A MITE FROM THE SOUTHERN SEA LION 



32s 



than broad ; these are broader than the corresponding articles in the female. Digitus fixus 

 not distinguishable unless represented by the slight prolongation at point A. Digitus 

 mobilis as in H. rosmari, a long, curved and slender hooked shaft with membranous 

 leaf-like process and rudimentary sperm-carrier forked distally. Articulation heavily 

 chitinized. 



Maxillipalps (Fig. 1 1) as in female, except article II which bears a stout conical process 

 on inner border. 



Fig. II. Maxillipalp of male. 



Fig. 10. Halarackne magellamca,sp.n. 

 Ventral view of male : x 25 



Fig. 12. Chelicera 

 of male. 



Material examined. Numerous females and three males from the nasopharynx of 

 Otaria byronia (cow 4 ft. 8 in. in length), Beach, Cape Dolphin, Falkland Islands, 

 20. vi. 31. 



Collector. J. E. Hamilton. 



Holotype ? : British Museum (Natural History). 



Reg. No. 1933. II. 6. I. 



Measurements. Female: length 5-0 mm. ; breadth between legs III and IV i-o mm. ; 

 length of opisthosoma 375 mm. Male: length 4-2 mm. ; breadth between legs III 

 and IV 0-9 mm. ; length of opisthosoma 3-2 mm. 



