192 EOCENE AND LOWER OLIGOCENE COKAL FAUNAS. 



spirals. They are elevated about 1.75 to 2 mm.; circular or slightly ellip- 

 tical in outline, their diameter varies from 2.7 to 3.2 mm.; axis of colony 

 circular in section ; diameter of axis 7.5 mm. The calices are rather dis- 

 tant, but occasionally two corallites may almost touch at their bases. The 

 distance between the bases of corallites is usually slightly more than 1 nnn.; 

 the whole surface of the colony covered with very minutely granulated 

 vermicular costte. The costse correspond to all cycles of septa. The inter- 

 costal furrows very punctate; the wall of the axial polyp thick, dense, but 

 perforate; the septa in four cycles with the typical arrangement for Den- 

 drophyllia. They are weak, and have granular surfaces. Columella 

 spongy. 



Localities. — Lisbou, Alabama; T. A. Rumley's, Monroe County, Alabama; 

 Rayburn's well, sec. 29, T. 17 N., R. 5 W., Louisiana. 



Geologic occurrence. LlsboU bcds. 



Type. — From collection of T. H. Aldrich in the United States Natural 

 Museum. 



Since the above description was written I have received the collectit)n 

 made for the Wagner Free Institute of Science by Mr. C. W. Johnson, and 

 have found in tlie United States National Museum another specimen from 

 Claiborne, Alabama, Lisbon horizon. 



The specimen from Claiborne does not present any great difference 

 from the figured specimen (PI. XXII, fig. 20). It is a portion of a branch 

 27.5 mm. long and 7 mm. in diameter. The calices are somewhat more 

 distant than in the figured specimen, and do not rise perpendicularly from 

 the intei-corallite surface, but are somewhat inclined toward the distal end of 

 the Ijraiich. 



Specimens from San Augustine, Texas, collected by Johnson, at first 

 sight look quite diff'erent from those above described, but the difterence con- 

 sists solely in the greater size of the calices. The largest calice on the 

 larger specimen has a greater diameter of 5 mm. and a lesser of 4 mm. This 

 specimen has a length of 37 mm.; diameter of larger end, 12.5 mm., of smaller 

 end, 1 1 mm. It is somewhat elliptical in cross section. The largest calice in 

 the other specimen has a greater diameter of 4.5 mm. and a lesser of 4 mm; 

 while the smallest calice has a greater diameter of slightly less than 3 mm. 

 This specimen is a piece of a branch 22 mm. long and 9 mm. in diameter. 

 At the lower end is a small side branch about 6 mm. in diameter at its base. 



