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ADVERTISEMENTS. ttt 

MACMILLAN & CO.’S 
NEW SCIENTIFIC BOOKS. 
Now Ready, Limited Edition in Two Volumes. 
THE tage een INSECTS OF NORTH AMERI “ig With Nores on SOME European SPECIES 
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a CONTENTS. —Vol. I. The Pretertiary Insects (with 35 plates). Vol. II. The Tertiary Insects (with 28 
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7. wrt the Paleozoic and Mesozoic cockro aches a considerable number of (European eau. But, 
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classification, distribution, and geological SS in he diffe tg s. The term insects ‘has been used in 
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F 
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TAMMALS. —Liv and Extinct. By Wituram Henry Fowter, C.B., F.R.S., D.C.L., Direc 
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TE. —Subject of Psychology—Mind and Body—The Conscious and the Unconscious 
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