418 Dr. F. Briiggemann on Stony Corals in 



but nearly all his statements apply best to the above, a recog- 

 nizable figure of which was given by Ellis and Solander. 



To the description in M.-Edwards's monograph might be 

 added that the species is easily distinguished by its straight, 

 rather thick branches. The septa are comparatively well 

 developed, and generally six in number, those of the second 

 cycle being rudimentary or wanting. Columella represented 

 by a very slight longitudinal elevation. 



Hah. Indian Ocean [Lamarck). 



I do not know wdiere to place the Seriatopora lineata of 

 Milne-Edwards, which is decidedly not the Millepora lineata 

 of Linnaeus. Esper's Millepora lineata^ again (and perhaps 

 also Dana's Seriatopora lineata) , is different ; his figure 

 seems to represent a rather abnormal branch of S. spinosa, 

 taken from the circumference of the corallum. Dana, and 

 after him JVlilne-Edwards, quote as a synonym of their S. 

 lineata a " Seriatopora subulata, var." of Lamarck (Hist. 

 Anim. s. Vert. ii. p. 282) ; but there is no variety whatever 

 mentioned in Lamarck's work. 



2. Seriatopora cervina. B.M. 



Porites cervina, Lamarck ; M.-Edwards, Cor. iii. p. 314. 

 Seriatopora cervina, M.-Edwards, t. c. p. 312. 



There is a specimen of Seriatopora in the Museum which 

 may belong to this little-known species. In its mode of growth 

 it is very similar to the preceding ; the branches, however, are 

 thinner, the terminal branchlets slenderer and slightly curved, 

 and the calicles placed in less regular rows. Septa nearly 

 obliterate. Columella moderately developed, cristiform. 



This is in some respects an intermediate form between S. 

 lineata and S. hystrix. 



Hah. Indian Ocean [Lamarclx) ; Australia [J. B. Jakes in 

 B.M.). 



3. Seriatopora hystrix. B.M. 

 Seriatopora hystrix, Dana ; M.-Edwards. 



Differs from the preceding in having the corallum evenly 

 convex and rather fasciculate, the branches more crowded 

 but less coalescing, evenly furcate, the terminal branchlets 

 upright, stout, and strongly curved, the septa of first cycle 

 better developed. 



Hah. Feejee Islands [Dana) ; Samoa Islands {Rev. S. J. 

 Whit mee in B. M.). 



4. Seriatopora pacifica. B.M. 



Corallum forming rather lax, not fasciculate clumps, very 



