226 Zoological Society : — 



tical, erect. Three pairs of frontal shields, the middle pair longest ; 

 vertical broad, the largest shield of the head, with an obtuse angle 

 in front and an acute one behind, sides rounded ; superciliaries 



large, prominent above the eyes ; occipitals distinct, but smaller than 

 the vertical, forked and rounded behind ; the first pair of frontals 

 small, triangular ; the second pair five-sided, nearly as large again 

 as the first pair ; the third smaller than the second and larger than 

 the first, quadrangular. Of the fourteen lower labial shields, the first 

 seven are narrow and elongate, the rest broad ; no groove upon the 

 labials. The nasal shield is very broad, with a deep pit, shaped like 

 a bean, and much produced backwards. Head moderate ; body 

 thick, compressed ; anal spurs small. Colour light brown, with a 

 series of darker rings, which become indistinct near the sides ; below 

 yellowish-white here and there, with a few dark blotches ; head and 

 neck jet-black above and below. Total length 7' 10". 

 Hab. Port Denison. 



Description of a New Species of Mormyrus. 

 By Dr. A. Gunther. 



Only a short time ago I described* a peculiar species of Mormyrus, 

 M. Petersii, distinguished by a very long mandibular flap. I have 

 the pleasure to lay to-day before the Society another species with the 

 same structure of the fins, and with a similar prolongation of the 

 lower jaw. It comes, like M. Petersii, from West iVfrica. The 

 peculiar form of the snout has suggested the specific name of 



Mormyrus Tamandua. 



D. 28. A. 31. V. 6. L. lat. 80. Body compressed, rather 

 elongate — its greatest height, between the origin of the dorsal and 

 anal fins, being two-ninths of the total length (without caudal) ; the 

 length of the head is one-fourth of the same. The snout is much 



* Wiegm. Arch. 1862, p. 64. 



