ON THE ANATOMY OF DISTICHOPORA. 61 
T now give a list of the species, with a definition of those common 
in our seas. 
minent, rounded, or roughly stellate excrescences. Gastropores 
contiguous, deep, sometimes alternating in size. Columella very 
long, thick at the summit, not visible from above. Dactylopores 
cae situated in the indentations of the raised margins. 
Aneitum, N. Hebrides. J. Brazier; New Guinea ; 
@, gastropores. 3, pee riieas on raised margin. Fig. 3, sec- 
tion of branch at margin a little more enlarged to show distinct 
wall round primary and secondary pores. « and 6 as before. Fig. 
4, ampulle much enlarged. 
D. Sotegeee Dana. Descrip. of Zoophytes, op. cit. p. 151, pl. 
60 fi eddish, more slender than D. violacea, ramulous, 
adic. one-third as broad, at summit about a third of a line. 
Paumotu Arc chipelago. 
: is very difficult to recognize the species from this very im- 
a 
ect diagnosis, so I have ; given the swag Fig. 5. Coral nat 
* 6 r 
. fas 37 t 
enlarged. All from Dana’s figures 
D. rosea. Saville-Kent. Proceed. Zoolog. Soc. 1871, p. 281. 
Corallum arborescent, branches nearly cylindrical. a stipe s 
iTrow: 
inch. Colour of the ceenenchyma, bright rose pink. Habitat, 
east coast of Masta: Brit. Museum. 
