Vlll 



LIST OF THE PLATES. 



PLATE XV. 



Fig. 1-9. Lepeophtheirus pecto- 

 ralis 



PLATE XVL 



Fig. 1-3. Lepeophtheirus pecto- 



ralis 

 4-11. L. nordmanni 



PLATE XVII. 



Fig. 1. Caligus diaphanus 

 2. Lepeophtheirus hippo- 



ylossi 



3. L. thompsoni 



,, 4. L. salmonis 



5, 6. L. pollachii 



PLATE XVIII. 



Fig. 1-3. Caligus centrodonti 

 4, 5. C. labracis 

 6, 7. C. diaphanus 

 ,, 8-10. Lepeophtheirus hippo- 



glossi 



., 11, 12. L. salmonis 

 13-15. L. pollachii 

 16-19. L. sturionis 



PLATE XIX. 



Fig. 1-9. Lutkenia asterodermi 

 10. Elytrophora brachy- 



ptera 

 ,, 11-18. Phyllothreus cornutus 



PLATE XX. 



Fig. 1-8. Nogaus ambiguus 

 9. Chondracanthus annu- 



latus 

 10. C. merluccii 



PLATE XXI. 



Fig. 1. Lepeophtheirus sturi- 

 onis 



2. Pandarus bicolor 



3, 4. Cecrops latreillii 

 5. Orthagoriscicola muri- 



cata 



PLATE XXII. 



Fig. 1, 2. Trebius caudatus 

 3. Dinemoura producta 



,, 4. Echthrogaleus coleop- 



tratus 

 ,, 5, 6. Pandarus bicolor 



PLATE XXIII. 



Fig. 1, 2. Elytrophora brachy- 



ptera 



3. Phyllothreus cornutus 



4. Lutkenia asterodermi 



5, 6. Anthosoma crassum 



PLATE XXIV. 



Fig. 1,2. Caligus curtus 

 tt X^. Philorthragoriscus ser- 

 ratus 



PLATE XXV. 



Fig. 1-6. Thersitina gasterostei 

 7-9. Caligus curtus 

 10. Lepeophtheirus thomp- 



soni 

 11-16. Caligus minimus 



PLATE XXVI. 



Fig. 1-3. Dinemoura producta 

 4-19. Pandarus bicolor 



PLATE XXVIf. 



Fig. 1-8. Dinemoura producta 

 9, 10. Cecrops latreillii 

 ,, 11-24. Philorthragoriscus ser- 

 ratus 



PLATE XXVIII. 



Fig. 1-7. Cecrops latreillii 

 8-18. Orthagoriscicola muri- 

 cata 



PLATE XXIX. 



Fig. 1. Echthrogaleus liitkeni 

 2-5. Lernanthropus kroyeri 



