28 



DISCOVERY REPORTS 



Table III. Antarctic species of Nymphon. 



* The neck is regarded as short when the base of the oviger occupies the whole or two-thirds of the space 

 between first lateral process and anterior cephalic lobe; of medium length when it occupies approximately- 

 half, and long when it only occupies one-third or less, of this space. 



■j- Where the second is more than one-third longer than the first tibia the ratio tjti is given in brackets. 



J See p. 42. 



§ In these three species the base of the oviger is situated midway between first lateral process and cephalic lobe. 



The base of the oviger is in contact with, or only a little in front of the first lateral 

 process as a general rule, in both groups ; in three exceptional cases it is situated much 

 farther forward, arising from the middle of the long neck — N. longicoxa, N. hamatum 

 and A^. procerum. 



Abdomen. In group I the abdomen is elevated at an angle of 30-45° as a rule, and 



