EXPLANATION OF THE PLATES. 



Plate I. Digestive Organs of Probers. The same letters 

 refer to the same parts in all. 



Fig. 1. Digestive Organs of the Lap- 

 wing, Vanellus cristatus. 



a, b, c, the oesophagus. 



b, e, proventriculus. 

 d, stomach. 



d, e, f duodenum. 

 g, rest of intestine. 



h, coeca. 



i, j, cloacal dilatation of the rectum. 



Fig. 2. Digestive Organs of the Dunlin, 

 Tringa Cinclus. 



Fig. 3. Digestive Organs of the Gray 

 Phalarope, Phalaropus lobatus. 



Plate II. Digestive Organs of Probers. 



Fig. 1. Digestive Organs of the Oyster-catcher, Damatopus Ostralegus. 

 Fig. 2. Digestive Organs of the Curlew-billed Sandpiper, Tringa suibarquata. 

 Fig. 3. Digestive Organs of the Red-shank, Totanus Galidris. 



Plate III. Digestive Organs of Stalkers. 



Fig. 1. Digestive Organs of the Black-billed Egret, Egretta nigrirostris. 



The great width of the oesophagus, the roundish thin stomach, its pyloric 

 lobe, the very slender elongated intestine, destitute of coecal appendages,and the 

 large globose cloaca, are characteristic of this order. 



Plate IV. Digestive Organs of Skulkers. 



Fig. 1. Digestive Organs of the Corn-Crake, Crex pratensis. 

 Fig. 2. Digestive Organs of Bald Coot, Fulica atra. 



The powerful gizzard and large coeca agree with those organs in the 

 Rasores, but the oesophagus differs in having no crop or dilatation. 



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