GEOLOGY AND PALEONTOLOGY OF THE CANAL ZONE. 513 



Plate 95. 



Orbicella tampaensis, new species. 



Pago. 



Fig. 1. Corallum, natural size, of the type 390 



2, 2a. Two views of the same paratype. 



2. Corallum, natural size 390 



2a. Calices and cost*, X2 390 



3, 3a. Two views of another paratype, Wagner Free Institute of Science. 



3. Corallum, natural size 390 



3a. Calices and costee, X2 390 



Plate 96. 

 Orbicella tampaensis var. silecensis, new variety. 

 General view of the type, natural size, Wagner Free Institute of Science. 390 



Plate 97. 



Fig. 1. Orbicella brevis (Duncan). View, natural size, of the type, Geological 



Society of London 391 



2, Orbicella intermedia (Duncan). View, natural size, of the type, Geo- 



logical Society of London 393 



3, 3a. Orbicella irradians (Milne Edwards and Haiine). Two views of the 



same specimen. 



3. Corallum, natural size 395 



3a. Calices and costae, X2 395 



4, 4a. Orbicella canalis, new species. Two views of the same specimen. 



4. Calice and costae, X4 389 



4a. Corallum, natural size 389 



Plate 98. 



Figs. 1, 2, 2a. Orbicella insignis (Duncan). 



1. Cross-section of corallitesof one of Duncan's original specimen, X2, 



Geological Society of London 393 



2. Cross-section of corallites; 2a, longitudinal section, showing endo- 



theca and exotheca of a specimen from Serro Colorado, Arube. 

 Both figures X2 393 



3, 3a. Anliguastrea cellulosa (Duncan). 



3. Corallum, natural size; 3a, calices, X2, of a typical specimen, from 



Antigua 403 



4, 4a. Antiguastrea cellulosa var. curvata (Duncan). 



4. Corallum, natural size; 4a, calices, X2, of the same specimen from 



A ntigua 408 



Plate 99. 

 Antiguastrea cellulosa (Duncan). 

 Figs. 1, la. Two views of a specimen with protuberant, separate corallite limbs, 

 from Willoughby Bay, Antigua. 



1. Corallum, natural size 403 



la. Calices, X4 403 



2, 2a. Two views of a specimen from Cathedral, St. John, Antigua. Cal- 



ices on one end excavated; on the other end shallow, tumid 

 around the margins. 



2. Corallum, natural size 404 



2a. Calice, X6 404 



3, 3a. Two views of a second specimen from Cathedral, St. John, Antigua. 



Calices shallow, distant, tumid around the margins. 



3. Corallum, natural size 405 



3a. Calices, X6 ' 405 



