PLATE XIII. 



Digestive organs of Endyptes chrysocome, from Kerguelen Island. 



Fig- 1. — Tonji^ue and floor of mouth ; natural size. 

 B. P. Buccal group of papillte. 



L. F. Apertures of ducts of lingual glands. 



L. P. Laryngeal pad, separated from its fellow by the superior aperture of the larynx. 



CE. Commencement of the oesophagus. 



T. Tongue. 



Fig. 2. — Koof of mouth ; natural size. 



P. Horny plate which completes the palate in fiont. 



P. G. Apertures of ducts of palatal glands. 



P. L. Palate covered with recurved papillaj. 



Fig. 3. — Exterior of stomach of Eiuhjptes ehrysoromc, from Kerguelen ; half natural size. 

 D. Duodenum. 



G. S. Glandular portion of stomach. 



M. S. Muscular portion of stomach or gizzard. 



(E. CEsophagus. 



Fig. 4. — Interior of stomach of Eudijptes chrysomme, from Kerguelen ; half natural size. 

 D. Duodenum. 



M. S. Muscular portion of stomach or gizzard, showing the longitudinal luga- 



converging towards the pyloric orifice. 

 (E. (Esophagus, showing the longitudinal rugse. 



P. G. Proventricular gland. 



Fig. 5. — Liver and pancreas of Endyptes chrysocome, from Kerguelen ; natural size. 



G. B. Gall bladder. 



/. /. /. Intestine. 



L. H. D. Left hepatic duct. 



L. L. Left lobe of liver. 



L. P. D. Lower pancreatic duct. 



P. P. Pancreas. 



P. H. D. Eight hepatic duct. 



R. L. Eight lobe of liver. 



S. Stomach. 



U. P. D. Upper pancreatic duct. 



V. C. I. Vena cava inferior. 



Fig. 6. — Great intestine of Eudyptes chrysocome, from Kerguelen, seen from the front. ■ 



A. Anus. 



A. P. Anal passage. 



C. Cseca closely applied to one another below the gut. 



CI. Cloaca. 



P. Eectum. 



S. I. Termination of small intestine. 



