ACTINOZOA. 
475 
W. S. KE^■T On some new and little-known species of Madrepores or 
Stony Corals in the British-Museum Collection,” P. Z. S. 1871, pp. 276- 
286, pis. 23-26) notices Amphihelia infundibulifera, Lamk., p. 276, pi. 24. 
figs. 4, 4 ct, 6, from Formosa; Stenohelia maderensis, Johnst., p, 277, pi. 24. 
figs. 3, 3a-c, from Madeira and Cape Verd ; Stylaster eximius, new name for 
S. elegans^ Michelotti, nec Verrill, p. 277 ; Allopora, Ehr., is recharacterized; 
A. ocidaia, Duncan, is a Stylaster ^ pp. 278-281 ; Errhina, Gray, is recharac- 
terized ; E. cochleata, glabra, and aspera {nec aspera, Esp., Gray, the type of 
Errhina), Pourtales, belong to Pentalophora, Kent, new name for Reussia, 
Michelotti [preoccupied in fossil ferns], pp. 282 & 283. Oxypora [as Oxyporus, 
long preoccupied in Coleoptera'], Kent, is proposed for Trachypora, Verrill, 
preoccupied in Cyathophyllidee, p. 283. 
On the poisonous nature of living corals, especially the madrepores, due to 
the darts in the lasso cells, cf. Packard, Bull. Ess. Inst. ii. p. 44. 
llUGOSA. 
Gwynia annulata, Dune., belongs to the Rtigosa, fam. Cyathexonidee. The 
Australian genua Conosmilia is allied to the Staiiridce, and especially to the 
Permian genus Polycodia. The palseozoic and neozoic faunas can no longer 
he considered distinct. P. M. Duncan, P. R. Soc. xix. pp. 460 & 461 
(abstract). 
Aporosa. 
Turbinoliidce . 
Caryophyllia cylindracca, Reuss. On its discovery by Carpenter and Jef- 
freys iu 1005 fathoms, olf the coast; of Portugal, and on the recent discoveries 
of other corals, supposed to be extinct, in a living state, cf. P. M. Duncan, J. 
G. Soc. xxvii. pp. 434-439. 
Stenocyathus, g. n., Pourtales, 111. Cat. p. 0. Corallum simple, free, very 
elongated, and of nearly equal diameter throughout ; a single crown of pali ; 
a columella of one or more twisted processes ; no epitheca. Type Ccenocya- 
thus vermiformis, Pourt., pi. 1. figs. 1 & 2, pi. 3. figs. 11-13. 
Neu) species : — 
Acanthocyalhus spiniger, Kent, P. Z. S. 1871, p. 276, pi. 23. figs. 1, la-c, 
Japan. 
Thecocyathus Icevigatus, Pourtales, 1. c. p. 14, pi. 6. figs. 3 & 4, Florida Reef, 
Double-headed Shot Keys, 100-316 fath. 
Desmophyllum solidum, id. 1. c. p. 17, pi. 6. figs. 6 & 6, Double-headed 
Shot Keys, 316 fath. 
Cci'atocyoihm prolifer, id. 1. c. p. 19, pi. 3. figs. 8-10, French Reef, 46 fath. 
Flabellum matricidum, Kent, 1. c. p. 276, pi. 23. figs. 2 & 2a-c, Japan. 
Oculinida. 
Colangia, g. n., Pourtales, 1. c. p. 31. Allied to Phalangia, Corallum im- 
mersed in an expanded epithecal membrane, forming several successive 
stories, following the growth of the coral. Primary and secondai^ septa 
entire; those of the lower cycles denticulate. Well-developed pali in front 
