Botany and Zoology. 129 
p ete 
lobes or folds. Most of the species are simple, a few are compound by fissiparity, 
many abnormally bud from the wall near the base, a few secrete from the base a 
of Antipathes. 
amilies—Actinide, Thalassianthide, Minyide, Ilyanthide, Cerianthide. 
Orver III. Axtcyonanta.—Polyps with well developed actinal, mu- 
ral, and abactinal regions, compound by budding. Tentacles eight, pin- 
nately lobed, long, encircling a narrow disk. No interambulacral spaces. 
Ambulacral ones open and wide. 
der I. Aleyonacea.—Polyps turbinate at base, budding in various ways, en- 
a. 
bor 
crusting, adherent to foreign bodies by the cenenchym 
Families— Alcyonide, Xenide, Cornularide, Tubiporide. 
Suborder IT. Gorgonacea.—Polyps cylindrical, short, connected by a ccenenchy- 
ma, secreting a central supporting axis. 
Fe nuiee—Gorgonides, Plexauride, Primnoide, Gorginellide, Iside, Corallide, 
Briari fe, 
Pennatulacea.—Polyps forming free, moving colonies, the co 
_ Suborder ITT. mpo- 
oes ta portion with locomotive functions and special cavities, with or without a 
soli i 
axis, 
Families—Pennatulide, Pavonaride, Veretillide, Renillide. 
9. Embryology of the Star Fish; by AvexanperR Acassiz. 
70 pp. 
4to, with 8 lithographic plates, from vol. v, of Prof. Agassiz’s Contribu- 
tions to the Natural History of the United States.—The microscopic re- 
searches here descri 
I ce in the 
classes, in their primary stages of growth ? They are all built 
made up 
of Echino- 
structural plan of these animals belonging to different 
Series, Vou. XL, No. 118.—Juxy, 1865. 
