518 BULLETIN 103, UNITED STATES NATIONAL MUSEUM. 



Plate 122. 



Siderastrea siderea (Ellis Solander). 



Page. 

 Fig. 1. Oalices, X 6, of a specimen from Tortugas, Florida, water 8 to 9 



fathoms deep 444 



2, 2a, 26. Three views of a specimen, apparently referable to this species 



from zone H, Rio Gurabo, Santo Domingo. 



2. Corallum, natural size 445 



2a, 21. Calices, X 6 445 



3, 3a. Two views of a specimen from the Bowden marl, Jamaica. 



3. Corallum, natural size 444 



3a. Calices, X 6 444 



Plate 123. 



Cyathomorpha rochettina (Michelin) Reis. 



Six views of the same specimen, from Crosara, Italy. 



Fig. 1. Side view, natural size 456 



la. Calicular view, natural size 456 



16. Basal view, natural size 456 



lc. Coarse costae, X 2 456 



la*. Costae at calicular edge, X 4. Shows perforations near the calicular 



margin 456 



lc. Calice, X 4. Shows some synapticulae and that the higher cycles of 



septa are perforate 456 



Plate 124. 



Cyathomorpha hilli, new species. 



Two views of the type. 



Fig. 1. Upper surface, natural size 457 



la. Lower surface, natural size 457 



Plate 125. 

 Cyathomorpha hilli, new species. 



Figs. 1, la, 16, lc, Id. Five views of a paratype. 



1 . Upper surface, natural size 457 



la. Side view, natural size 457 



16. Costae, X 2 457 



lc. Calice, X 2 457 



Id. Another calice, X 2 , 457 



2, 2a. Two views of a second paratype 



2. Side view, natural size 457 



2a. Upper surface, natural size 457 



Plate 126. 



Cyathomorpha browni, new species. 



Three views of the type. 



Fig. 1. Upper surface, natural size 458 



la. Lower surface, natural size 458 



16 . Calices and costae, X 2 458 



