CffiLENTERATA. 
467 
CCELENTERATA 
BY 
Ramsay H. Traquair, M.D., and W. F. Kirby, M.E.S. &c. 
ScnMARDA (Zoologie, i, pp. 200-233) proposes the following arrange- 
ment : — 
Anthozoa. 
Cnidaria. Alajonaria : Alcyonida (Corniilarina, Telestina, Xenina), Tu- 
biporida, Gorgonida, Isidida, Corallida, Pennatulida, inc. sed. Graptolitida. 
Zoantharia : (1) Autipatharia ; (2) Malacodermata — Cerianthida, Zoanthida, 
Actinida. Madreporaria : (1) Rvgosa — Cystipliyllida, Cyathophyllida, Cya- 
thaxonida, Stanrida (fossil) ; (2) Tahidata — Milleporida, Seriatoporida, Fa- 
vositida (Cliaetetina, Ilalysitina, Favositina, fossil ; Pocilloporina), Thecida ; 
(3) Tuhulosa — Auloporida (fossil) ; (4) Perforata — Madreporida (Eupsani- 
mina, Madreporina, Turbin arin a), Poritida (Poritina, Montiporina) 5 (6) 
rosa — Turbinolida (Caryopbyllina, Tiirbinolina), Dasmiida, Oculinida (Ocu- 
linina, Stylasterina), Stylopliorida, Astrseida (Eusmilina : Trochosmilice^ Eu- 
phylliacea, Stylinacea. Astrseina : Lithophylliacea, Faviacca, Astrteacea, Cla- 
docoracea, Astrangiacea^, Echinoporida, Merulinida, Fungida (Fungina: 
Fungiacea, Anahaceacea. Lopboserina). 
Podactinaria. Lucernarida. 
. Hydr^. 
MEDUSiE. 
SiriiONOPHORA. Velellida, Physalida, Physophoridn, Hippopodiida, Dy- 
phyida. 
Discophora. (1) Cryptocarpm — Oceanida, Thaumantiida, Encopida, 
-dEquoriida, Geryonida, Trachynemida, A5ginida ; (2) Plianerocarpae — Rhi- 
zostomida, Medusida, Pelagiida, Charybda3ida. 
Ctenophora. (1) Eurystomata — Beroida, Neisida, Rangiida ; {2) Sac- 
catcB — Callianirida, Mertensida, Cydippida ; (3) Tmiiatce ; (4) Lohatce — Ca- 
lymmida, Mnemiida, Eurhamphaeida, Bolinida. 
Allman On the Homological Relations of the Coelenterata,” Tr. R. Soc. 
Edinb. xxvi. pp. 459-466, woodcuts ; also (abstract) Pr. R. Soc. Edinb. vii. 
pp. 512, 613) asserte that a homological agreement should be traceable be- 
tween the parts of animals included in the various sections of the Coelenterata. 
He first points out the structural analogies between a Hydra and an Actiniay 
then compares the Siplionophora and Hydroida^ and, finally, discusses the 
