REPORT ON THE REEF-CORALS. 169 
about 2°5 mm. in diameter and 2 mm. in depth, from about 3 to 4 mm. apart, slightly 
prominent so as to form a raised margin, often a little higher on one side; many calicles 
scarcely or not at all raised above the general surface. Septa twenty-four, well developed, 
equal or subequal, often one or two very small or absent. Columella well developed, 
forming a conspicuous, central, trabeculate mass. 
A specimen in the collection evidently belongs to this species, which is figured but 
not defined by Blainville as Astreopora stellulata, and is confounded by him and by 
Lamarck with Madrepora stellulata, Ellis and Solander, Blainville’s figures are good, 
except that in the magnified calicles twenty septa are given instead of the normal 
number twenty-four. Dana, who accepts Blainville’s name for the species, records it from 
the Fiji Islands and enumerates many of its characters; but as Milne-Edwards and 
Haime point out, it is really referable to Turbinaria and not to Astreopora. 
Turbinaria parvistellata, Kent, is closely related to this species, being the only 
other recorded species of Turbinaria in which the corallum is massive. 
Locality.—Reefs, Fiji. 
Genus 3. Astreopora, Blainville. 
Astreopora, Blainville, Dict. d. Sci. Nat., Ix, p. 348, 1830. 
n Milne-Edwards and Haime, Cor., iii. p. 167. 
Duncan, Rev. Madrep., p. 185. 
” 
A single species of this genus is in the collection. 
Astreopora profunda, Verrill. 
Astreopora pulvinaria, Dana (non Lamarck), Zoophytes, p. 415, pl. xxix. fig. 3. 
profunda, Verrill, in Dana, Cor. and Cor. Islands, p. 333. 
A subglobular specimen occurs. The calicles are crowded or distant, quite immersed 
or raised conically, being often as much as 6 mm. high. The surface is roughly, 
raggedly, and closely echinulate. A very striking appearance is given to the species 
by the numerous irregularly placed, large and swollen, prominent calicles, which may be 
isolated or grouped in masses, with or without immersed calicles between them. 
Locality.—Banda. 
Genus 4. Anacropora, Ridley. 
Anacropora, Ridley, Ann. and Mag, Nat. Hist., vol. xiii., 1884, p. 287. 
" Duncan, Rev. Madrep., p. 192. 
Of this extremely interesting genus, recently described by Mr. 8. O. Ridley of the 
British Museum [of Natural History], two species are in the collection. The only other 
(ZOOL. CHALL, EXP.—PART XLVI.—1886.) Zz 22 
