Hamilton. — Occurrence of Genus Trachipterus in New Zealand. 375 



the lower jaw, and 3 in the vomer. 

 First 6 rays of the dorsal detached, 

 spinous, and fragile ; probably ele- 

 vated ; separated from the continu- 

 ous dorsal by membrane ; hinder 

 portion of the dorsal composed of 

 175 rays, attaining their greatest 

 height opposite the vent, and being 

 contained 2| times in depth of body ; 

 all rays spinous, and having a spiny 

 tubercle at the base ; membrane con- 

 necting the rays not attached to the 

 body. Ventral fins composed of 6 to 

 8 rays, the first being the longest and 

 strongest, with spines on anterior sur- 

 faces. The pectoral fins are damaged, 

 but show basal portion of 11 rays, the 

 first being the longest and strongest ; 

 all rays roughened. Caudal fin com- 

 posed of 10 rays, directed obliquely 

 upwards and backwards ; all rays 

 granulated and connected by mem- 

 brane ; signs of a lower rudimentary 

 caudal. Lateral line composed of a 

 row of conical spines, directed for- 

 wards and more strongly developed 

 towards the posterior portion. 



Colour generally bright silvery ; 

 transverse darkened lines correspond 

 with neural spines ; 3 large round 

 spots above lateral line, and a fourth 

 near the abdominal edge, a little be- 

 hind the first on the back. Nuchal 

 crest and top of head ^darkened. 



Measurements. — Diameter of eye, 

 26 mm. ; depth of body at vent, 

 107 mm. ; greater length of dorsal 

 rays, 45 mm. ; height of body at 

 insertion of ventral fin, 115 mm.; 

 proportion of height to length (ex- 

 cluding caudal fin), 1~6'38 ; longest 

 caudal rays, 140 mm. 



Locality. — -Chatham Islands. 



Professor W. B. Benham, Curator 

 of Otago University Museum, has 

 kindly placed at my disposal two 

 specimens from the neighbourhood 

 of Dunedin Besides being able to 

 examine the specimens themselves, 

 I have the benefit also of his ori- 

 ginal notes made when the fishes 

 were fresh. I beg to thank Professor 

 Benham for his kind assistance in 



?-;■> 



11 



:.m^ 



d-^:. 



-m 



■■•■ r .-.-U'- 



^m 



.a 



m 



I— < 

 ce 



u 

 3 

 •+= 

 eS 

 Pi 



O 



< 



i 



1—1 



i 



eS 



O 



o 



03 



a 



s 



e 



00 



s 



^ 



e 



I— I 



