GEOLOGY AND PALEONTOLOGY OP THE CANAL ZONE. 521 



Plate 136. 



Diploastrea crassolamellata (Duncan) Vaughan. 



Three views of the same specimen. 



Page. 



Fig. 1. Side view of corallum, natural size 475 



la. Costae of side, X 2 4fbl - 



lb. Calices, natural size 47 ^ 



Plate 137. 



Diploastrea crassolamellata (Duncan) Vaughan. 



Fig. 1. Specimen with excavated calices, natural size 475 



2. Specimen with protuberant divergent corallites, natural size 475 



3. Specimen with low corallites, X 2. Note the reticulate intercorallite 



area 475 



4. 4a. Calices of the same specimen, X 2. 



4. With some intercorallite reticulation 475 



4a. Mostly without any intercorallite reticulation 475 



5. Calices, natural size, of a specimen from the base of the Chattahoochee 



formation near Bainbridge, Georgia. All other specimens illus- 

 trated on this plate are from Antigua 475 



Plate 138. 



Figs. 1, 2, 2a. Diploastrea crassolamellata var. magnifica (Duncan) Vaughan. 



1. Corallites, natural size, of a specimen from Antigua 477 



2. Corallites, natural size; 2a, a smaller area, X 2, of a specimen from 



the base of the Chattahoochee formation near Bainbridge, Georgia. 477 

 3, 3a. Diploastrea crassolamellata var. nugenti (Duncan) Vaughan. Two 

 views of the same specimen. 



3. Corallum, natural size 478 



3a. Calices, X 2 478 



Plate 139. 



Figs. 1, la, 16, 2, 2a. Balanophyllia pittieri, new species. 



1. Corallum, naturalsize; la, costae, X4;16,calice, X 3, of theholotype. 479 



2. Corallum, natural size; 2a, calice, X 3, of a paratype 479 



3, 3a. Astreopora antiguensis , new species. Two views of the type. 



Enlarged calices of paratype on plate 140, figure 1. 



3. Corallum, one-half natural size 484 



3a. Part of cross-section of lower end, X 3 484 



Plate 140. 



Fig. 1. Astreopora antiguensis, new species. Calices of paratype, X 6. For 



other views see plate 139, figures 3, 3a 484 



2, 2a. Astreopora portoricensis , new species. Two views of the type. 



2. Corallum, natural size 485 



2a. Calices, X 6 485 



3, 4, 4a. Astreopora goethalsi, new species. 



3. Corallum of a cotype, one-half natural size 483 



4. Corallum, one-half natural size; 4a, calices, X 6, of the second cotype. 483 



