ADVERTISEMENTS. 



CONTENTS. 



PAGE 



Gossiping Notes on British Coleoptera — G. A. Lewcock ... ... ... 47 



Air-Breathing Arthropods— Linnaeus Greening, F.L.S. * ... ... ... 49 



The Pterophorina of Britain— J. W. Tutt, F.E.S. ... ... ... ... 54 



Byways of Botany — J. W, Soutter ... ... ... - ... ... ... 61 



How Do Animals Breathe ? — A. J. Joliey ... ... ... ... 63 



Reports of Societies... ... ... ... ... ... ~ ... ... 73 



Notes— Collecting Diatoms — Mounting Fresh Water Algae — What constitutes a 

 British Insect? — Aciptilia Spilodactyla — The Hawfinch — Dentistry among 



the Aztecs.... ... ... ... - ... ... ... ] ... 76-79 



Books Received ... ... ... ... ... ... ... ... 81 



Notices to Correspondents ... ... ... ... ... ... ... 81 



Exchanges...' ... ... ... ... ... ... ... ... 81 



The following are some of the Papers which will appear in 

 "THE BRITISH NATURALIST" during the year :— . 



Phagocytes, Professor A. H. YOUNG, M.B., F.R.C.S. 

 The Hessian Fly in South Devon. Fred. V. Theobald, M A. F.E.S. 

 Evolution of Sense Organs. Hy. Langdale, M.D. 

 Some Curious Aquatic Larva?. Geo. Swainson, F.L.S. 

 Geology and Scenery of Killarney. Chas. White, Esq. 

 Sexual Distinction of Insects. C. W. Dale, F.E.S. 

 An Entomological Trip to the Canary Islands. Morel-Deville. 

 Extracts from <; Sylva Sylvarum." A. E. Hall. 

 Sugaring Notes. 



Recent Investigations in the Currant Bud Mite — Phylophus Ribis. A.NEWSTEAD, F.E.^j 



Habits of Larva and Parasites on Orthosia Upsilon. J. Collins. 



The Band-Variation of Helix nemoralis, and H. hortensis in the British Islands 

 T. D. A. COCKERELL, F.Z.S. 



Lepidoptera in the neighbourhood of York. W. Hewitt. 



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ist fur ,,Entoinologen" und „Saminler" das hervorragendste Blatt, welches wjj 

 der belehrenden Artikel sowie seiner internationalen und grossen Verbjeitung be 

 Ankauf, Verkauf und Umtausch aller Objekte die weitgehendsten Erwartungen eiil 

 wie einProbeabonnement lehrendiirfte. Zubeziehendurch diePost(ZeitungslisteNo.'LS.' 

 und die Verlags-Buchhandlung Frankenstein & "Wagner, Leipzig, Augustuspliz 

 Abonnement bei Zusendung unter Kreuzband in Deutschland u. Oesterreich 1 Mk., s#c 

 wdoren Landern des Weltpostvereins 1 Mk. 20 Pfg. = 1 Shilling 2 Pence = 1 Fr. 50 aa 



