Lydekker, Richard, et al. <br/><br/>
Reptiles, amphibia, fishes and lower chordates 

 -  Methuen & Co. Ltd., London  1912 
 - 510 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chordata; Vertebrate experimental zoology
<br/><br/><label>Dewey Class. No.: </label>596.0724  LYD-R