ADDENDA. 523 



The ground-colour is yellowish-brovm, with irregular dark-brcwn 

 spots and dots ; the lower side of the tail with white dots. The 

 vertical fins and the pectorals with brown dots, arranged in series. 



lines. 



Total length 38 



Height of the body 8 



Smallest height of the tail 3 



Greatest width of the body 61 



Length of the head 9 



Diameter of the eye 24 



Length of the caudal fin 7 



■ — of the pectoral fin 10 



Page 168. Cottus tricuspis. 



Add to the synonymy : — 

 Phobetor tricuspis, Gaitnard, Voy. Scandin. pi. 4. fig. 1. 



Page 170. Centridermichthys asper. 



a. Type of the species. Columbia Eiver. From the Haslar Col- 

 lection. 



Page 171. Centridermichthys parvus. 



This species is very closely allied to C. asjier. 



a. Adult. Eraser's River. Voyage of H.M.S. Plumper. — D. 8 | 21. 

 A. 18. 



Page 171. Centridermichthys maculosus. 



i-t. Young. Vancouver Island. Voyage of H.M.S. Plumper. — 

 Palatine teeth and tentacles scarcely perceptible. 



Page 172. Centridermichthys armatus. 



d. Fine specimen. Vancouver Island. Voyageof H.M.S. Plumper. — 

 D. 8 I 19. A. 18. 



Page 172. Icelus hamatus. 

 Figured by Gaimai-d, Voy. Scandin. pi. 1. f. 2. 



Page 173. Triglops pingelii. 

 Figured by Gaimard, Voy. Scandin. pi. 1. f. 1. 



Page 176. Polycaulus elongatus. 

 n. Fine specimen. Amoy (China). 



