XU CONTENTS. 



Page 

 Rev. T. HiNCKS on the Development of the Hydroid Polyps, Clavatella and 

 Stauridia, with Remarks on the Relation between the Polyp and its Medu- 

 soid, and between the Polyp and the Medusa 145 



on the Ovicells of the Polyzoa, with reference to the views of 



Professor Huxley 145 



Rev. A. R. HoGAN on Daphnia Schcefferi 146 



Mr. J. GwYN Jeffreys on an Abnormal Form of Cyathina Smithii 146 



Dr. Jessen on the Absorbing Power of the Roots of Plants 147 



Mr. Maxwell T. Masters on the Relation between Pinnate and Palmate 

 Leaves 148 



Mr. J. M. Mitchell on the Migration of the Herring 149 



Rev. Alfred Merle Norman on the Crustacea, Echinodermata, and Zoo- 

 phytes obtained in Deep-sea Dredging off the Shetland Isles in 1861 151 



Professor Owen on the Cervical and Lumbar Vertebrae of the Mole {Talpa 

 Europcea, L.) 152 



• on some Objects of Natural History from the Collection of 



M. DuChaillu 155 



Statistics of the Herring Fishing. (Communicated by Mr. C. W. Peach) 156 



Dr. P. L. Sclater's Remarks on the late Increase of our Knowledge of the 

 Struthious Birds 158 



Mr. H. T. Stainton on a New Mining Larva, recently discovered 159 



Mr. A. Stansfield on Varieties of Blechnum Spicant collected in I860 and 

 1861 159 



Professor Wyville Thomson's Observations on the Development of Synapta 

 inhmrens 162 



Mr. Tuffen West on some Points of Interest in the Structure and Habits of 

 Spiders 162 



Physiology. 



Professor Lionel S. Beale on the Structure and Growth of the Elementary 

 Parts (Cells) of Living Beings 164 



Dr. John Cleland on a Method of Craniometry, with Observations on the 

 Varieties of Form of the Human Skull 164 



Dr. John Davy on the Action of Lime on Animal and Vegetable Substances .. 165 



on the Blood of the Common Earthworm 165 



on the Question whether the Hair is subject or not to a sud- 

 den Change of Colour 166 



Mr. R. Garner's Observations on the Encephalon of Mammalia 166 



Mr. Albany Hancock on certain points in the Anatomy and Physiology of 

 the Dibranchiate Cephalopoda 166 



Professor Hyrtl on Nerves without End 16/ 



— on the Pneumatic Processes of the Occipital Bone 167 



on Portions of Lungs without Blood-vessels 167 



Dr. Charles Kidd on Chloroform Accidents, and some new Physiological 

 Facts as to their Explanation and Removal 167 



Dr. J. D. Morell on the Physical and Physiological Processes involved in 

 Sensation ]68 



Dr. Mouatt on Prison Dietary in India 170 



