442 CALLIZONA SETOSA. 
CALLIZONA ANGELINI, Kinberg, 1866. 
Specific Characters ——The head projects considerably in front of the large dorso-lateral 
eyes, with four tentacles in front and one dorsally at the anterior part of the eyes. Body 
elongated, of 140 segments or more, terminating posteriorly in a slender tail. [ive rather 
short and thick tentacular cirri. Proboscis with twelve short papille anteriorly. Feet 
anteriorly with cordiform dorsal cirri and ovate cirri ventrally, but in the middle of the body 
and posteriorly they become more elongate. Anterior dorsal bristles slender, with compara- 
tively thick terminal pieces ; ventral bristles thick and curved, with slender terminal pieces. 
In the middle of the body only one or two thick ventral bristles. 
SYNONYMS. 
1865. Krohnia angelini, Kinberg. Annul Nova, p. 243. é 
1876. Rhynchonerella angelint, and Callizona Grubei, Greef. Nova Acta K. Leop.-Carol. deut. Akad., 
Bd. xxxix, pp. 57 and 72. 
1885. Callizona Grubei, Levinsen. Kgl. dansk. Vid.-selsk. Skrift., 6, Bd. 11, p. 333. 
1891. ag Ff Apstein. Jahrb. d. Hbg. wiss. Anst., p. 10. 
1892. e angelint, idem. Festschrift fiir Leuckart. 
1893. a i idem. Arch. f. Naturges., Bd. 1, Heft 2, p. 148. 
1900. 55 Fr and C. grubei, idem. Plankton Exped., Bd. 1, H. b, p. 18. 
1905. - A Reibisch. Nord. Plank., x, p. 4. 
Ov 55 - Southern. Irish Sc. Invest., 1, p. 4. 
1916. me Fauvel. Annél. Pelag. Monaco, p. 68. 
1922. 5 5 McIntosh. Ann. Nat. Hist., ser. 9, vol. ix, p. 13. 
Habitat.—Procured in the midwater trawl and tow-net near depths ranging from 600 to 
1000 fathoms off the West Coast of Ireland. 
Elsewhere it occurs in the North and South Atlantic, the Indian Ocean and the China 
Sea. 
Southern’s careful investigations of the type-specimens appear to leave no doubt as to 
the identity of the two forms C. angelini and C. Gruber. 
CALLIZONA SETOSA (Greef), 1885. 
Specific Characters—Head with large dark-brown eyes, situated dorso-laterally and 
with lenses ; four palpi. Body elongated, with sixty-three segments, terminating posteriorly 
in two thick anal cirri; five tentacular cirri; proboscis with twelve papille anteriorly. 
Anterior feet bearimg stout bristles, the terminal pieces of which are thick and serrated ; 
dorsal cirrus foliaceous in front, but posteriorly cirriform; ventral cirrus smaller, leaf- 
hke, becoming more elongated posteriorly. 
SYNONYMS. 
1880. Vanadis (Halodora) Petersii, Langerhans. Zeitschr. f. wiss. Zool., Bd. xxxiii, p. 312. 
1885. fs setosa, Greef. Ibid., Bd. xlii, p. 449. 
a 7 heterocheta, Viguier. Compt. Rend., t. ci, p. 578. 
1886. “ i idem. Arch. Zool. Expér., 2 sér., Bd. iv, p. 408. 
1892. Alciopa cari, Hering. Sitz. K. Akad. Wiss. Wien, Bd. ci, p. 753. 
