74 



BULLETIN OF THE BUREAU OF FISHERIES. 



disk and eye, the shorter connection between the dorsal and caudal and in minor characters. Its rela- 

 tionship with C. gibbus (Bean) is even closer, but the two are provisionally maintained as distinct. 

 For discussion of synonymy, see Crystallichihys cyclospilus. 



List of Stations. 



The above localities extend from Petrel Bank, Bering Sea, to the vicinity of Avatcha Bay, 

 Kamchatka. 



"■"^ 



'~«;^ 



I 



f 



Fig. 19. — Crystalluhthys cyctospilui, new species. Type. 



Crystallichthys cyclospilus, new species. (Fig. 19.) 



Liparis cyclostigma Jordan and Gilbert, Fishes of Berinc Sea. Report Fur-Seal Investigations. 1899. pt. 3. p. 476, pi. Lxxm; 

 not of Gilbert. Evermann and Goldsborough, Fishes of Alaska, Bulletin United States Bureau of Fisheries, vol. xxvi. 1906 

 (1907), p. 333. pl. xrx. 



Crystallichthys mirabilis Jordan and Gilbert, op. cit., p. 476. pl. Lxxvi; in part only. 



Type 202 mm. long, from station 4779, Petrel Bank, Bering Sea; depth 54 to 56 fathoms. 



Measurements in hundredths of length witliout caudal: Head 29; eye 4; interorbital width 14; 

 snout 14, width of head 16; depth of head 33; maxillary 11. 5; distance from eye to base of nostril tube 

 4; greatest depth 39; length of gill slit 7; diameter of disk 13; distance from anus to disk 3; to front 

 of anal fin 17; upper pectoral rays 19; width of base of pectoral 22; longest ray of lower pectoral lobe 

 14; distance from tip of lower jaw to disk 9. Dorsal 50; anal 42; pectoral 34; fins counted in dissected 

 cotype from same station. 



Body deep, compressed, the cheeks vertical, the greatest depth of head twice its greatest width; 

 eye small, the pupil elliptical, with its long axis horizontal; nostril single, in a prominent tube; mouth 

 nearly terminal, the premaxillaries not greatly overlapped by the short rounded snout; snout evenly 

 convex transversely, without the lengthwise median groove of Cryslallichthys mirabilis; bands of teeth 

 very wide, with nine oblique series in the half of each jaw; the anterior teeth of each series minute, 

 barely perceptible, those in the posterior two-thirds of the band large and distinctly trilobed. Gill 

 opening small, wholly above base of pectoral. Disk large, its anterior margin imder middle of eye. 



