266 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxvii. 



Fin formula} of 7 .specimens: 5 specimens have 15 dorsal rays; 1 

 has 16; 1 has 14; 3 specimens have 14 anal rays; 2 have 13; 2 have 15. 

 Long'est dorsal spine 5 in head; longest soft ray 3; tips of last dorsal 

 ra3's not iiearly reaching base of caudal. Pectoi'al reaching a little past 

 front of anal; it has 17 rays, the tifth to the eighth from the top the 

 longest, If in head. The distal fourth or tifth of ventrals extends over 

 the median point between their base and origin of anal. Origin of 

 anal midwa}^ between tip of snout and distal sixth of caudal. Caudal 

 truncated, its length If in head. 



Bod}^ rough with small prickles; top of head appearing similar to 

 body under a lens, but smooth to the touch. 



Color brownish or slate color on back and head, under parts white; 

 sides crossed with 4 conspicuous, black, oblique, cross bars extending 

 downward and slightly forward; one not evident as the others under 

 front of spinous dorsal; one under fifth to seventh dorsal rays, grow- 

 ing narrower below and nearly reaching front of anal; a narrower one 

 under last dorsal rays, and one across base of caudal; the rays of pec- 

 toral, dorsals, and caudal with black spots forming irregular bars 

 across fins; anal and ventrals white; lips with black spots; chin dusky. 

 Small specimens show a white crescent on nape in front of dorsal, the 

 bars more conspicuous, and the interspaces lighter, sometimes white 

 immediately behind bars from dorsal to lower parts. 



This species difiers from Uranidea reh^i'i (Hilgendorf) and TJrnnidea 

 dyhoirskil (Hilgendorf) in having the ventral rays I, 4, in having 4 

 preopercular spines rather than 3, and in having teeth on the palate; 

 from the former in having a large head, nasal spines developed, ven- 

 trals not nearl}" reaching to anal and much shorter soft dorsal; from the 

 latter in having the height of head much less (5 to 5^ rather than 3^ in 

 length, without caudal), in having fewer pores in lateral line and in 

 color, the conspicuous cross bars not being described. Hilgendorf 

 describes 7 anal raA's for U. dyhoirskii., which number is doubtless a 

 misprint. Four specimens taken in the streams at Niigata and at 

 Tsuruga; the largest, the type, is 9 cm. in length, the smallest 6 cm. 



The t3^pe is nambered 7705, Ichthj^ological Collections, Leland Stan- 

 ford Junior University Museum, and is from Niigata, where it was 

 obtained by Mr. Eitaro liijima, a student in Stanford University. 

 Cot3q3es are numbered 50918, U. S. N. M. 



{kajlJca^ the Japanese name of river sculpins.) 



