CONTENTS. XI 



Page 



Mr. w. Stewart's Notes on the Structure of the Eckinoidva regulariu, with 

 Special Reference to their Classification 79 



Mr. W. Tennant on the Traces of an Irish Lake Dwelling, found by Captain 

 L'Estrange, in the County of Cavan 79 



Professor AV. Tuiineb on a Remarkable Mode of Gestation in an undescribed 

 Species of Arms 79 



Mr. A. R. Wallace on Reversed Sexual Characters in a Butterfly, and their 

 Interpretation on the Theory of Modifications and Adaptive Mimicry 79 



Mr. N. B. Ward on the Poor Man's Garden 79 



Mr. Henry W^oodwahd on some points in the Structure of Limulus, Recent 



and Fossil 79 



Dr. E. Perceval AVright's Notes on Lithosia caniola 80 



— ■ — Botanical Notes of a Tour in the Islands of Arran, 



West of Ireland 80 



Physiology. 



Address by Professor Humphry, F.R.S 81 



Col. Sir J. E. Alexander on the Effects of the Pollution of Rivers 89 



Dr. Cobbold's Remarks on the so-called Cattle-Plague Entozoa 89 



Dr. J. Davy on the Colour of Man 89 



on the Question, Is the Carbonate of Lime in the Egg-shell of 



Birds in a Crystalline or Amorphous state 89 



Dr. Balthazar W. Foster's Note on an Addition to the Sphygmograph . . 91 



on a Peculiar Change of Colour in a Mulatto 91 



Dr. A. Gamgee on the Action of Carbonic Oxide in the Blood 91 



Drs. J. H. Gilbert and J. B. Lawes on the Som-ces of the Fat of the Animal 



Body 92 



Dr. W. H. Ransom on the Conditions of the Protoplasmic Movements in the 



Egg of Osseous Fishes 92 



Dr. Richardson on the Comparative Vitality of the Jewish and Christian 



Races 92 



's Physiological Demonstrations of Local Insensibility .... 92 



Mr. W. L. Scott on the Presence of Ammonia and its Ilomologues in the 



Blood 92 



on the Normal Existence of Quinine as an Animal Prin- 

 ciple 92 



Dr. William Sharp on the Physiological Action of Medicines 92 



Dr. SiBSON on the Movements, Structure, and Sounds of the Heart 93 



Anthropology. 



Address by A. R. Wallace, F.R.G.S., &c 93 



Mr. J. Anderson's Recent Explorations in Chambered Cairns in Caithness . . 94 



Dr. J. Beddoe on the Stature and Bulk of the Irish, and on Degeneration of 



Race 04 



Vice- Admiral Sir Edward Belcher on Stone Implements of Esquimaux . . 94 



