PLATE 35 (bis). 
2. 518. 2. Catenipora agglomerata. ( Pag. 129.) 
2 a. A weathered surface of a mass of this species, showing some irregularities in the arrangement of the 
series of cells. 
2 6. A transverse section of an upper weathered surface, showing the form of the openings, and the arrange¬ 
ment in parallel lines with slight interruptions. 
2 c. A vertical section, showing the transverse septa within the tubes. 
2d, d. A vertical section magnified, showing the concave septa and the cellular interspaces between the 
tubes. 
2 e. The external surface of several tubes enlarged, showing an obscurely striated surface. 
2 /. A fragment showing the lower or convex surface of the septa. 
2 /f. Profile of the same enlarged. 
2 g. The openings of several tubes enlarged, contrasting with similar figures from the varieties of the pre¬ 
ceding species. 
