3° 



MESSRS. LONGMANS & CO.'S STANDARD AND GENERAL WORKS. 



Popular Seienee (Natural History, &e.). 



-Butler. — Our Household Insects. Hudson (W. H.) 



An Account of the Insect-Pests found in 

 Uwelling-Houses. By Edward A. Butler, 

 B.A., B.Sc. (Lond.). With 113 Illustra- 

 tions. Crown 8vo., 3s. 6rf. 



Birds and Man. 



8vo., 6i. net. 



Large 



Purneaux (VV.). 



The Outdoor World; or The 

 Young Collector's Handbook. With 18 

 Plates (16 of which are coloured), and 549 

 Illustrations in the Text. Crown 8vo., 

 gilt edges, 6i. net. 



Butterflies and Moths (British). 



With 12 coloured Plates and 241 Illus- 

 trations in the Text. Crown 8vo., gilt 

 edges, 5i. net. 



Life in Ponds and Streams. 

 With 8 coloured Plates and 331 Illustra- 

 tions in the Text. Crown 8vo., gilt 

 edges, 6j. net. 



Hartwig (George). 



The Sea and its Living Wonders. 



With 12 Plates and 303 Woodcuts. 8vo., 

 gilt top, 7s. net. 



The Tropical World. With 8 



Plates and 172 Woodcuts. 8vo., gilt 

 top, 7s. net. 



The Polar World. With 3 Maps, 



8 Plates and 85 Woodcuts. 8vo., gilt 

 top, 7s. net. 



The Subterranean World. With 

 3 Maps and 80 Woodcuts. 8vo., gilt 

 top, 7i. net. 



Helmholtz. — Popular Lectures on 

 Scientific Subjects. By Hermann von 

 Helmholtz. With 68 Woodcuts. 2 vols. 

 Cr. 8vo., 3J. 6d. each. ' 



Nature in Doivnland. With 12 



Plates and 14 Illustrations in the Text by 

 A. D. McCoRMicK. 8vo., loj. 6rf. net. 



British Birds. With a Chapter 



on Structure and Classification by Frank 

 E. Beddard, F.R.S. With 16 Plates (8 

 of which are Coloured), and over 100 Illus- 

 trations in the Text. Crown 8vo., gilt 

 edges, 6j. net. 



Millais. — The Natural History of 

 the British Surface Feeding-Ducks. 

 By John GuIlle Millais, F.Z.S., etc. 

 With 6 Photogravures and 66 Plates (41 in 

 Colours) from Drawings by the Author, 

 Archibald Thorburn, and from Photo- 

 graphs. Royal 4to., £6 6s. 



Proctor (Richard A.). 

 Light Science for Leisure Hours. 



Familiar Essays on Scientific Subjects. 

 Crown 8vo., 3s. 6rf. 



Rough Ways made Smooth, Fami- 

 liar Essays on Scientific Subjects. Crown 

 8vo., 3 J. 6d. 



Pleasant Ways inScience. Crown 

 8vo., 3i. 6d. 



Nature Studies. By R. A. Proc- 

 tor, Grant Allen, A. Wilson, T. 

 Foster and E. Clodd. Cr. 8vo., 3s. td. 



Leisure Readings. • By R. A. Proc- 

 tor, E. Clodd, A. Wilson, T. Foster 

 and A. C. Ranyard. Cr. 8vo., 3s. 6d. 



*^* For Mr. Proctor's other books see pp. 17 

 and 35, and Messrs. Longmans &• Co.'s Cata- 

 logue of Scientific Works. 



