( viii ) 



Dates of publication of the several parts contained in this volume 



Parti. Pages 1-88 and ix-xvi February, 1907. 



,, 2. ,, 89-140 September, 1907. 



,, 3. ,, 141-248 and xvii-xx February, 1908. 



,, 4. ,, 249-284, i-viii, and xxi-lx September, 1908. 



Dates of publication of previous volumes : 



Transactions of the Watford Natural History Society 

 Vol 



I. (pp. Ixiv and 248.) 

 II. (pp. Ix and 260.) 



August, 1878. 

 June, 1880. 



Transactions of the Hertfordshire Natural History Society. 



Vol. 



I. (pp. 



II. (pp. 



III. (pp. 



IV. (pp. 



V. (pp. 



VI. (pp. 



VII. (pp. 



VIII. (pp. 



IX. (pp. 



X. (pp. 



XI. (pp. 



XII. (pp. 



Ixviii and 272.) 



Ixviii and 286.) 



Ixxii and 274.) .... 

 Iiiand224.) .... 

 xlviii and 224.) ... 

 Ixx and 204.) .... 

 Hi and 244.) .... 

 Ixxii and 212.) .... 

 Ixxviii and 252.) 

 Ixxvi and 248.).... 

 xliv and 252.) .... 

 Ixxii and 264.) .... 



May, 1882. 

 May, 1884. 

 March, 1886. 

 June, 1888. 

 May, 1890. 

 July, 1892. 

 April, 1894. 

 November, 1896. 

 August, 1898. 

 July, 1901. 

 November, 1903. 

 October, 1906. 



