PLATE XIX 



Fig. i — j. Balanus auricoma n. sp. 



Fig. I. a, scutum, //, tergum, internal view; magnified 44,5 diameters. 

 Labrum ; magnified 64 diameters. 

 Mandible; magnified 64 diameters. 

 Maxilla; magnified 64 diameters. 



Edge of maxilla with spines; magnified 206,5 diameters. 

 Outer maxillae ; magnified 64 diameters. 



Sixth cirrus, one of the middle segments; magnified 206,5 diameters. 

 Small specimen, from Station 260 ; magnified 8,5 diameters. 



Fig. 8—16. Balanus clliatus n. sp. 



Fig. 8. Group of specimens; magnified 6 diameters. 



a and b, scutum and tergum, internal view; magnified 10 diameters. 



c and d, scutum and tergum, external view; magnified 10 diameters. 



Labrum, with left-hand palpus; magnified 44,5 diameters. 



Mandible; magnified 45,5 diameters. 



Maxilla; magnified 44,5 diameters. 



Edge of maxilla, with spines; magnified 144 diameters. 



Outer maxillae; magnified 44,5 diameters. 



Third cirrus, longer ramus, 5 th segment; magnified 144 diameters. 



Fourth cirrus, 5 th segment; magnified 144 diameters. 



Sixth cirrus, 12* segment; magnified 144 diameters. 



Fig. 17. Balanus compressus n. sp. 



Fig. 17. Specimen attached to the tube of an Annelid ; magnified 4 diameters. 



