sea-fisheries laboratory. 197 



Explanation of the Plates. 



Plate I. 



Caligus zei, Norman and T. Scott. — 



Fig. 1. — Adult female seen from above. x 11. 

 2. — Antennule. 

 3. — Antenna. 

 4. — Sternal fork. 

 5. — First maxilliped. 

 6. — Second maxilliped. 

 7.— Fourth foot. 

 8. — Abdomen of male. 



Plate II. 



Fig. 1. — Lernceenicus sprattce (Sowerby), in situ. 



Natural size. 

 ,, 2. — Lernceenicus sprattce, removed from its host. 



x 2-5. 

 ,, 3. — Head and anterior portion of thorax of 



L. sprattce. x 5. 

 ,, 4. — Antennule. x 126. 

 ,, 5. — Antenna. x 80. 

 „ 6. — Lernceenicus encrasicoli (Turton), in situ. 



Natural size. 

 ,, 7. — Dissection showing position of head in the 



host. x 3. 

 ,, 8. — Head and anterior portion of thorax, from 



above. x 6. 

 ,, 9. — Head and anterior portion of thorax, from 



left side. x 6. 



