GEOLOGY AND PALEONTOLOGY OF THE CANAL ZONE. 509 



Plate 76. 



Figs. 1, la. Stylophora portobellensis, new species, two views of the type. Page. 



1. Corallum, natural size 338 



la. Calices, X 3 338 



2, 2a. Stylophora canalis, new species, two views of the type. 



2. Corallum, natural size 341 



2a. Calices, X 8 341 



3, 3a, 36. Pocillopora arnoldi, new species, three views of the type. 



3. 3a. Branch, natural size 343 



36. Calices, X 8 343 



4, 4a. Astrocoenia portoricensis , new species, two views of the type. 



4. Corallum, natural size 350 



4a. Calices, X 5....'. 350 



Plate 77. 



Figs. 1, la. Pocillopora baracoaensis, new species. 



1. Branch, natural size 344 



la. Calices, X 5 344 



2, 2a. Pocillopora guantanamensis, new species. 



2. Corallum, natural size 344 



2a. Calices, X 5 344 



3, 3a, 36. Thysanus hayesi, new species. 



3. Calicular surface, X 2 424 



3a. Base, X 2 _. . . 424 



36. Side, X 2 424 



Plate 78. 



Figs. 1, la. Astrocoenia portoricensis, new species, two views of form with 

 subterete branches. 



1. Branch, natural size 351 



la. Calices, X 5 351 



2, 2a. Astrocoenia d'achiardii Duncan. 



2. Branch, natural size 346 



2a. Calices, X 5 346 



3, 3a, 4, 4a. Astrocoenia decaturensis, new species. 



3. View, natural size, of the corallum; 3a, calices, X 5, of the type from 



near Bainbridge, Ga 348 



4. View, natural size, of the corallum; 4a, calices, X 5, of a specimen 



from Antigua 348 



Plate 79. 



Figs. 1, la, 2. Astrocoenia guantanamensis, new species. 



1. Corallum, natural size; la, calices, X 5, of type, from Guantanamo, 



Cuba 347 



2. Specimen from Tonosi, Panama; calices, X 5 347 



3, 3a. Astrocoenia meinzeri, new species. 



3. Corallum, natural size 349 



3a. Calices, X 5 349 



4, 4a, 46. Dichocoenia tuberosa Duncau. 



4. Corallum, natural size 360 



4a. Costae, X 4 360 



46. Calices, X 3 360 



