404 pkocp:edixgs of the academy of [July, 



Fig. 5rtf. — Sagittal section of the head of the embryo under consideration. 

 The section is not exactly in a median plane, so that some of the unpaired 

 organs are cut medianally while others are not (mag. 4 diam.). 



Literature. 



Beard, J. Morphological Studies, No. 4: The Nose and Jacobson's Organ. 



Zool. Jahrbiicher, Bd. Ill, 1889, S. 753. 

 Broun, H. G. Nasal Cavity of Crocodilia, in Thier-Reichs, Bd VI, 3 Ab., 



Reptilien, II, S. 874. 

 Howes, G. B. On the Probable Existence of a Jacobson's Organ among the 



Crocodilia. Proc. Zool. Soc. London, February, 1891, p. 148. 

 Meek, A. On the Occurrence of a Jacobson's Organ, with Notes on the 



Development of the Nasal Cavity, the Harderian Gland in Crocodilus 



porosus. Jour, of Anat. and Physiol., Vol. XXVII. 

 Sluiter, C. Ph. Das Jacobson'sche Organ von Crocodilus porosus (Schn.). 



Anat. Anz., 1892, S. 540. 



