6 PREFACE 



access to sea-shore and country-side, may reasonably ex- 

 pect to meet with in a twelvemonth's round of research. 

 The pictorial illustrations are almost coextensive with 

 the descriptions; they are one hundred and thirteen in 

 number; all, with the exception of eighteen, productions 

 of the author's own pencil, the great majority having been 

 drawn on the wood direct from the Microscope, at the 

 same time as the respective descriptions were written. He 

 ventures to hope that they will be found accurate delinea- 

 tions of the objects represented. 1 



TORQUAY, February, 1859. 



1 The subjects on pp. 58, 63, 118, 119 (the lower figure), and 178 have been 

 copied, under the courteous permission of the publisher, from Dr. Carpenter's 

 valuable work, "The Microscope, and its Revelations" (Churchill, London). 



