PLATE VII. 



Fig. 1. Scalpellv/m indicum, n. sp. 



Fig. 1. Animal, lateral view; magnified 6 diameters. 



Figs. 2, 3. Balanus Icevis, Brug. 



Fig. 2. Group of animals ; magnified 1 h diameters. 



Fig. 3. One specimen, seen from the rostral side; magnified 2 diameters. 



Figs. 4, 5. Balanus amaryllis, Darwin. 



Fig. 4. Group of animals; magnified lh diameters. 



Fig. 5. One specimen, seen from above; magnified 1-J diameters. 



Figs. 6, 7. Pcecilasrna carinatum, n. sp. 



Fig. 6. Carina, interior view ; magnified 4 diameters. 



Fig. 7. Mandible of the left side; magnified 62 diameters. 



Figs. 8, 9. Megalasma striatum, n. sp. 



Fig. 8. Tergum, scutum, and carina, interior view; magnified 6 diameters. 

 Fig. 9. Maxilla; magnified 94 diameters. 



Figs. 10, 11. Alepas pedunculata, n. sp. 



Fig. 10. Labrum with the palpi (pa.); magnified 94 diameters. 

 Fig. 11. Second maxilla; magnified 94 diameters. 



Figs. 12-14. Scalpellum stroemii, Sars. 



Fig. 12. Mouth and first cirrus; magnified 41 diameters, la., labrum; md., mandible 



sm., second maxilla; c 1 , first cirrus. 

 Fig. 13. Mandible; magnified 94 diameters. 

 Fig. 14. Maxilla; magnified 94 diameters. 



