of the Fishery Board for Scotland. 



255 



Fig. 87. 

 88. 

 89. 

 90. 

 91. 

 92. 

 93. 



94. 

 95. 

 96. 

 97. 



Spout-fish (Solen siliqua), nat. size-41 x 



Mix 

 5| x 



I inch, April 30. 



Drawing of excretum of mussel 



« Drawing showing the cloud formed Stan 



-ed , B-C is the faSLJrtSTl^^^ ° f the 



