10 BEEYCID^. 



3. TRACHICHTHYS. 



Trachicbtliys, Shaw, Nat. Misc. x. pi. 378 ; C'ttv. 4" Val. iii. p. 229. 



Ampliiprion, £1. Schn. p. 551. 



Tracliiclitliys, sp., Lowe, Fishes of Madeira, p. 55. 



Muzzle very short, rounded, not protruding; cleft of mouth 

 oblique; chin prominent, eye large. Exceedingly fine villiform 

 teeth in both the jaws, on the palatines, and on the vomer. Eight 

 branchiostegals ; a strong spine on the scapular bone and at the 

 angle of pracoperculuni, a small one on the operculum ; suborbital 

 aa-ch with radiating ridges. Scales ctenoid, rather small, abdomen 

 serrated. One dorsal, ventral with six soft rays ; caudal forked. 

 Swim-bladder ? Pyloi-ic appendages ? 



Australian Sea. 



1. Trachichthys australis. 



Tracliichthys australis, Shaw, Nat. 3Iisc. tab. 378, and Zool. iv. p. 630 ; 



Ciiv. Sf Val. iii. p. 229 ; Lowe, Fishes of Madeira, p. 55 et seq. 

 Ampliiprion carinatus, B/. Schn. p. 551. 



D. 1 A. f^. V. 1/6. P. 13. 



Scales rough, rather irregularly arranged, those of the lateral 

 line not larger ; the serrated ventral keel composed of eight scales. 

 The height of the body not quite one-half of the length between 

 snout and the base of the caudal. 



Australian Sea. 



a. Adult: stuffed. New Holland. (Shaw's original specimen.) 



2. Trachichthys elongatus. (Plate I. fig. A.) 



D. ±. A. |. V. 1/6. L. lat. ca. 65. 



Scales rough, those of the lateral line not larger ; the serrated 

 ventral keel composed of eleven or twelve scales. The height of the 

 body one-tliird of the length between snout and the base of the 

 caiidal. 



a. Skin, in spirits. Great Barrier Island (New Zealand). Purchased 



of ilr. Sowerby. 



b. Young. Australia. 



Description. — This new species differs as much in the form of the 

 body from the other, as a Dace from a Crucian Cai-p. The length 

 of the head is less than the height of the body. The snout is ex- 

 ceedingly short, about one-third of the diameter of orbit. The 

 upper maxillary reaches a little behind the eye ; it is elongate and 

 styliform like the intermaxillary, but dilated at the end. The 

 loMer jaw is shorter than the upper, and furnished in front with 

 two little knobs ; the intermaxillaries are scarcely separated from 

 one another by a notch. All the teeth are fine, ^'illiform ; those 



