ERRATA. 



Page 3, for Plate 1, read Plate 2. 



Page 16, line 8, for squamosa, read squamosus. 



Page 20, for Candidas, read Candida ; and for Plate 3, read 



Plate 2. 

 Page 25, for Plates 4 and 5, read Plates 3 and 5 ; and /'or 



gaedaropus, read gaederopus. 

 Page 27, for epiphippium read ephippium. 

 Page 35, line 12, dele not. 

 Page 30, line 14, read Plate 2. 



Page 42, read Brnguieres ; and for Pollicepes, read Pollicipes. 

 Page 64, line 3, read Parmophorus — line 6, read Plate 3. 

 Page 68. line 5 from bottom, read Carocolla. 

 Page 7*>> line 6, for Valvata read Voluta. 

 Page 90, line 4, read anglicanum. 



