Gasman. — Chimaeroids. 



PLATE 6. 



Figs. 1 and 2. Callorhynchus smythii Benn., vomerine and palatine and mandibu- 

 lar teeth, nat. size. 



Figs. 3 and 4. Callorhynchus smythii, vomerine, palatine, and mandibular teeth 

 of very young, nat. size. 



Figs. 5 and 6. Callorhynchus capensis Dum., vomerine, palatine, and mandibular 

 teeth, nat. size. 



Figs. 7 and 8. Callorhynchus milii Bory, vomerine, palatine, and mandibular 

 teeth, nat. size. 



Fig. 9. Callorhynchus tritoris Garm., vomerine teeth and one palatine tooth, 

 nat. size. 



