GAMMARTD^ 1 . 



the male with a short stout spine, in the female sub- 

 apically with a fine hair. The eyes are very small, 

 irregularly defined in form, and, in the living animal, of 

 a bright lemon colour, showing very brilliantly in certain 

 positions. The two pairs of hands are similarly shaped, 

 somewhat resembling a pear, but the second pair are 

 slightly larger than the first : they have the superior mar- 

 gin almost straight; the palm is very oblique and slightly 

 waved, marginate,* arid fringed with a row of numerous 

 equidistant short cilia, and a few solitary hairs ; defined 

 by two in the first, and one in the second strong move- 

 able spines, the posterior margin is very convex, and pro- 

 duced posteriorly to the carpal articulation, it is fringed 

 with four fasciculi of anteriorly curved hairs, and is 

 capable of being compressed into a deep excavation on 

 the anterior margin of the wrist; the finger is long, 

 curved, marginate upon the inner surface, and furnished 

 with a distinct nail, the point of connection with the 

 finger being defined by a sharp tooth. The posterior 

 walking legs, instead of having the anterior margin 

 furnished with spines, have small fasciculi of hairs. The 

 elongated branch of the last of the caudal appendages 

 is not so much developed as in N. aquilex. In other 

 respects this animal bears a close resemblance to that 

 species. 



" r . This species was first taken by the Rev. A. R. Hogan, 

 at Ringwood in Hants, in a pump-well sunk about 

 fourteen years since, but there existed another well of 

 much older date, at the distance of a few feet, that had 

 been long closed up. It was also taken by Mr. Herbert 

 Mullins (who has kindly presented specimens to us and 



* The term marginate is used to express the presence of a well-defined 

 margin that frequently varies in appearance, and resembles a thin cutting 

 edge. 



