THE FISHES OF THE aNGOLF» EXPEDITIONS. 17 



small ventral disk has a diameter of la""'"; it is situated under the centre of the eyes. The dorsal fin 

 numbers c. 40 raj-s, the caudal fin 10, and the anal fin c. 40 rays. 



It will perhaps be useful to print here the following extract of Jordan and Starks's conspectus of the 

 American species of Liparh and Ncoliparis („The fishes of Puget Sound" p. 837 og 834). 



a. Liparis: nuinber of vertebrae c. 39; radii dorsales c. 35; radii anales 27 — 30. 



b. The gill-clefts very narrow, entirely over the base of the pectorals; rad. caudales 12. Z. liparis. 

 bb. The gill-clefts larger, partly below the uppermost pectoral ray. 



c. Radii pectorales 30; rad. caudales 12. L. cyclopus (I.e. pi. 97). 

 cc. Radii pectorales 41 — 43; rad. caudales 15 — 20. L. fucensis. 



aa. Careliparis Garm.: Number of vertebrae c. 46; radii dorsales 40 — 44; radii anales 35 — 36. 

 d. Radii pectorales 35 — 36. 



e. Gill-clefts small, not reaching beyond the first pectoral ray. 

 f. Z. tunicatus. 

 ff. Z. Agassizii. 

 ee. Gill-clefts large, reaching down to the fourth pectoral ray. Z. Dennyi (1. c. pi. 98). 

 dd. Radii pectorales 42 ; gill-clefts large , reaching to and beyond the upper part of the pectorals. 

 Z. cyclostigjna. 



aaa. Actinochir: Number of vertebrae c. 52; radii dorsales 45—48, radii anales 38—40, radii pectorales 34—37. 



g. A. piilchellus. 

 gg. A. major. 



Neoliparis. 



a. Gill-clefts very narrow, not reaching beyond the third pectoral ray. 

 b. Anterior nostril distinctly tubiform. 



c. Radii dorsales c. 30, radii anales 24. A', nwntagtii. 

 cc. Radii dorsales 34 — 36, radii anales 25 — 28. N. callyodon Pall. (Z. mucosus Garm.). 

 bb. Anterior nostril not distinctly tubiform. Radii dorsales 32, radii anales 26. N. mucosus (1. c. pi. 95). 



aa. Gill-clefts relatively large; nostrils not distinctly tubiform. 



d. Radii dorsales VI— 27, radii anales 21 — 23, radii pectorales 30. N. flora (I.e. pi. 96). 

 dd. Radii dorsales VI — 34, radii anales 30, radii pectorales 35. N. greeni (1. c. pi. 96). 



Paraliparis bathybii (Coll.). 



The establishment of this hitherto unknown form was based upon a single specimen, 208""" long, 

 taken on < the Norwegian North-Sea-Expedition» to the North Sea, on a depth of 568 fathoms, west of 

 Beeren-Island ; it wanted the ventrals, and it had at that time to be left in doubt, whether this was a 

 constant deficiency or it was only due to an accident. It was therefore referred to the genus Liparis 

 with the annotation, that it would perhaps form a proper genus (Den norske Nordhavs-Expedition^, 

 Fiskene p. 52, t. 2, fig. 14). Then the «British Museums also received a specimen, 7V2 inches long, 

 fished by the Knight Errant on the North-Sea-Expedition of this vessel in the «Faroe Channels on a 

 depth of 640 fathoms (Challenger, deep-sea fishes» p. 68, pi. XII, fig. C). It turned out that it really 

 wanted the ventrals and consequently an adhesive di.sk, formed by them, but is was not confirmed 

 — what has not been found b>- me neither — that under the chief portion of the pectoral are found 

 c. 4 rudimentary rays; but it was confirmed, that the pectoral fin did consist apparently of 2 divisions. 



The Ingolf-Expedition. II. l. 3 



