56 



Length of first soft ray dorsal ... 1^ inches 



„ of hist do. ... ... ... y „ 



„ of first anal S2:)iiio ... ... j „ 



„ of second do. ... ... ... -J „ 



„ of third do. ... ... ... f „ 



„ of first soft ray (anal)... ... If „ 



„ of last do. ... ... ... i „ 



Longest ventral ray ... ... ... If „ 



Distance between occi])iit and first ray 



of dorsal ... ... ... ... 26 mil. 



Distance between last ray of dorsal 



and caudal ... ... ... 21 mil. 



Genus TiiAciiiCHTHYS, Shaw. 



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

 mouth oblique ; chin prominent ; eye large. Exceedingly 

 fine villiform teeth in both jaws, on the vomer, aiid on the 

 palatine bones ; eight branchiostegals. A strong spine on the 

 scapular bone, and at the angle of the prasoperculum, a 

 small one on the o^^erculum ; suborbital arch with radiating 

 ridges. Scales ctenoid rather small ; abdomen serrated. One 

 dorsal fin ; ventral Avitli six rays ; caudal forked. Australia, 

 Tasmania, New Zealand. 



Trachichthys Macleayi. New sp. 



D y'V, a yV' ^ 8- Scales minutely irregularly spiniferous ; 

 a series forming the pierced scales of lateral line (about fifty), 

 larger, and armed with one or two visibly prominent trans- 

 parent spines. Height of body is 2j in. the total length ; the 

 length of the head nearly three times Cleft of mouth wide 

 almost vertical. The serrated ventral heel composed of VS 

 prominent spiniferous scutes. Ui)per and lower margins of 

 caudal })eduncle armed respectively with 8 and 7 strong 

 adpressed translucent spines. Colour of a uniform bright 

 golden yellow when fresh. Mouth of the estuary of the 

 Derwent. Rare. Named in honour of W. Macleay, Esq., 

 F.L.S., Sydney, to whom Australian naturalists are indebted 

 for much of their knowledge of the Australian fishes. 



The total length ... ... ... 9 w inches 



Length of body ... ... ... 7 J „ 



„ of head ... ... ... ... ok „ 



Greatest depth of body ... ... 4^7 „ 



Least depth at caudal peduncle ... | „ 



