CONTENTS. 



PRESIDENTIAL ADDRESS. 



Animal Symmetry and the Differentiation of Species. By the 

 President, Professor Sydney J. Hickson, M.A., 

 D.Sc, F.R.S pp. i — 15 



( Issued separately, February 12th, iqi6.) 



MEMOIRS. 



I. The Relationship between the Geographical Distribution 

 of Megalithic Monuments and Ancient Mines. By W. J. 

 Perry, BW. And Remarks on Mr. W. J. Perry's 

 Communication. By Professor G. Elliot Smith, 



M.A., M.D., F.R.S. With 3 Maps pp. 1-36 



{Issued separately . Novc»rf>er 2j.tlt. iQij.) 



II. Notes on some Pakeozoic Fishes. By D. M. S. Watson, 



M.Sc, and Henry Day, M.Sc. With 3 Pis. and g 



Text-figs. ... ... .. ... ... .. pp. 1 — 52 



(Issued separately, February 7th, iqi6.) 



III. A Change in the Habits of the Black-headed Gull. By 



T. A. Coward, F.Z.S., F.E.S pp. i— 6 



(Issued separately, Ja>iuary ijtli, iq/6.) 



IV. The Money Cowry (Cypraa moneta, L.) as a Sacred 

 Object among North American Indians. By J. Wilfrid 

 Jackson, F.G.S pp. i — 10 



(Issued sepai-ately, May ijtli, rqi6.) 



V. The Aztec Moon-cult and its relation to the Chank-cult of 

 ♦ India. By J. Wilfrid Jackson, F.G.S. ... pp. 1—5 



(Issued se/aratily. May /jtli, IQ16.) 



VI. The Geographical Distribution of Terraced Cultivation 



and Irrigation. By W. J. Pf.rry, B.A. With 1 Map. pp. 1—25 

 (Issued separately, April /jtli, iq/6.) 



VII. The Geographical Distribution of the Shell-Purple 

 Industry. By J. Wilfrid Jackson, F.G.S. With 1 

 Map. ... ... ... ... ... ... ... pp. 1 — 29. 



(Issued separately, May 22nd, iqib.) 



