PLATE XXIV 
Fig. 1—3. Balanus proripiens n. sp. 
Outer maxillae, with left-hand lobes; magnified 64 diameters. 
Third cirrus, longer ramus, last segments; magnified 144 diameters. 
Fourth cirrus, segments II—IV; magnified 206,5 diameters. 
Fig. 4—10. Balanus pentacrini n. sp. 
Bice 
Big 2: 
i oem se 
Fig. 4. 
Fig. 35. 
ict O: 
Rigs) 6% 
Bis, 7: 
Irie 13h 
Fig. 9. 
Big. LO: 
Fig. 11—16. 
Bigs srr. 
Fig. 12. 
Bis: 
Bion srAe 
Bios 5: 
Fig. 16. 
Fig. 17—19. 
Figs 17: 
Teikeay 1s 
BIS sO: 
Shell, lateral view; magnified 10 diameters. 
@ and 6, 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 64 diameters. 
Labrum of other specimen; magnified 144 diameters. 
Mandible; magnified 64 diameters. 
Maxilla; magnified 64 diameters. 
Outer maxillae; magnified 64 diameters. 
Sixth cirrus, 11th segment; magnified 64 diameters. 
Acasta conica n. sp. 
Shell, lateral view; magnified 10 diameters. 
a and 4, scutum and tergum, internal view; magnified 10 diameters. 
c and d, scutum and tergum, external view; magnified 10 diameters. 
Mandible; magnified 144 diameters. 
Outer maxillae; magnified 44.5 diameters. 
Third cirrus, lower segments; magnified 206,5 diameters. 
Fourth cirrus, pedicel and lower segments; magnified 144 diameters. 
Acasta nitida n. sp. 
Shell, larger specimen, lateral view; magnified 4 diameters. 
Shell, smaller specimen, front view; magnified 10 diameters. 
Mandible; magnified 44.5 diameters. 
