The preparation of this Catalogue was entrusted to a Sub- 

 committee of the Tyneside Naturalists' Field Club, consisting of 

 Joseph Harrison Fryer, Albany Hancock, and Joshua Alder, 

 and has been drawn up by the latter with the assistance of the 

 two former. The names of the Sub -committee are indicated in 

 the Catalogue by their initials. 



NEWCASTLE : PRINTED BY T. AND .1. HODGSON, UXlrtX STREET. 



