384 FISHES OF KAMCHATKA AND JAPAN— BEAN ^- BEAN. vol. xix. 



larger than the pupil a little above the base of the pectoral, just below 

 the lateral line. 



No. 33854, U.S.N.M. (2704). Avatcha Bay, September 27, 1883; L. 

 Stejnejier. 



Two young- specimens, 69 and 73 mm. long. The larger one of these 

 has, in addition to the short branch running up toward the pectoral, a 

 short line immediately in front of tlie ventral origin not extending as 

 far forward as the one on the middle line of the throat. The smaller 

 examj)le is normal, except that the line on the ridge of the throat is not 

 continued forward far from the origin of the ventral. 



COTTUS PLATYCEPHALUS, Pallas.' 



No. 38982, U.S.N.M. Petropaulski, September, 1883; N. Grebnitski. 

 D. IX, 16; A. 13. Vomerine patch of teeth greatly developed. 



COTTUS TiENIOPTERUS, Kner. 



No. 47558, U.S.N.M. Petropaulski, Kamchatka; L. Stejneger. 



Length, 3f inches. Eye nearly equal to snout, 4§ in head. Head 

 two-fifths of length without caudal. Interorbital S])ace about two- 

 thirds eye. Pectoral reaches to anal origin ; the ventral nearly to vent. 

 The longest preopercular spine is a little longer than eye. The maxilla 

 reaches nearly to the hind margin of the eye. 



D. VIII, 15; A. 13; lateral pores, 37. 



Cottus t(vniopterns should be carefully compared with C. platycephalus, 

 Pallas; the two are closely related and may prove to be identical. 



COTTUS NIGER, Bean. 



No. 33844, U.S.N.M. (2589). Petropaulski, September 17, 1883; L. 

 Stejneger. 



No. 33879, U.S.N.M. (2590). Petropaulski, September 17, 1883; L. 

 Stejneger. 1). IX, 15; A. 11. 



COTTUS POLYACANTHOCEPHALUS, Pallas. 



No. 33816, U.S.N.M. (2616). Petropaulski, September 24, 1883; L. 

 Stejneger. 



ENOPHRYS DICERAUS (Pallas), Jordan and Gilbert. 



No. 33817, U.S.N.M. (2614). Petropaulski, September 24, 1883; L. 

 Stejneger. 



No. 33852, U.S.N.M. (2686). Avatcha Bay, Kamchatka, September 

 27, 1883; L. Stejneger. An individual 3 inches long. D.VIll, 12; A. 11. 



No. 38978, U.S.N.M. Petropaulski, August, 1883; N. Grebnitski. A 

 male in breeding dress; the anal papilla much enlarged. 



GYMNACANTHUS PISTILLIGER (Pallas), Gill. 



No. 33807, U.S.N.M. (2615). Petropaulski, September 24,1883; L. 

 Stejneger. From the inner harbor. 



1 ? = C decaatrenaia, Kner. 



