C60 
ZOOLOGICAL LITICllATUllE. 
In a mass on tlio extremity of the body of the zoanthodeme. 
13. Umhelhdaria, Lamk. 
III. Polyps retractile into the parenchyma of the zoanthodeme. 
Anterior and lateral 14. Kophohclcmnon,k.^]ox. 
On all the surface. 
Axis well unfolded, quadrangular 16. Lituaria^ Valenc. 
Axis slightly cylindrical 16. Cavernularia, Valenc. 
Axis rudimental, sometimes wanting. ... 17. Veretillum, Cuv. 
On one of the two sides of the edge of the laminar body, reniform. 
18. Penillay Lamk. 
Richiardi describes the following new species : — 
Pennatula targioniiy Richiardi, 1. c. p. 34, tav. 1. fig. 8, 9, 10, habitat un- 
known. 
Pteroides grayiy Richiardi, 1. o. p. 64, tav. 3. figs. 18-20, for Pennatida griseay 
Esper, not P. griseay Pallas j P. vogtiiy Richiardi, 1. c. p. 66, tav. 4. figs. 20-28, 
MediteiTanean j P. cornaliccy Richiardi, 1. c. p. 57, tav. 6. figs. 37-39, Adriatic ; 
P. clausiiy Richiardi, 1. c. p. 68, tav. 6. figs. 43-46, Mediterranean j P. panceriiy 
Richiardi, 1. c. p. 69, tav. 7. figs. 49-61, habitat unknown. 
Virgularia leuckartiiy Richiardi, /. c. p. 82, tav. 10. figs. 76-77, North Sea j 
V. koellikeriiy Richiardi, 1. c. p. 83, tav. 10. figs. 71-74, Mozambique. 
Caveimdaria haimeiiy Richiardi, 1. c. p. 119, tav. 13. fig. 110, habitat un- 
known; C. dcfilippiiy Richiardi, 1. c. p. 121, tav. 13. fig. Ill, F Mediterranean. 
Sccptofiidiuniy g. n., Richiardi, 1. c. p. 63. Zoanthodeme simple, short ; body 
large ; the pinnuliferous portion distinct from the sterile part ; pinnules 
fleshy, short, upon the anterior and lateral faces ; the posterior naked and 
smooth ; the polyps numerous, retractile, in one long single series on the 
margins of the pinnules ; the stem or axis largely calcareous, rectangular in 
section. S. mozamhicanumy sp. n., Richiardi, 1. c, p. 763, tav. 9. figs. 63-06, 
habitat Mozambique. 
Kolliker, 1. c.y divides the Pennatulidse as follows : — 
I. Pars polypifera with bilateral symmetry. 
A. Pars polypifera feather-shaped, peduncle with 4 principal canals. 
Tribe 1. Pennatulacece. 
B. Pars polypifera leaf-shaped, peduncle with 2 canals. 
Tribe 2. Renillacece. 
II. Pars polypifera with the polyps arranged after a radial type. 
Tribe 3. Veretilliacece. 
First tribe. Pennatidacece. 
1st family. Penniformes. Pennatulse with well-formed pinnse and well- 
pronounced feather-shaped figure. 
1st subfamily. Pteroidince. The principal zooids reaching to the pinnse. 
1. The pinnse with main rays. 
a. With many rays 1. PteroideSy Ilerkl. 
h. With only a single main ray 2. Godeffroyiay g. n. 
2. The pinnm without rays 3. Sarcophyllumy g. n. 
2nd subfamily. Pennatxdince. The pnncipal zooids situated on the ventral 
side of the rachis. 
1. The pinnse with calcareous spicula. 
