^ 



PIN NOCK'S CATECHISMS. 



A. 



CATECHISM 



OF 



ICHTHYOLOGY; 



BEING A 



FAMILIAR INTRODUCTION 



TO THE 



NATURAL HISTORY OF FISHES. 



SCIENTIFICALLY ARRANGED. 



THIRD EDITION. 



LONDON: 

 PRINTED FOR G. & W. B. WHITTAKER, 



13, A VE -MARIA-LANE, LUD GATE- STREET. 



