12 



BULLETIN 106, UNI1T:1> STATES NATIONAL MUSEUM. 



Rcittcxcliai-cUina (Hsparilis Gabb and Horn, 1862. See Micropora coriacea. 

 Reticiilipora dicliotoma Gabb and Horn, 1862. See Lvkythionia dichototna. 

 Semiescham tul>ulata Gabb and Horn, 1S62. See Smittina tululata. 

 Tubulipora proltoscidea Lonsdale, 1845. Probably Mccynoecia proboscidca. 

 Tincularia (f) insolita De Gregorio, 1890. Not recognizable. 



GEOLOGIC TABLES OP MESOZOIC AND CENOZOIC FORMATIONS. 



The following tables are introduced for convenience of reference in the location" 

 of the various formational names employed in this monograph. 



Table showing relations of Early Tertiary formations of Atlantic and Gulf States. 



The above table shows the general relations of the early Tertiary formations 

 of North America, most of which have yielded bryozoan remains. The following 

 table gives a summary of the principal European and South American post Paleo- 

 zoic divisions. An index of these divisions is also introduced for the convenience 

 of the student. 



