'Alert' 1881-2

EXPLANATION OP THE PXATES. 661
Plate XII.
Fig. A. Antedon rerjince, nat. size. A a. Cirrus, x 3. The arms are
correctly figured as thirty-eight in number ; five in the text
is a misprint.
B. gyges, x 2. B «. Cirrus, x 4. B 6. Second pinnule,
X4.
Plate XIII.
Fig. A. Antedon irregularis, x 2. A a, A 6, Ac. Second, third, and
fourth pinnules, x 4.
B. — eler/ans, x 2. Ba. Disk from below. [In the descrip-
tion (p. 162) thirty arms instead of twenty have been
ascribed to this species by inadvertence.]
Plate XIY.
Antedon hriarem, nat. size, a, b. Second and fourth pinnules,
X4.
Plate XV.
Antedon microdisciis, nat. size, a, disk from below ; b, second,
c, seventh pinniile, x 3 ; d, cirrus, x 2.
Plate XYI.
Fig. A a. Basal joints of the second pinnule of Actinometra Solaris,
x6.
A 6. Basal joints of the second pinnule of Actinometra inter-
media, X 6.
Ac. Basal joints of the second pinnule of Actinometra robusta^
X6.
B. ActinOin ira coppingeri, x 3.
Plate XVII.
Fig. A. Actinometra paucicirra, X 2. a. First pinnule, x 4.
B. variabilis, nat. size. a. Second pinnule, x 4.