p. lining membiane of stomach: 

 (longitudinal section: transverse section to right) w. Avails of stomach in both 

 BBctions; oe, I, dilitation of the gullet, forming a kind of crop; co, coeca. 



variable in height, being in the Fox Sparrow about as high 

 as one half the length of the coracoids (see fig. 5.) but in the 

 Shore Finches it is very low, not m.ore than one-third as high 

 as the length of the coracoids (see fig. 4, v). 



