MADREPORARIA OF THE DEEP SEA. 246 
it from the Cladocoracee and from my Onchotrochus (Monog. Brit. Foss. Corals, 2nd 
series, part ii. No. 1, p. 4, 1869), and places it in the genus C@losmilia. 
This genus I carefully analyzed in the monograph just referred to (p.5); and out 
of 15 species I have described six. It is a subgenus of the genus Trochosmilia; and 
I have never noticed gemmation from any corallite of any species. 
Believing that the new genus is a good one, and that it is better to form one for the 
two species, I venture to include Celosmilia fecunda, Pourt., in it, and to term it 
_ Blastosmilia fecunda, Pourt. The American species ranges from 63 to 315 fathoms, 
and affords another instance of the affinity of the West-Indian and Mediterranean 
marine faunas. 
A further possible alliance is indicated in the affinities of the species with Cenosmilia 
arbuscula, Pourtales (Zool. Results of Haslar Expedition, pt. i. p. 39,1874). The 
genus Canosmilia is thus defined :—* This genus is formed to receive the Parasmilie 
propagating by germination, and thus becoming compound. Single corallites are 
typical Parasmilie.” Inthe Supplement to the British Fossil Corals I described several 
Parasmilie, and was always impressed with the great costal development, and that of 
the endotheca and columella. But I never found one budding. ‘The cost in Ceno- 
smilia arbuscula are, from the photographic reproduction given, not well developed, nor 
is the columella. Whilst clearly seeing the distinction between Blastosmilia and Celo- 
smilia, 1 cannot help thinking that the form described by Pourtales is very closely 
allied to mine. 
IV. GENERAL REMARKS. 
The numbers of the “ dredgings ” refer to those of H.M.S. ‘ Porcupine ;’ and their 
exact localities and temperatures are stated in the first part of this essay (Trans. Zool. 
Soe. vol. vili. p. 338). 
The Caryophyllie now described are remarkable for their low septal number and 
slender shape. They have each an epitheca; and in Caryophyllia simplex it is beau- 
tifully marked with a chevron pattern. They come within a section of the genus of 
which the species C. vermiformis, Duncan, described in the former essay, is the type. 
They are not without affinities to Pourtales’s Stenocyathus, from the other side of 
the Atlantic. They are both from deep water in the Atlantic, west of the British 
Channel. 
Bathycyathus minor, sp. nov., is without those interesting alliances which rendered 
the other species with which it was found so interesting. It came from a great depth. 
off the south-west coast of Spain, in 1095 fathoms. 
Six species of Paracyathi, all from the Mediterranean, are interesting for the beauty 
of their construction and their distinctness from the forms already described. The 
Parathyathus striatus, described in the first essay, I believe to be fouud also in the 
American part of the Atlantic. One of the new species is remarkable from its entire 
2m 2 
