INTRODUCTION 17 



form, into which life was first breathed by the 

 Creator.' 



Through the courtesy of Thomas Smith, Esq., 

 proprietor of Great Thoughts, I am permitted to 

 use the title, Hidden Beauties of Nature, and several 

 articles contributed by me under that title in one 

 of his other magazines Mothers and Daughters. For 

 several facts concerning the North American fresh- 

 water Rhizopods, as described by the late Dr. Leidy, 

 I am indebted to his friend and co-worker, Mrs. 

 Chase, of Philadelphia, a lady known in English 

 and American scientific circles as an authority 

 upon many departments of Natural History. For 

 information respecting ocean surface forms of mi- 

 croscopic life, I am indebted "to the works of 

 Professors E. Haeckel and A. Agassiz. The Rev. 

 Thomas Robinson, of Swansea, has kindly placed at 

 my disposal his observations on the Rosy Feather 

 Star, from which I have made extracts. I have re- 

 ceived considerable help, as regards the illustra- 

 tions, from the Sciopticon Company, of Highbury 

 Quadrant ; from Mr. C. W. Locke, the well-known 

 optical lantern and slide maker, and from Mr. 

 E. Horsnaill, the marine biologist, of Dover. 



In making these acknowledgments, it is my 

 duty to state that I owe a great deal to the 



B 



