472 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



IG. Hemilepidotus trachurus (Pallas) Guutlier. 



29138 (117). Sitka, Alaska. Sept. 13, 1881. 

 A siugle example 12 inches long. D. Ill + VIII, 18| ; V. I, 4. Four 

 rows of scales in dorsal band. 



17. Oligocottus maculosus Girard. 



29816 (113). Wrangel, Alaska. Aug. — , 1881. 

 There are two examples, the larger measuring S^^ inches, the smaller 

 2^0 inches. The tin rays of both are alike : D. VIII, 17 ; A. 13. The 

 first dorsal is only two-thirds as high as the second. The preopercular 

 spine is bifid, with hooks incurved. 



18. Sebastichthys maliger Jordan & Gilbert. 



29130 (93). Port McLaughlin, Brit. Col. Aug. 5, 1881. 



A large example 15 inches long and 5 inches deep. D. XII, I, 13; 

 A. Ill, 7. The abdominal cavity is well supplied with tape- worm -like 

 entozoa. The fifth dorsal spine has been broken off, so that it is little 

 longer than the second, yet it has acquired a remarkably sharp point. 

 This specimen is very much like an overgrown caurinusj yet it has the 

 characters ascribed to maliger. Caught in 14 fathoms of water. 



19. Sebastichthys caurinus (Rich.) Jordan & Gilbert. 



29807 (77) (juv.). Departure Bay, Brit. Col. July 26, 1881. 

 29806 (124) (juv.). Eose Harbor, Queen Charlotte Island. Sept. 



18, 1881. 



29808 (103) (juv.). Chacan, Alaska. Aug. 16, 1881. 



The smallest (No. 29808) is i)robably young melanops; it is 4^ inches 

 long and has the following fin rays: D. XII, I, 15; A. Ill, 8. These 

 individuals measure 4|-, 6^, and 6^ inches respectively; their fin rays 

 are: D. XII, 1, 12, A. Ill, 6; D. XII, I, 13, A. Ill, 6; D. XII, I, 13, A. 

 Ill, 7. Number 29807 includes 2 specimens taken in 20 fathoms. 



20. Sebastichthys ruber (Ayres) Lockington. 



29129 (115). Kygani Strait, Alaska. Sept. 1, 1881. 

 Length of the single specimen, 19 inches. D. XII, I, 16; A. Ill, 8. 

 The mandibular knob projects -^^ of '^^ ii^ch forward. The longest giU- 

 rakers are nearly one inch long, equal to the distance between the an- 

 terior pair of nostrils. There are 36 rakers on the first arch, some of 

 them distinctly club-shaped. 



21. Sebastodes paucispinis (Ayres) Gill. 



29131 (95). Port McLaughlin, Brit. Col. Aug. 6, 1881. 



Length 14| inches. D. XIII, I, 14; A. Ill, 7; V. I, 5. Caught in 14 

 fathoms of water. 



