128 Scientific Intelligence. 
the connective tissues extending’ across the a ed chambers and 
filling them from below. Interambulacral spaces distinct. 
order I. Stauracea (Madreporaria rugosa *).—Coral s oes or compound by 
bidding ; chie: pe ra - and endothecal ; septa igpurendy 3 in multiples of four, 
sometimes wan embryonic, like a young Astrea or Fungia. 
oy ili Sai Gyathophy lide, ee Cystiphy lide. 
I. Fungacea.—Polyps eee simple mpound by marginal or disk 
balding oa by fissiparity. Ten d-uciaeaneiia in multiples of six, inpea 
developed, scattered on ae actinal sesh usuall — ‘gas i 
of wali va scarcely exsert. Coral broad and low, gro centrifugal, theo 
me — walls nok developed, often Sibaplety at teh. , usually 
forming the basal attachm 
Panties 105 tolissla, Lophowride, Fungide, ae 
Suborder lI. Astreacea—Poly yps se compound, either by fissiparity or va- 
rious modes of budding. Tentacles usually well dev veloped long, subcylindrical, 
limited in number, in multiples of six PN je the Coral mural, septal and 
Spots | growth vertical and centrifugal, pr aeons turbinated forms which are 
often elon a 
am ea Lithophyllide, Meandrinide, Eusmilide, Caryophyllide, Stylinids, - 
Astreine, Oculinide, Stylophoride 
agree IV. Mad (Mad tacles in definite num- 
welve or more, well developed, cxteeiing the narrow disk, therefore nearer _ 
the cincab: Polyps with the upper portion much exsert, flexile ; nates wth chiefly ver- 
tical ; coral m and septal, porous. Polyps proctibes by budding, sometimes 
simple. 
a. ee oe Madreporide. 
spaces pr one open, destitute of connecting tissues and solid deposits. 
Suborder I, Zoanthacea.—Poly ae at, budding from mural ex- 
pansions; tentacles es simple, Fate at edge o 
Families—Zoanthi ide, Bergide. 
Suborder IT. Antipathacea— sePelepe ti nnected by a ccenenchyma, secreting @ 
solid sclerobase or ate axis, Tentacles fas six to twenty-four, Aah conical. 
Families— sie etn a Gerardide. 
* This group is placed here with considerable —— oe principally on ac- 
count of the close resemblance in structur young of the succeeding and 
higher seit when they first begin to poe pio’ which then consists of a ring 
of epit or epidermal deposit with a few, i ect, rugose septa radiating from 
the ce If the number fo e a constant feature of or arrangement of their 
se tis | possible that they may be entitled to of Polyps. 
To this piso Prof. J. D. Dana inclines, Prof. Agassiz rs the gious with Hy- 
droid Acalephs, on account of their resemblance, in some feat he Tabulata. 
I wever, that the nee nsverse plates in  Cyathazonida 
and Cy, ide the perfection of the vertical septa in Stauride. 
and some of Shc Cyathophyllide, together with their owes structure, shows 
them to be more c allied to the Fungacea and —— reacea, of which they may 
be considered embryonic types, — at the same time the group is a 
cae, having. siaicgies oe ll the higher grou of Po and vi some 
er sei th Hyeivoide ee hig ps sate also, a 
