BRYOZOA FROM FRANZ-JOSEF LAND. 105 
Fig. 13. Cellepora inerassata, Sm. Vicarious mandible, x 85. From same 
specimen as figs. 11 & 12. 
NN 14. Do. Lateral oral mandible, x 85. From near Wilezek Land. 
15. Cellepora pumicosa, Busk. Mandible, x 85. Lat. 77° 55!’ N., long. 
/ 55° 25! Hi. ? 
at 16. Do. Operculum, x 85. 
17. Smittia ventricosa (Hass.), var., X 25. Off clacier between Cape Flora 
and Cape Gertrude. 
18. Smittia Jacksonii, nom. nov. Mandible, x 85. Lat. 772 55' N 
long. 55° 25' E. 
Figs. 19, 20. Smittia lamellosa (Sm.). Operculum and mandible. x 83. 
ieee Don Dox xX 25! 
22. Porella obesa, sp. nov. Mandible, x 250. 
23. Do. Operculum, x 85. 
24. Do., x 25. Off Elmwood. 
OF) 
Observations on Syllis vivipara, Krohn. 
By Epwin 8S. Goopricn, M.A., F.L.S. 
[Read 7th June, 1900.] 
(Pxate 13.) 
Wattst working last winter at the Zoological Station in Naples, 
I found in the tank of the large laboratory an interesting small 
Syllid, which I believe to be the Syllis vivipara originally named 
by Krohn in 1869 (2). 
Since Krohn gave but a very brief description of his worm, 
without figures, merely stating that in general structure it closely 
resembles Claparéde’s Syllis Armand: (probably 8S. prolifera, 
Krohn), it is by no means easy to make certain whether we are 
really dealing with his species. The worm redches to a length of 
2 cm., and appears pale yellow in colour owing to the intestine, 
which is seen through the transparent aud almost colourless 
body-wall (Pl. 13. fig. 1). The palps are joined together below 
the prostomium for about half their length (figs. 1&2). The 
dorsal cirri are of considerable length, especially in the anterior 
region (fig. 1). As Krohn mentions, the terminal joint of the 
chet are provided with a single hook (fig. 6). 
Internally, the alimentary canal is of quite normal structure. 
The pharynx possesses a single tooth, aud nine papille at its 
anterior end (figs. 1 & 3). 
LINN. JOURN.—ZOOLOGY, VOL. XXVIII. 8 
