19 Coeh 
C(ELENTERATA. 
striking resemblance. It, however, holds a unique position in that 
family, and has no near ally. At present it seems to be confined to the 
Carboniferous and Permo-Carboniferous Formation of Australia and 
Tasmania. 
18 A. Packard, jun., A. S. Zoology for Students and General Readers. 
New York: 1879, crown 8vo. The Actinozoa ; pp. 71-91. 
Among some general observations on structure and affinities of this 
class, the author specially describes (p. 7G) the alimentary system in 
Metridium (fig. 60), with the phenomena of digestion. 
19. Rathbun, R. Brazilian Corals and Coral Reefs. Am. Nat. xiii. 
pp. 539-661. 
The author describes another reef similar to the one at Itaparica (r/. 
Zool. Rec. xiv.), situated to the south of the entrance to the Parahyba 
do Norte. 
20. Verrill, a. E. Notice of recent Additions to the Marine Fauna 
of the Eastern Coast of North America. Nos. 3 & 5. Am. J. Sci. 
(3) xvii. pp. 239-241, & 474 refer to Anthozoa, 
New genera and sjpecies : — 
ZOANTIIARIA MALACODERMATA. 
Actiniidj:. 
Pdlythoa violacea, Bruggemann (2), p. 70, Rodriguez. 
Actinernus, Verrill (20), p. 474. The tentacles are rather large, and 
adnate to the marginal lobes ; the disk is large, and the margin frilled in 
some individuals ; the disk and tentacles are not retractile. For A. 
nohiliSf id. ibid., Sable Island, N. S. 200-250 fath., George’s Bank, &c. 
Synanthus, id. ibid. Actiniw, parasitic on branches of Primnoa reseda, 
&.O., with a broadly expanded, thin base ; new zooids arise by budding, 
BO as to form a small colony connected by a common base. For S. 
mirahilis, id. ibid., same localities as Actinernus nobilis. 
ZOANTHA.RIA SCLERODERMATA. 
TURBlNOLIDiE. 
. TrochocyathuB canavarii, D’Achiardi (4), p. 139, Monte Primo, near 
Camerino. 
OCULINID.^). 
Baryhelia reticulata, Duncan (6), p. 92, pi. viii. fig. 1, Haldon, Devon. 
Pocillipora pulchella, Brliggemann (1), p. 20.3, Ponape. 
AstE^IDtE* 
Galaxea tenella, Bruggemann (1), p. 203, Ponap4; G. tcei)is, idi (2)j 
p. 570, Rodriguez. 
