PROCEEDINGS OF 

 THE ROYAL SOCIETY. 



vol. xlii. No. 253. 



CONTENTS. 



March 3, 1887. 



PAGE 



List of Candidates 145 



I. Preliminary Note on a Balanoglossus Larva from the Bahamas. By 



W. F. E. Weldon, M.A., Fellow of St. John's College, Cambridge . 146 



II. Studies of some New Micro-organisms obtained from Air. By G. C. 

 Feankland, and Peecy F. Feankland, Ph.D., B.Sc. (Lond.), F.C.S., 

 F.LC . . . . . . 150 



III. On the Limiting Distance of Speech by Telephone. By William Heney 



Peeece, F.E.S * . . .152 



IT. The Etiology of Scarlet Fever. By E. Klein, M.D., F.E.S., Lecturer on 

 General Anatomy and Physiology at the Medical School of St. 

 Bartholomew's Hospital, London 158 



List of Presents 161 



March 10, 1887. 



I. Note on Induction Coils or " Transformers." By John Hopkinson, 



M.A., D.Sc, F.E.S. . . 164 



II. Note on the Theory of the Alternate Current Dynamo. By John 



Hopkinson, M.A., D.Sc, F.E.S 167 



Price Four Shillings and Sixpence. 



