514 BULLETIN 103, UNITED STATES NATIONAL MUSEUM. 



Plate 100. 



Antiguastrea cellulosa (Duncan). 



Page. 

 Fig. 1. Photograph of thin cross-section of corallites, X6; shows the large, 



lamellar columella. Specimen from Cathedral, St. John, Antigua.. 405 



2, Photograph of thin cross-section of corallites, X6; columella not so wide 



as in figure 1 . Specimen from Cathedral, St. John, Antigua 405 



3, 3a. Two views of a specimen from station 6S56, Friar's Hill, Antigua. 



3 . Corallum, natural size 405 



3a. Calices, X6 405 



4, 4a. Two views of a specimen of the kind designated Isastrsea turbinata 



by Duncan. 



4. Corallum, natural size .' 406 



4a. Calices, X4 406 



Plate 101. 



Figs. 1, la. Antiguastrea cellulosa var. silecensis, new variety. Two views of 

 the type, from Flint River near Bainbridge, Georgia. 



1. Upper surface of the corallum, natural size 408 



la. Calices, X3 408 



2, 2a. Antiguastrea cellulosa (Duncan). Two views of the same specimen, 

 from the Byram calcareous marl, Vicksburg, Miss. 



2. Part of upper surface of the corallum, natural size 407 



2a. Calices, X4 407 



Plate 102. 



Figs. 1, la. Antiguastrea elegans (Reuss) Vaughan. Two views of a specimen 

 from Fontana della Bova di San Lorenzo, Italy, out of beds of 

 Rupelian (middle Oligocene) age. 



1 . Upper surface, natural size 409 



la. Calices, X4 409 



2. Favia macdonaldi, new species. Corallum, upper surface, natural 

 size. Enlarged view of cross-section of corallites shown on plate 

 103, fig. 1 413 



Plate 103. 



Fig. 1. Favia macdonaldi, new species. Cross-section of corallites, X2. Gen- 

 eral view of corallum, plate 102, fig. 2 413 



2, 2a. Favites mexicana, new species. Two views of the same specimen. 



2. Corallum, natural size 414 



2a. Calices, X4 414 



3. 4, 4a. Maeandra antiguensis, new species. 



3. Upper surface of a cotype, natural size 417 



4. Upper surface of the second cotype, natural size; 4a, part of surface 



of the same, X4 417 



Plate 104. 



Figs. 1, la. Maeandra dumblei, new species. Two views of the type. 



1. Upper surface, natural size 418 



la. Part of surface, X4 418 



2, 2a. Manicina willoughbiensis , new species. 



2. Lower surface, natural size, of the type. Upper surface, illustrated 



by plate 105 422 



2a. Part of lower surface of a paratype, X2 422 



