ALCIOPIDAE 119 



Genus Callizonella, Apstein 

 Body slender and elongate. The head, which extends beyond the two great eyes, carries 

 five tentacles. The proboscis has a crown of small papillae. There are five pairs of 

 tentacular cirri. There are no undeveloped feet behind the tentacular segments. The 

 pedal lobe ends in a small cirriform appendage. The dorsal and ventral cirri are 

 foliaceous. The bristles are of two kinds; long, delicate and capillary bristles and short 

 and moderately stout bristles. The long capillary bristles are all simple, and the short 

 acicular bristles may be either simple or compound. Segmental glands are present. 



Callizonella bongraini (Gravier). 



Callizona bongraini, Gravier, 191 1, p. 70, pi. iv, figs. 39-43. 



Benham, 1929, p. 189, pi. i, figs. 11-12. 



Callizonella bongraini, Augener, 1929, p. 294, fig. 2 a-g. 



Occurrence. St. WS 555 (3). 



Specific characters. A small species measuring about i mm. in breadth and usually 



about 20 mm. in length. There are five pairs of tentacular cirri arranged as follows: 



iH h - . The ventral cirrus of the third tentacular segment is foliaceous. The feet end 



II 

 in a small, inconspicuous terminal process, and the dorsal and ventral cirri are foliaceous, 



more or less ovate. In a normal foot from the mid-body there are about a dozen long, 

 fine, simple capillary bristles and below these a single short, acicular bristle. In the 

 first few feet the bristles are all short and compound. They are of two kinds, and their 

 differences are analogous to the differences between the falcigers and spinigers of the 

 Nereids, to which bristles they have a general resemblance. Whether the simple acicular 

 bristles in the normal feet are compound bristles that have lost their end-pieces it is im- 

 possible to be certain, but I do not believe this to be the case. 



Segmental glands are present on every foot behind about the tenth. 



Genus Torrea, Quatrefages 

 Body cylindrical, transparent. The head does not extend beyond the eyes. Five 

 tentacles, the median being reduced to a small tubercle. A pair of enormous spherical 

 eyes. There are three pairs of tentacular cirri and the first two chaetigers are rudi- 

 mentary. In the female their dorsal cirri are transformed into seminal pouches. The 

 proboscis has a crown of papillae and a pair of lateral cirriform processes. The feet have 

 foliaceous dorsal and ventral cirri. The pedal lobe is without any terminal appendage. 

 The bristles are all long, compound, capillary swimming bristles. Segmental glands are 

 present. 



Torrea Candida (Delle Chiaje). 



Asterope Candida, Fauvel, 1923, p. 202, fig. 75 a-d. 

 Occurrence. St. 714 (i). 



Specific characters. The characters of this species are those of the genus. The 

 present specimen is a small anterior fragment measuring 8 mm. by i mm. for 24 

 chaetigers. 



