478 Bulletin American Museum of Natural History. [Vol. XXVII, 



1907. OsBORN, H. F. Evolution of Mammalian Molar Teeth to and 



from the Triangular Type. 8°. New York. 

 1899-1900. Paulli, S. Ueber die Pneumaticitat des Schiidels bei den 



Siiugethierien. Morpholog. Jahrbuch, vol. xxviii, pp. 147-178, 



179-251, 483-564, pll. vii, viii-xiv, xxvii-xxix. 

 1895. Smith, G. Elliot. A Preliminary Communication upon the 



Cerebral Commissures of the Mammalia with Special Reference 



to the Monotremata and Marsupialia. Proc. Linn. Soc. N. S. 



Wales, vol. ix (1894), pp. 635-657, pi. xliv. 

 1895-96. Notes upon the Morphology of the Cerebrum and its 



Commissures in the Vertebrate Series. Anaf. Anz. (Bardeleben), 



xi. Bd. pp. 91-96. 

 1895-96. The Morjjhology of the Smell-Centre. Anat. Anz., 



(Bardeleben), xi. Bd., 1896, pp. 49-55. 

 1897. The Origin of the Corpus Callosum: a Comparative Study 



of the Hippocampal Region of the Cerebrum of Marsupialia and 



certain Cheiroptera. Trans. Linn. Soc. Lond. (2), vol. vii (zool.), 



pp. 47-69. 



1901. Notes upon the Natural Subdivision of the Cerebral Hemi- 

 sphere. Journ. Anat. and PhijsioL, vol. xxv, pp. 431-454. 



1902. On a Peculiarity of the Cerebral Commissures in certain 



Marsupialia not hitherto recognised as a Distinctive Feature of the 



Diprotodontia. Zool. Anz., Bd. xxv., pp. 584-589. 



Hypothesis of the origin of the corpus callosum and of its critical impor- 

 tance in the Eutheria. 



Other important papers by this author are listed below under Monotre- 

 mata, Marsupialia, Edentata, Ungulata, Primates. 



1904. Weber, M. Die Saugetiere, vide supra (p. 476). 



The "Anatomisches Teil" is by far the best and most comprehensive recent 

 work on the comparative anatomy of mammals. 



1897. WiNDLE, B. C. A., and Parsons, F. G. On the Myology of the 

 Terrestrial Carnivora — Part I. Proc. Zool. Soc, 1897, p. 370. 

 Part II. ibid., 1898, p. 152. On the Myology of the Edentata, 

 Part I. ibid., 1899, p. 314. Part II. ibid., 1899, p. 990; On the 

 Muscles of the Ungulata; Part I. ibid., 1901, p. 656; Part II. 

 ibid., 1903, pp. 261-298 (with summary). 



Principles of Phylogeny and Modes of Evolution. 



1890. Cope, E. D. The Primary Factors of Organic Evolution. 8°. 

 Chicago. 



