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LIST OF ENGRAVINGS ON WOOD. 
. Stomach and proventriculus of Plotus Anhinga, 
. Trachea and stomach of Platalea Ajaja, 
. Stomach and proventriculus of Rhynchops nigra, 
. Stomach, proventriculus, and intestine of Sula alba, One-third size, 
. Stomach and cesophagus of Ardea virescens, 
Stomach and proventriculus of Charadrius helveticus, 
. Stomach and proventriculus of Scolopax noveboracensis, 
. Digestive organs of Ardea minor, : 
. Digestive organs of Uria Alle, : : 
. Stomach and proventriculus of Uria Alle opened, 
. Cloaca and cceca of Uria Alle, 
. Digestive organs of Thalassidroma pelagica, 
. Stomach, proventriculus, and duodenum of 7) ialabehcin eas 
pelagica, 
. Stomach and intestines of Thalassidroma pelagica, 
. Digestive organs and inferior larynx of Anas americana, 
. Digestive organs and part of trachea of Anas strepera, 
. Digestive organs of Parus atricapillus, 
. Digestive Organs of Tanagra rubra, 
. Digestive Organs of Falco cyaneus, — 
Digestive Organs of Pyrrhula Enucleator, 
. Another view of the same, : 
. Digestive Organs of Muscicapa verticalis, 
. Digestive Organs of Troglodytes hyemalis, 
. Digestive Organs of Loxia leucoptera, 
. Digestive Organs of Falco islandicus, 
. Digestive Organs of Falco fuscus, 
. Digestive organs of Aramus scolopaceus, 
Digestive organs of Strix funerea, 
. Ceca and cloaca of Strix funerea, 
2. Aperture of ear of Strix funerea, 
. External ear of Strix Otus, 
. Coeca and cloaca of Strix Otus, 
. Digestive organs of Hmberiza americana, ; ; 
. Tail of Hirundo riparia, 
. Tail of Hirundo serripennis, 
. Part of outer primary of Hirundo serripennis, 
. Coecum and cloaca of Ardea Egretta, ° : 
. Digestive Organs of Pelecanus Americanus, . One-third size, 
. Sternum of Pelecanus Americanus, 
Page 
99 
Rather less than half size, 102 
Full size, 159 
Half size, 
Full size, 
Full size, 
197 
211 
239 
279 
285 
289 
301 
307 
307 
307 
314 
314 
Half s:ze, 
Full size, 
Full size, 
314 
343 
358 
381 
393 
407 
420 
420 
425 
442 
471 
478 
529 
549 
554 
554 
554 
578 
578 
583 
595 
595 
595 
606 
