CONTENTS. 



Page 



Notes on the bleaching action of light on colouring matters. — By Alex- 

 ander Pedler, F.R.S., &c. ... ... ... 139 



No. 3. Notes on, and drawings of, the animals of various Indian Land 

 Mollusca (Pulmonifera). — By Lieut.-Colonel H. H. Godwin- 

 Austen, F.R.S., F.Z.S., &c. Plate VII ... ... 151 



Materials for a Cardiological Fauna of India. No. 4. The Bra- 

 chyura O.ryrhyncha. — By A. ALCOCK, M.B., C.M.Z.S., Super- 

 intendent of the Indian Museum. Plates III — V... ... 157 



Oh Polarisation of Electric Rays by Double Refracting Crystals. — By 



Prof. J. C. Bosb, B.A., (Cantab.) B. Sc. (Losd.) (Plate VI) 291 



Description of a Neio Species of Oxyrhynch Crab of the Genus 

 Parthenope. — By A. Alcock, M.B., C.M.Z.S., Superintendent of 

 the Indian Muse" ... ... ... ... 296 



, 



