MAY,] 
Price Is. 6d, net. 
[1905, 
TRANSACTIONS 
OF THE 
HERTFORDSHIRE 
NATURAL HISTORY SOCIETY 
AND 
FIELD CLUB. 
EDITED BY JOHN IIOPKINSON, F.L.S., F.G.S., 
Assoc. Inst. C. E ., Sec. Ray Soc. 
VOL. XII. PART 4. 
CONTENTS : 
PAGES 
19. The Gravels of Hertfordshire. By A. E. Salter, D.Sc., F.G.S. 137-144 
20. Address.—The History of Botanic Illustration. By the President, 
B. Daydon Jackson, F.L.S., Gen. Sec. Linnean Society. 
(Plates I-III and Fig. 23.) .;. 145-156 
21. Coleoptera new to the Hertfordshire Fauna. By A. E. Gibbs, F.L.S., 
F.R.H.S.......... 156 
22. A Neolithic Celt found near Berkhamsted Common. By Sir John 
Evans, K.C.B., D.C.L., LL.D., Sc.D., F.R.S., etc. (Fig. 24.) 157-158 
23. Notes on Lepidoptera observed in Hertfordshire in the year 1904. By 
A. E. Gibbs, F.L.S., F.R.H.S.j... 159-164 
24. Notes on Variation in Melitcea aurinia (artemis). By V. P. Kitchin, 
B. A. (Plate IV.)... 165-167 
25. Coleoptera observed in Hertfordshire in 1904. By E. George Elliman. 168 
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