PLATE XV 
Fig. 1—8. Balanus alatus n. sp. 
Fig. 
Fig. 
I. 
3 
4. 
Alice 
5- 
6 
7 
8. 
Animal, lateral view; magnified 10,5 diameters. 
a and 6, tergum and scutum, united, external view; magnified 13 diameters. 
c, tergum and d, scutum, internal view; magnified 13 diameters. 
Transverse section of carina; magnified 44,5 diameters. 
Labrum, with right-hand palpus, external view; magnified 42 diameters. 
Left-hand palpus, external view; magnified 144 diameters. 
Mandible; magnified 144 diameters. 
and 6°, Right- and left-hand maxilla; magnified 144 diameters. 
Fifth segment of longer ramus of third cirrus; magnified 206,5 diameters. 
Middle segment of sixth cirrus; magnified 206,5 diameters. 
Fig. 9—16. Balanus minutus n. sp. 
Ife, (0). 
Fig. 10. 
Bigs 11. 
Bigs. 
Fig. 13. 
Pig iA. 
Bigeenise 
leitex, i. 
Fig. 17—21 
Bigwer7- 
Fig. 18. 
Bigs 10: 
Fig. 20. 
Fig. 21 
Animal, lateral view; magnified 7 diameters. 
a. scutum internal view; magnified 14,5 diameters. 
6. scutum external view; magnified 14,5 diameters. 
c. tergum external view; magnified 14,5 diameters. 
Labrum with right-hand palpus, external view; magnified 64 diameters. 
Mandible; magnified 64 diameters. 
Maxilla; magnified 206,5 diameters. 
Outer maxillae, outer lobe; magnified 64 diameters. 
Third cirrus, fourth segment; magnified 206,5 diameters. 
Sixth cirrus, middle segment; magnified 64 diameters. 
21. Balanus amaryllis Darw. 
a, scutum, 4, tergum, internal view; magnified 5 diameters. 
c, scutum, d, tergum, external view; magnified § diameters. 
Labrum, with right-hand palpus, external view; magnified 30 diameters. 
Mandible; magnified 30 diameters. 
Maxilla; magnified 30 diameters. 
First cirrus; magnified 14 centimeters. 
