30 THE VOYAGE OF H.M.S. CHALLENGER. 



Length of specimens, 2-| to 5.^ inches. Station 190; 35 to 49 fathoms Station 163, 

 off Twofold Bay ; 120 fathoms (?). 



Cnidoglmiis megastoma, Rich., Port Jackson. 

 (?) Murcenichthys gymnotus, Blkr. , Port Jackson. 



Syngnaihus superciliaris, n. sp, 



D. 23. Osseous rings 20 + 38. Snout as long as the postorbital part of the head, 

 Avith a median ridge above, terminating on the interorbital space ; neck compressed into a 

 trenchant ridge ; operculum without a keel, and with fine radiating striae. Shields with- 

 out spines ; lateral line passing into the lower caudal edge ; base of the dorsal fin not 

 elevated, standing on three body and three caudal rings. Tail twice as long as the 

 trunk. A very conspicuous filament above each eye. Pectoral and caudal fins well 

 developed. Brownish-grey, with indistinct darker cross-bands, and finely marbled with 

 darker and lighter spots ; snout and lower half of the head with oblique vermiculated 

 brown lines. Length of specimens, 3 to 6f inches. Port Jackson ; 4 to 6 fathoms. 



Urocam^ous ccelorJiynchii^s, Gthr., Port Jackson. 



Solenognathus fasciatus, n. sp. (PL XIV. fig. B). 



D, 41. Osseous rings 27-1-55. This species is most closely allied to Solenognathus 

 spinosissimus, having the same rough and spiny scutes, but the forehead is somewhat 

 broader, the dorsal longer and composed of more numerous rays, and the back of the 

 trunk ornamented with seven narrow blackish cross-bars. Also the prseanal region is 

 blackish. Length of specimen, 12 inches. Off Twofold Bay; 120 fathoms. (Tail, 5| 

 inches long.) 



Ostracion cornutus, L., Botany Bay. 



IV. THE FISH-FAUNA OF THE TEOPICAL ZONE OF THE INDO-PACIFIC. 

 A. FISHES FROM THE EIVEE MAEY, QUEENSLAND. 



Geographically only a portion of Queensland belongs to the Tropics ; but among its 

 fishes so thoroughly a tropical character predominates, that no one will associate them 

 with the fauna of the more southern temperate parts. This refers to the fresh-water 

 fishes as well as to those inhabiting its coasts. The Challenger did not touch in 



