8 Ccel. 
COELENTEEATA. 
Umhellularia grosnlandica (L.) figured ; “ The Atlantic/’ i. p. 150. 
(Aloyoniw^.) The Alcgonmce ^,re divided by Klunzinger (6) into “A. 
relractiles^* {Alcyonium^ Sarcophytum), capitulifercn^* {^Ammoihea^ Neph- 
thya, Spongodes), and exserta'' {Xenia). 
Alcyonium sphcerophorum {^hvhg ), Klunzinger, 1. c. p. 22, pi. i. fig. 1 ; 
glohuliferum, sp. n., id. 1 . c. p. 23, pi. i. fig. 2 ; digitulatum, sp. n., id. 1 . c. 
p. 24, pi. i. fig. 3 ; pachycladoSy sp. n., id. 1. c. pi. i. fig. 6 ; brachyclados 
(Ehrbg.), id. 1. c. p. 25, pi. i. fig. 4 (= tuber culosuniy Q. (A.) \ polydactylum 
(Ebrbg.), id. 1. c. p. 26, pi. i. fig. 6 ; leptoclados (Ehrbg.) 1. c. pi. i. fig. 7 ; 
gyrosum, sp. n., id. p. 27, pi. ii. fig. 1 (Red Sea). A. fruticosum, M. Sars, 
Faun, littor. Norv. iii. p. 81, pi. iii. fig. 8. 
Sarcophytum pulmo, Esper (= lobatum^ Less.), Klunzinger, 1. c. p. 281, 
pi. i. fig. 8 ; paucijlorum (Ehrbg.) (= Lithophytum pulmonare, Forsk.), id. 
p. 29, pi. ii. fig. 2; S. (P) savignii^ Klz. (= Ammothea vir&scena, Aud., 
Ammocella pauci/lora, Gr.), id. 1. c. p. 30 (Rod Sea). 
Ammothea thyrsoides (Ehrbg.), id. 1. c. p. 31, pi. ii. fig. 3 ; .arborea 
(Forsk.) {virescens, Sav., Nephthea cordieri, Aud.), id. 1. c. pi. ii. fig. 4 
(Red Sea) ; luetkeni, Marenzeller, Deuk. Ak. Wien, xxxv. p. 16, pi. iii. 
fig. i. (North Polar Sea). (This is the Greenland Alcyonarian referred 
by the late M. Sara, 1. c. p. 81, to Alcyonium fruticosum). 
Gersemia, g. n., Marenzeller. Zoauthodema erect, ramified, or tube- 
rous and unbranchod ; polypites cylindrical, well developed, with the 
abdominal portion rather elongate, not retractile or only partly so : sar- 
cosoma slightly developed ; no spicules in the septa ; body wall of the 
polypite, tentacles, and pinnules richly studded with spicules. G.Jlorida^ 
Rathke (Zool. Dan.), id. 1. c. p. 19, pi. iii. fig. 2 (North Polar Sea, 186-240 
metres) ; loricata, sp. n., id. 1. c. p. 21, pi. iii. fig. 3 (North Polar Sea, 
183-203 metres). 
Nephthya chabroli (Aud.) {innominata, savignii^ l^lv.), Klunzinger (6) 
p. 33, pi. ii. fig. 5 (Red Sea). 
Spongodes savignii (Ehrbg.), Klunzinger, 1. c. p. 35, pi. ii. fig. 6 ; hem- 
prichij Klz., id. 1. c. p. 36, pi. iii. fig. 1 {N. Jlorida, Ehrbg., S. celosia, 
Less.) ; ramulosa, Gr., id. 1. c. p. 37, pi. iii. fig. 2 (Red Sea). 
Xenia umbellata, Sav., id. 1. c. p. 39, pi. iii. fig. 3 ; fuscescens, Ehrbg., 
id. 1. c. p. 41 (? Ileteroxenia elUabethce^ K611.) j var. minor (X. cceruleay 
Ehrbg.) (Red Sea). 
Sympodiujn cceruleum^ Ehrbg., id. 1. c. p. 42, pi. iii. fig. 5 ; fulvum 
(Forsk.), id. 1. c. p. 43, pi. iii. fig. 6; fuliginosum, Ehrbg., id. 1. c. 
pi. iii. fig. 7 ; purpurascens, Ehrbg., id. 1. c. p. 44, pi. iii. fig. 8 (Red 
Sea). 
Anthelia glauca^ Sav., id. 1. c. p. 45 ; strumosa, Ehrbg., id. 1. c. (Red 
Sea). 
(Tubipouibm.) Tubipora hemprichi, Ehrbg., id. 1. c. p. 47, pi. v. 
fig. 10 \ purpurea, Pall, {musica, Sol., Ell.), id. 1. c. p. 48, pi. v. fig. 11 (Red 
Sea). 
Fossil Corals. 
W. Dybowsky, Die Chastetiden der ostbaltischen Silurformation, St. 
Petersburg, 134 pp., 6 pis. {new geneva, Ditiopora and Solenopora). II. A. 
