PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 471 

 Measurements — Continued. 



Anal: 



Distance from snout 



Length of base 



Distance of vent from snout 



Length of first ray 



I Length of longest ray (llt^ - 



Length of last ray '. 



Caudiil: 



Length of middle rays 



Pectoral: 



Distance from snout 



Length 



Ventral : 



Distance from snout 



Length 



Branchiostegals 



Dorsal 



Anal 



Caudal 



Pectoral 



Venti al 



Number of scales in lateral line 



Number of transverse rows above lateral line I 



Number of transverse rows below lateral lino J 



Millimeters. 



51 



19 

 49 



7 

 21 

 20 



About 22 



2.'! 

 23 



26 

 19 

 V 

 VI, 13} 

 12 

 + 13+ 



20 



1,5 



26 



10 



13. Cottus polyacanthocephalus Pallas. 



29139 (84). Head of Kingcombe Inlet, Brit 

 Port McLaughlin, Brit. Col 



Col. 

 Auff. 5, 1881. 



Aug. 2, 1881. 



Port Simpson, Brit. Col. Aug. — , 1881. 

 Wrangel, Alaska. Aug. — , 1881. 



D. X, 13 ; A. 12 ; found in 18 fathoms, 



D. X, 14; A. 12; in 14 fathoms of 



D. X, 14 ; A. 11 ; in 14 fathoms. The 



29140 (94). 



29141 (98). 



29142 (106.) 

 29139.— Length 4-i% inches. 



nearly fresh water. 



29140.— Length 12^ inches 

 water. 



29141.— Length 12^ inches, 

 middle preopercular spine of the right side is distinctly bifid, as a result, 

 no doubt, of some early injury. This species sometimes has two, but 

 usually three, developed preopercular spines. 



29142.— Length 6 inches. D. IX, 14 ; A. 12. 



14. Gymnacanthus galeatus Bean. 



29144 (102) <?. Chacan, Alaska. Aug. 15, 1881. 



29145 (116). Sitka, Alaska. Sept. 13, 1881. 



The first of these is S-^ inches long and bears out the characters of 

 the species fully as to armature of head, depth of body about half length 

 of head, &c. D. XI, 16 ; A. 18. Ventral reaches to third anal ray. 

 From 10 fathoms of water. 



The smaller individual is 4rj|ao inches long, and also has the characters 

 of the adult. 



15. Artedius notospilotus Girard. 



29143 (80). Drew's Harbor, Brit. Col. July 27, 1881. 

 Length 5 inches. D. IX, 17 ; A. 13 ; V. I, 3. Caught in 12 fathoms. 



