EXPLANATION OF PLATES 381 



PLATE XXIII 



Fig. 77. Respiratory Organs, Larynx, Tracheal Chamber, and Lungs, seen from the 

 ventral side. The tracheal chamber on the right of the figure shows the Glottis, 

 t\ie Laryngeal Cartilages, and thcEntrance to the Lung. The M. transversa s ventralis 

 4 has been removed from the left side of the figure as also have the pulmonary vein 

 and the anterior pulmonary nerve, x6. 



Fig. 78. Dorsal View of Two Vertebrae with Two of the Dorsal Myosepta attached on 

 the Left Side. The MM. interspinales are also shown, X 5. 



PLATE XXIV 

 Fig. 79. Semi-diagrammatic representation of the Tenth Spinal Nerve illustrating the 



typical branches of an abdominal nerve. 

 Fig. 80. Membranous Labyrinth of the Ear, viewed from the lateral aspect, X 25, 

 Fig. 8r. Membranous Labyrinth of the Ear, viewed from the mesial aspect, X 25. 

 Fig. 82. Lateral Viezv of the Cartilaginous Nasal Capsule with the smooth nasal 



muscles in situ. Modified after Bruner. 



PLATE XXV 



Fig. 83. Map of Europe — including Asia Minor — showing the distribution of the 



Genus Salamandra. The area covered by S. semenovi is somewhat speculative since 



the records are very scanty. 

 Fig. 84. Map of Europe showing the distribution of the three major varieties of the 



species of S. salamandra. Note: the ordinary Forma typica is also found all over the 



area covered by var. molleri. 



