REPORT ON THE REEF-CORALS. 163 
42. Madrepora secale, Studer. 
Madrepora plantaginea, Dana (non Lamarck), Zoophytes, p. 459. 
Madrepora secale, Studer, Monatsber, d. k. preuss. Akad. d. Wiss. Berlin, 1878, p. 530. 
The specimens described by Dana as Madrepora plantaginea, Lamarck, have 
been referred by Verrill to Madrepora appressa, var.; but Studer has described it 
as a distinct species under the above name. A small specimen is in the collection, and 
its characters tend to prove that Studer’s conclusion is the right one. As stated by 
Dana, the species may be distinguished from Madrepora appressa (Ehrenberg), by its 
calicles, which are rather stout, tubiform or very slightly compressed, often dimidiate, 
very unequal and but slightly appressed. 
Locality.—Ternate. 
43. Madrepora appressa (Ehrenberg). 
Heteropora appressa, Ehrenberg, Cor. roth. Meer., p. 109. ) 
Madrepora appressa, Dana, Zoophytes, p. 459, pl. xxxiv. fig. 3. 1 
A single specimen in the collection measures nearly 1 foot in diameter, and is of 
rather stout growth. It has evidently grown from a central, basal attachment, but the 
colony has developed almost entirely in one direction as though from a lateral attach- 
ment. The branchlets are often grouped two or three together, and are united at the 
basal parts. At the outer part of the corallum these branchlets are shorter, much more 
thickened and more divided, with rather short, thickened, and less imbricated 
calicles. 
Locality. —Amboina. 
44, Madrepora prostrata, Dana. 
Madrepora prostrata, Dana, Zoophytes, p. 447, pl. xxxiii. fig. 1. 
The specimen which has been referred to this species consists of a small, prostrate 
branch, with many small, obliquely ascending branchlets. It seems to have been broken 
from the outer part of a dead clump. The calicles are broadly labellate, passing into the 
dimidiate form, unequal and often thickened at the base, this portion remaining rather 
prominent when the lip is rubbed away. 
Locality.—Samboangan, Philippines. 
45. Madrepora speciosa, n. sp. (Pl. X. figs. 1-10). 
Corallum shortly and narrowly pedicellate, spreading horizontally or slightly concave 
above; consisting of much divided and much compressed branches, from about 9 to 
