AMERICAN GOLDEN PLOVER. 203 



long, its greatest diameter S twelfths, its glandules oblong and about a twelfth 

 in length. The stomach, c, d, e,f, is a very powerful gizzard of an irregular 

 roundish form, 1 inch 5 twelfths long, 1 inch 3^ twelfths in breadth; its late- 

 ral muscles very large and distinct, the right, d, 4 twelfths thick, the left, e, 

 3 twelfths, the tendons large; the epithelium thick, longitudinally rugous, 

 and of a reddish colour. The intestine, g, h, i, is 2 feet 2 inches long, its 

 diameter about 2 twelfths; the coeca 2 inches 2 twelfths long, their diameter 

 at the base half a twelfth, toward the end 2 twelfths; the rectum 3 twelfths 

 in diameter, and 2| inches long. 



In the stomach were several shrimps. The lobes of the liver very un- 

 equal, the right being 2^ inches in length, the other 1 T 4 2. No gall-bladder. 



The trachea is wide, flattened, membranous, 4 twelfths broad at the upper 

 part, gradually diminishing to 2 twelfths, its rings, which are very slender, 

 about 100. The lateral muscles exceedingly thin, but becoming more dis- 

 tinct towards the lower part; the sterno-tracheal slender. Bronchi of mode- 

 rate length, of about 20 half-rings. 



AMERICAN GOLDEN PLOVER. 



+Charadrius marmoratus, Wagler. 

 PLATE CCCXVI. — Adult in Summer, Winter, and Spring. 



The Golden Plover spends the autumn, winter, and part of the spring, in 

 various portions of the United States, appearing in considerable numbers 

 both along the coast and in the interior, and not unfrequently on our highest 

 grounds. A much greater number, however, proceed in severe winters be- 

 yond the limits of our Southern States, and the partial migrations of this 

 species are much influenced by the state of the weather. They are more 

 abundant along the sea shores of the Middle and Eastern Districts from the 

 middle of April to the beginning of May, whereas in autumn they range 

 over the interior, and more especially the western prairies. In the early 

 part of May they congregate in immense flocks, and commence their journey 

 toward more northern regions, where they are said to breed. 



This bird moves on the ground with sprightliness. When observed, it 



