Bryozoa of the Bay of Naples. 
269 
81. Crista elongata , M.-Edw. (PI. XXIII. fig. 1.) 
Crisia elongata , M.-Edw. Sur les Crisies &c. p. 202, pi. vii. fig. 2, Ann. 
des Sc. Nat. 2® st§r. vol. ix. 
Crisia attenuate, Heller, Die Bry. des Adr. Meeres, p. 117, pi. iv. 
figs. 1, 2. 
The great length of the internocles and the fewness of the 
branches make it appear extremely delicate and narrow • and 
it created surprise, upon measurement, to find it as wide as 
species appearing much thicker. Branches arising at the 
fifth to fifteenth zooecimn. 
Hab. Adriatic (//.), 35-55 fathoms ; Naples, 40 fathoms. 
82. Crisia elongata , var. angustata. 
(PI. XXIII. fig. 4.) 
Crisia Jistulosa, Busk (non Heller), Mar. Polyz. pt. iii. p. 5, pi. vi. A. 
fi?s- 1, 2. 
?Crisia Edwardsii, Reuss, D;e foss. Polyp. Wiener T. p. 53, pi. vii. 
fig. 20. 
?Crisia Edwardsii, Manzoni, I Bri. foss. del. Mioc. d’Austr. ed Ungh. 
pt. iii. p. 4, pi. i. fig. 2. 
Fourteen to twenty-six zooecia between the joints of the 
same branch; branches arising usually from the fifth to 
eighth zooecium of a branch ; and at about the same distance a 
fresh branch grows on the other side. 
This differs from elongata in having more branches, which 
arise from nearer the joint, and is usually slightly more 
slender. The zooecia are 0’04 millim. apart. This looks 
much like the fossil Crisia Edwardsii ; but it is difficult from 
fragments to decide between this and the last variety. 
Hab. Naples, shallow and deep water. 
83. Crisia denticulately Lamx. (PI. XXIII. fig. 2.) 
84. Crisia eburneeiy L. 
85. Idmonea atlantica , Forbes. 
Idmonea atlantica, Manzoni, I Bri. foss. del Mioc. d’Austr. ed Ungh. 
p. 5, pi. ii. fig. 6. 
Idmonea gracillima, Reuss (non Busk), Die foss. Anth. und Bry. der 
Schicht. von Crosaro, Denkschr. k.-k. Akad. Wien, vol. xxix. p. 70, 
pi. xxxv. figs. 1, 2. 
Mr. Busk seems to have overlooked the fact that Reuss had 
named a fossil Idmonea gracillima ; and therefore the name 
given to a species in the British Museum (Cat. p. 14) will 
have to be changed. 
Specimens I have from the Val di Lonte correspond with 
recent atlantica. 
