28 W. P. PYCRAFT. 



14. Pycraft, W. P. " A Contribution towards our Knowledge of the Pterylogi-aphy of the Megapodii." 



Willey's Zoological Eesults. Part iv. (1900). 



15. Pycraft, W. P. " On the Morphology ... of the Palaeognathae." Trans. Z.S., xv. (1900). 



16. Pycraft, W. P. " Contributions to the Osteology of Birds. Part ii. Irnpennes." P.Z.S. 1898. 



17. Pycraft, W. P. " Some Points in the Morphology of the Palate of the Ncognathaa." Journ. Linn. 



Soc. xxviii. 



18. Schaunisland, H. " Zur Entwickl. der Penguine." Verh. Ges. Deutsch. Naturf. 1891. 



19. Stieda, L. " Bau u. Entwickl. der Feder." Petersb. medic. Zeitschr., Bd. xvii. (1869). 



20. Studer, T. H. " Die Forschungsreise S.M.S. ' Gazelle.'" Berlin. Theil iii., 1889. 



21. Watson, M. " Eeport on the Anatomy of the Spheniscidee." 'Challenger' Reports, vii. (1883). 



22. Wiman, C. " Die Alttertiaren Vertebraten der Seymour Insel." Wiss. Ergeb. der Schwedisch. 



Stidpolar-Exped. Bd., iii., Leifr. 1 (1905). 



DESCRIPTION OF PLATE. 



Skulls (left side view) and wings (dorsal aspect) of nestling Penguins. 



FIG. 1. Skull of Catarrhactes chrysocome. 

 2. Spheniscus demersus. 

 3. Pygoscelis adelise. 

 4. (full grown). 



5. papua. 



6. Aptenodytes forsteri. 



7. Hemipterygoid of Aptenodytes forsteri. 



8. Skull of Aptenodytes forsteri. 



9. Right wing of Pygoscelis adeliee. 

 10. Aptenodytes forsteri (later stage). 



,,11. Pygoscelis adelise (adult). 



Als. = alisphenoid. Ph. 1 = phalanx 1 . 



bp. = basipterygoid process. r. 1 = radiale. 



c. = condyle. r. = radius. 



dc. 1 - 2 - 3 - = distal carpalia, 1. 2. 3. u 1 = ulnar. 



fr. = frontal. u. = ulna. 



h. = humerus. so. = supraoccipital. 



hept. = hemipterygoid. s.o.g. = orbital groove. 



l.o. = lateral occipital. sq. = squamosal. 



p. = parietal. I. II. III. = Digits I. II. III. 



FIGS. 1-6 and 8. Slightly reduced (| nat. size). 

 FIG. 7. Enlarged. 



9. Four times natural size. 



10. Five times natural size. 



11. Slightly reduced (-J nat. size) . 



