736 SNOUT OF FCETUS OF MONOTREMES, 



of the mouth; s.p.c, cartilaginous lamina forming skeleton of anterior part 

 of secondary palate; st.c.car., cornified strata of epidermis covering caruncle; 

 T., tongue; vo., vomer. 



List of Eeferences. 



1. —Wilson, J. T.— " On the Skeleton of the Snout and Os Carunculse of the 

 Mammary Foetus of Monotremes." Proc. Linn. Soc. N.S.W. 1900, 

 Pt. 1, March 28th. 



2. "Description of a young Specimen of Ornithorhynchus ana- 



tinnsr &Q. Proc. Linn. Soc. N.S.W. 1894, Pt. 4, Oct. 31. 

 3.— Parker, W. N. — " On some Points in the Structure of the Young of 



Echidna aadeata.'" Proc. Zool. Soc. Lond., 16th Jan., 1894. 

 4. — Parker, W. K. — Mammalian Descent (London, 1885). 

 5. — PouLTON, E. B.— Quart. Jour. Micros. Sci., Vol. xxix., 1888. 

 6. — Wilson and Martin — "Observations upon the Anatomy of the Muzzle 

 of the Ornithorhynchus." Macleay Memorial Volume (Linn. Soc. 

 N.S.W. 1893). 

 7. — Broom, K. — " On some Developments of the Mammalian Prenasal Car- 

 tilage." Proc. Linn. Soc. N.S.W., 27th Nov., 1895. 

 8. — Parker, W. K. — " Structure and Development of the Skull in Mammalia. 



Pt. ii. Edentata." Phil. Trans. 1885, p. 58. 

 9. — Seydel, 0. — " Ueber Entwickelungsvorgiinge an der Nasenhohle vmd 

 am Mundhijhlendache von Echidna, &c." In Semon's Forschungs- 

 reisen in Australien, Bd. ii., Lief, iii., Jena, 1899. 

 10. — Wilson, J. T. — "Observations upon the Anatomy and Relations of the 

 Dumb-bell-shaped Bone in Ornithorhynchus, &c," Proc. Linn. Soc. 

 N.S.W., 25th April, 1894. 

 11. — Broom, R — " On the Homology of the Palatine Process of the Mamma- 

 lian Premaxillary." Proc. Linn. Soc. N.S.W., 28th August, 1895. 

 12. — SymIngton, J. — " On the Homology of the Dumb-bell-shaped Bone in 

 the Ornithorhynchus." Jour, of Anat.and Physiol., Vol. 30. p. 420 

 1896. 



13. " On the Nose, the Organ of Jacobson, and the Dumb-bell 



shaped Bone in the Ornithorhynchus." Proc. Zool. Soc. Lond. 1891 

 No. xxxix. 

 14. — Broom, R — " On the Organ of Jacobson in the Monotremata." Jour 



of Anat. and Physiol., Vol. 30, p. 70, 1896. 

 15. — Schwink, F — " Ueber den Zwischenkiefer und seine Nachbarorgane bei 



Saugethieren " (Muenchen, 1888). 

 16. —Owen, R.— Li Phil. Trans. 1865, pp. 671-686. 



17. — Semon, R. — Zool. Forschungsreisen in Australien, Bd. ii., Lief. i. (Jena, 

 1894). 



