BIBLIOGRAPHY OF THIS VOLUME. 



First Instalment : Sheets A, B, C, pag-es 5-52, forming Part 28 of 

 the Transactions of the Yorkshire Naturalists' Union, published 

 November, 1902. 



Second Instalment: Sheets Titles, D, E, F, G, H, K, L, M, N, O, 

 P, Q, R, S, T, U, X, Y, Z, 2 A, 2 B, 2 C, pages 53-396, forming 

 Part 32 of the Transactions of the Yorkshire Naturalists' l^nion, 

 published Juh-, 1905. 



N.B. — The Introduction issued with the Second Instalment takes 

 the place of thiit on pages 5-S in the First Inslalmcnl. 



