EIGHTH YEAR OF PUBLICATION: 



THE NATURAL HISTORY AND SCIENTIFIC 



BOOK GrRCULAR 



The following Numbers have been recently published : 



17. CONCHOLOGY, ENTOMOLOGY, and ORNITHOLOGY. 



18. GENERAL NATURAL HISTORY. 



19. CHEMISTRY, GEOLOGY, MATHEMATICS, PHYSICS, ASTRONOMY. 



20. BOTANY. (Out of print. ) 



21. SOME BRANCHES OF ZOOLOGY & GENERAL NATURAL HISTORY. 



22. ORNITHOLOGY. 



23. ENTOMOLOGY. 



24. CONCHOLOGY, MOLLUSCA, ICHTHYOLOGY, REPTILIA. 



25. GEOLOGY, MINERALOGY, PALEONTOLOGY. 



26. BOTANY. 



27. ASTRONOMY, ELECTRICITY, MAGNETISM, MATHEMATICS, OPTICS. 



28. CHEMISTRY, PHYSICS. 



Free by Post for One Stamp each. 



WILLIAM WESLEY, 28, Essex Street, Strand, London. 



On the First of every Month, Price 8i'jc,pence. 



THE ENTOMOLOarST: 



An Illustrated Jourlial of British Entomology, 



For diffusing information witli regard to tlie Science generally, and especially 

 respecting insects injurious to Farm or Garden ; for recording the Capture of 

 Rake Species, and for Figuring Varieties. 



' Edited hy JOHN T. CA RRINGTOl\, with the assistance of 



Frederick Bond, F. L. S. , Frederick Smith (late Pres. Ent. Soc. ) ■ 



Edward A. Fitch. J. Jenner Weir, F.L.S. 



John A. Power, M.D. F. Buchanan White, M.D., F.L.S. 



There will shortly be a beautiful COLOURED PLATE of Twelve Varieties 

 of COLIAS EDUSA. There are numerous well-executed Woodcuts. Lists of 

 Duplicates and Desiderata are published monthly. 



Subscription for the year 1878, including Postage and all Double Nos., 



SIX SHILLINGS. 



The Entomologist's Monthly Magazine. 



Price 6d. monthly, 24 pages 8vo, with occasional Illustrations. 



Conducted by J. W. Douglas, R. MacLachlan, F.R.S^ E. C. Rye, 

 F.Z.S., H. T. Stainton, F.R.S., &c. 



This Magazine, commenced in 1864, contains standard Articles and Notes on 

 all subjects connected with Entomology, and especially on the Insects of the 

 British Isles. 



Subscription 6s. -per volume, post free. The volumes commence with the June 

 number in each year. 



The early volumes are out of print, but can be occasionally obtained by purchasers 

 of the entire series. In this case the price of vols. 1. to V. is 10s. per vol. The 

 succeeding vols, (strongly bound in cloth) can be h.iA separately or together at 7s. 

 per vol. 



London : JOHN VAN VOORST, 1, Paternoster Row. 

 N.B. —Communications, &;c,, should be sent to the Editors at the above address. 



