PLATE XLVI 



Unless otherwise specified all the specimens illustrated on this plate are 

 from the Vincentown limesand of New Jersey. 



PAGE 

 Figs. 1, 2. CRIBRILIXA SAGENA (Morton) ............................... 742 



1. A characteristic zoarium. X 2. 



2. Surface of a zoarium, much enlarged. (After Gabb and Horn.) 



Fig. 3. MEMBRANIPORA AXNULOIDEA Ulrich and Bassler .................. 740 



Surface of a zoarium. X 24. 



Fig. 4. MEMBRANIPORELLA ABBOTTI (Gabb and Horn) ................... 743 



Surface of zoarium, much enlarged. (After Gabb and Horn.) 



Figs. 5, 6. AMPHIBLESTRUM HETEROPORA (Gabb and Horn) .............. 740 



5. Portion of a zoarium. X 20. 



6. A single zocecium, more enlarged. 



Eocene (Aquia) Upper Marlboro, Md. (After Ulrich.) 



Fig. 7. ESCHARINELLA ? Ai/TiMURALis Ulrich and Bassler ................ 741 



A number of zocecia. X 20. 



Figs. 8, 9. MUCRONELLA ASPERA Ulrich ................................. 743 



Two views showing zocecial characters. X 20. Eocene (Aquia) Upper 

 Marlboro, Md. 



Fig. 10. STOMATOPORA KUMMELI Ulrich and Bassler ..................... 737 



View of a portion of the type specimen. X 12. 



Fig. 11. STOMATOPORA REGULARIS Gabb and Horn ....................... 736 



Portion of a zoarium. X 6. Incrusting another bryozoan. 



Fig. 12. FILIFASCIGERA MEG^ERA (Lonsdale) ....................... ..... 739 



Front and side views of part of a zoarium. X 12. 



Fig. 13. LICHE.XOPORA PAYRACEA (D'Orbigny) .......................... 739 



A complete zoarium. X 12. 



Fig. 14. BERENICEA AMERICANA (Ulrich and Bassler) ................... 737 



View of the type specimen. X 12. 



Fig. 15. CRISINA STRIATOPORA Ulrich and Bassler ....................... 738 



The type specimen. X 12. Miocene of Maryland. 



Fig. 16. HIPPOTHOA TENUICHORDA (Ulrich and Bassler) ................. 745 



Several zocecia of the type example. X 20. 



942 



