9 8 



EXTINCT MONSTERS 



classification of their various members is a difficult one, which 

 only time and further discoveries can settle. 



Loxomma is another genus of the Coal period, but only the 

 head is known (see Plate VII.). It was named by Professor 

 Huxley, who, during a visit to Edinburgh in 1862, made a 

 study of the large collection of vertebrate fossils from Burdie 

 House and Gilmerton in the Museum of Edinburgh. While 

 looking through the collection for fossil fishes, he came upon 

 some specimens which were of quite a different character, and 



FIG. 19. Labyrinthodonts. 1, a, b, Cricotus, 2. Skull of Eryops. From 

 Permian strata, Texas. (After Cope.) 



among these found part of the skull of a Labyrinthodont, 

 which he named Loxomma. A very beautifully preserved 

 specimen of the skull of this creature, from the coal-measures 



