PLATE I. 
Figs. 
1—10. 
Caryophyllia Arcotensis, Stol., p. 7 ; 1 to 6 and 10^ side views of different 
specimens ; 6a, \dew of the calyx, twice the natural size ; 7 and 8, longitudinal 
sections ; 9a, small sj^ecimen with the calyx weathered out, tudee the natiu-al 
size; 10a, view of a section, twice the natural size; the black lines mark 
the septa ; E, of Andoor, Arrialoor group. 
Figs. 
11—12. 
Turbinolia Arcotensis, Forbes, p. 8 ; copies of Forbes’ original figures. 
Figs. 
13—15. 
Caryopiiy'LLIA cuPEEiFORMis, p. 8 ; 13, side view; 13a, section, twice the 
natural size; 14, ll^a, side and top views, twice the natural size; 15 and 
1 5a, same \-iews of another specimen, natimal size; in 13a and 15a the black 
lines mark the septa and pali ; Moravialoor, Ooiatoor group. 
Figs. 
16—17. 
Caryophyleia GR.^.xrLiFERA, Stol., p. 9; 16, natural size; 16a and 16^, enlarged 
twice the natural size; in 16^ the black lines mark the septa; 17 and 17a, two 
Ynews of a cast specimen ; Odium and Kauray, Ooiatoor group. 
Fig. 
... 18. 
Caryophyleia gracilis, Stol., p. 10; 18 and 18a, two views in natural size; 18^ 
and 18c, tmcc the natural size; Ootat>or, Ooiatoor group. 
Fig. 
... 19. 
TROCHOCYATiirs AFFiNis, Stol., p. 11 ; 19 and 19a, two idews in natural size; 19c 
and 19(7, same views twice the natural size; 195, a section; 11 est of Kurrihiem, 
Trichinogwly group. 
Fig. 
... 20. 
Platycy'athl's ixdicl's, Stol., p. 12 ; 20, 20a, 205, 20c, side-, lower, sectional, 
and top idews in natural size ; 20(7, a portion of the calyx enlarged; Odium, 
Ooiatoor group. 
Fig. 
... 21. 
Trociiosiiieia brevicula, Stol., p. 13; 21, side Ydew ; 21(1, a section from very 
close to the calyx; the black lines indicate the septa ; 215, a small portion of 
the outer surface enlarged ; Parally, Ooiatoor group. 
Fig. 
... 22. 
Trockosmilia c.YiiURA, 57o7., p. 14; same views as of the last species ; Parally, 
Ooiatoor group. 
Fig. 
... 23. 
Trocuosiiieia ? CAJiURA, p. 14 ; side, upper, lower and sectional views ; the septa 
are marked with black lines ; Moraviatoor , Ootatmr group. 
Figs. 
24—28. 
Trociiosmilia TUBA, Fromeutel, p. 16; specimens of different shajie and size, all 
from Parally, Ooiatoor group. 
