Plate 1. 
Fig. 1 . Floridina pyripora Canu and Bassler, 1919. (p. 56.) 
Surface of the incrusting zoarium, X 20, showing the large poorly defined opesiules, the pyriform 
opesium and the smooth salient endozooecial ovicell. 
Oligocene (Antigua formation): Rifle Butts, Antigua, Leeward Islands. 
Fig. 2. Callopora dumerilii Savigny-Audouin, 1826. (See also pi. 2, fig. 23; pi. 12, fig. 12.) (p. 40.) 
Portion of the specimen, X 20, separated by Canu and Bassler in 1919 as var. lata. 
Oligocene (Anguilla formation): Southwest side Crocus Bay Bluff, Anguilla, Leeward Islands. 
Fig. 3. Ogivalina mutabilis Canu and Bassler, 1919. (p. 37.) 
The incrusting type specimen, X 20, illustrating the large, irregular opesia, small endozooecial 
ovicell, the small gymnocyst and the supposed avicularium. 
Oligocene (Emperador limestone): Near Empire, Panama Canal Zone. 
Fig. 4. Calpensia impressa Moll, 1803. (p. 83.) 
Surface of the incrusting zoarium, X 20, referred to this species. 
Oligocene (Antigua formation): Carlisle marl pit, Antigua, Leeward Islands. 
Fig. 5. Floridina fusifera Canu and Bassler, 1919. (p. 56.) 
The incrusting type specimen, X 20, exhibiting the small opesium, large, rounded opesiules, 
prominent polypidian convexity, large onychocellarium and small fusiform avicularia. 
Oligocene (Antigua formation): Rifle Butts, Antigua, Leeward Islands. 
Fig. 6. Conopeum lacroixii Busk, 1852. (p. 26.) 
Portion of the incrusting zoarium, X 20, showing the characteristic interopesial cavities and small 
tuberosities on the mural rim. 
Miocene (Bowden marl): Bowden, Jamaica. 
Figs. 7-9. Cupuladria canariensis Busk, 1859. (p. 28.) 
7. Two of the small, free, conical zoaria, natural size. 
8. The cellulliferous, convex surface, X 20, illustrating the membraniporoid opesium and the 
vibracula. 
9. Concave, basal surface, X 20, showing the characteristic polygonal areas marked by pores. 
Miocene (Gatun formation): Banana River, Costa Rica. 
Fig. 10. Puellina radiata carolinensis Gabb and Horn, 1862. (p. 90.) 
Gabb and Horn’s illustration of this variety. 
Eocene (Jacksonian) of South Carolina. 
Fig. 11. Bippoporina lata Smitt, 1872. (p. 131.) 
View of several zooecia, much enlarged (after Smitt). 
Recent : Gulf of Mexico. 
Fig. 12. Porella bella Busk, 1860. (p. 147.) 
Smitt’s illustration of Escharella landsborovi. 
Recent: Gulf of Mexico. 
Figs. 13-17. Cupularia haidingeri Reuss, 1847. (p. 77.) 
13. The small discoidal zoaria, natural size. 
14. The inner side, X 20, showing the tuberose, bifurcating ribs. 
15. 16. Portions of the celluliferous side, X 25, illustrating the two symmetrical condyles and 
the denticular processes. 
17. A zooecium, X 50, showing the structure of the spinose processes which are flat, claviform, 
and finely denticulated. 
Redonnian: Pigeon Blanc, France. 
Fig. 18. Cupularia doma D’Orbigny, 1852. (See also pi. 15, figs. 1-5.) (p. 77.) 
Zooecia, X 25, showing the two symmetrical spinules forming condyles and three irregular 
ununited spinules. 
Mediterranean: Oran, Algeria. 
Figs. 19-22. Cupularia reussiana Manzoni, 1869. (p. 78.) 
19. Several, small cupuliform zoaria, natural size. 
20. Zooecia, X 25, showing the trifoliate opesium and that the condyles are not united to the 
spinules. 
21. Inner side, X 20, illustrating the large tuberosities. 
22. View of zooecia, X 25, in which some of the spinules are not united together. 
Sicilian: Farnesina, Italy. 
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