SUPPLEMENTARY GONIOPOR^, 157 



irregular, and mostly stream upwards towards the surface, without any pronounced individual- 

 ising of separate trabeculse. 



The coral seems to have been of a greenish colour ; traces of it are still apparent, and the 

 preserving spirit is also so tinted. 



The calicles of this coral are interesting in the absence of regularity and clearly defined 

 radial symmetry. Tliis in itself is not so rare, but here the skeletal elements are rather coarse 

 and bold in spite of the smallness of the calicles, and further, many of the septa remain 

 quite rudimentary and do not appear to join the columellar tangle. It is this last fact which 

 is peculiar. 



A preliminary notice of this coral was given in a list of Dr. Andrews' corals from 

 Christmas Island, which was published in the Proc. Zool. Soc. London for 1903, p. 123. 



a. In spirit, witli a few bleached fragments.* Zool. Dcpt. 99. 5. 12. 34. 



165. Goniopora Madagascar 1. {G. Hannonis prima.) 



[Madagascar, coll. Esper ; ? ] 



Syn. Madrepora conglomerata Esper, Pflanzenth. Suppl., i. p. 71, pi. lix. 

 Porites conferta Dana, Zooph. (1848) p. 557. 



Description. — The corallum rises from a narrow stalk by forkings at small angles, but at 

 very irregular intervals, into a compact and regularly thickening cluster of long sinuous stems, 

 round or oval in cross sections and showing long fusiform swellings. In spite of the crowding, 

 there seems to have been but slight tendency for the stems and branches to fuse. Tlie 

 terminals over the whole mass all seem to reach to about the same level, and are fairly uniform 

 in length, about 2 cm., and are either sharp and tapering or blunted and as if beginning to fork. 

 The living layer is 3 to 4 cm. deep with the stock itself some 17 cm. high. 



The calicles are conspicuous, near the tips they are sharply depressed, crowded, angular. 

 The walls have thin, sharp, echinulate edges. The septa, fifteen to twenty in number, begin 

 below the edges of the walls and slope irregularly, making the cavity funnel-shaped ; they are 

 rather lamellate (" blatterichte "), wavy, laterally echinulate and fuse together. The pali at 

 the tips of the septa are not clearly differentiated. The central fossa is small or obscured by a 

 central tubercle. In the older parts, the walls thicken and are then covered with granules like 

 those forming the edges of the septa. 



The colour of the very heavy and dense stock was said to be a greyish-brown. 



This description is taken from Esper's text and figure. He informs us that he had several 

 exactly similar specimens from the East Indian seas, but (" vorziiglich ") in greatest abundance 



* On one of these bleached fragments, a chip from the edge about 1 ■ 8 cm. long and 8 mm. 

 broad, there is an early stage in the development of a Bryozoan, consisting of the parental zooid with 

 one bud, and showing a relationship between them which deserves attention. 



