32 BRITISH MUSEUM (NATURAL HISTORY). 



Instructions for Collectors — continued. 



No. 3. — Reptiles, Batrachians, and Fishes. [Third 

 Edition.] Pp. 12. 1903, 8vo. Ad. 



No. 4.— Insects. Fifth Edition. Pp. 11. Text illust. 

 1911, 8vo. 3d. 



No. 5. — Diptera (Two-winged Flies). Third Edition. 

 Pp. 16. Text illust. 1908, 8vo. 3d. 



No. 6.— Mosquitoes (Culicidas). [Third Edition.] Pp. 8. 

 1 Plate, 1 figure in text. 1904, 8vo. 3d. 



No. 7. — Blood-sucking Flies, Ticks, &c. By E. E. Austen. 

 Fourth Edition. Pp. 24 : 13 figures in text. 1914, 8vo. 3d. 



No. 8. — Spiders, Centipedes, Peripatus, &c. Third Edition. 

 Pp. 4 : 3 text-figures. 1914, 8vo. '3d. 



No. 9. — Soft-bodied and other Invertebrate Animals ; Shells 

 of Molluscs. Third Edition. Pp. 18. 1909, 8vo. 3d. 



No. 10. — Plants. Fourth Edition. Pp. 10 : 3 figures in text. 



1909. 8vo 3d. 

 No. 11. — Fossils and Minerals. Fourth Edition. Pp. 8. 



1913, 8vo. 3d. 



Economic Series. 



No. 1. — The House-Fly as a Danger to Health. Its Life- 

 history, and how to deal with it. By Ernest E. Austen. 

 Second Edition. Pp. 12 : 2 plates (containing 4 figures), 

 and 3 figures in text. 1913, 8vo. Id. 



The Guide-books, etc. (pp. 28-32) are sold at the Natural 

 History Museum, and by the following Agents : — 



London : Bernard Quaritch, 11, Grafton Street, W. 



DULAU AND Co., Ltd., 37, Soho Square, W. 

 Birmingham : Midland Educational Co., Ltd., 41 



and 43, Corporation Street. 

 Manchester : Sherratt and Hughes, 34, Cross Street. 

 Glasgow : Grant Educational Co., Ltd., 91 and 93, 

 Union Street. 



British Museum (Natural History), 

 Cromwell Road, 

 London, S.W. 

 November, 1914. 



