OF SOUTHERN INDIA. 
25 
II. Order. CYCLOSTOMATA. (Sec ante p. 4). 
In addition to the few species to he described in more detail, I may notice that 
fragments of a Truncaiula (fam. FascjporidjeJ , of a Crisinu, and an Iclomonea (fam. 
Idomoneijd^eJ have occurred, the former resembling C. lichenoides, (Goldf.), and the 
latter I. communis, d’Orb., but those fragments arc not sufficient for an ap- 
proachingly correct specific determination; they are all from the sandy beds at 
Yermanoor. 
4. FamiUj, — CEUIOPORIDFE. 
{Cavidje,* d^Orbigny; in part). 
Cells tubular, equal, more or less elongated, terminating on every jyortion of a 
freely exposed surface, with closely set, rounded or sub-polygonal, generally slightly 
immersed, but never tubularly raised, orifices. The colonies are of very different 
shape, incrusting, globular, or ramose, and the cells are continuous in length, or they 
rest in distinct layers one over the other. 
The principal character lies in the equal size of the orifices of the cells, which are 
placed close to each other ; this is common to all the species belonging to the family, 
while the form and structure of the colonies can be used for the definition of genera. 
Of those which d’ Or hi guy referred to the family, a few have, however, to be ex- 
cluded, namely, the species which he designates as Sulcicava, Rcticava, Letericava, 
&c., and which unquestionably belong to the Idomoxeidje. As regards the relation 
of the Ceiiiueoridje to the Ceidje, I am unable to form an exact opinion, because 
I am not acquainted Avith any of the species of the latter family, but it seems to 
me that the two are entirely distinct, and that the Ceidab should be classed next to 
the IIyriozoieje and Eleieee, as a family intermediate in some respects l)etwecn the 
CHEILOSTOMATA and the CYCL0ST03IATA. Only a single Ccrioporid genus, 
with a solitary species, has as yet been found represented in the South Indian 
cretaceous deposits. 
XII. Genus. — CERIOPOE/A, Goldfuss, 1826. 
Colonies attaehed to foreign substances by the base of subglobular or shortly 
ramose stems with subcylindrical branches ; cells continuous throughout the stem, 
or in imperfectly superposed layers, apparently arising from a partial irregularity 
in the growth of the length of some eells ; orifices close together, rounded, or very 
nearly so, slightly immersed and separated by a smooth siu-face. 
* I am not certain that d’Orbigny’s gemis Cam is really distinct from Ceriopora, and would, therefore, prefer 
using Busk’s name for the family. 
G 
( 59 ) 
