Pycnogonida collected hij the ^Gauss.^ 147 



ACHELIA. 



This genus lias been restored from oblivion to incliule 

 those forms with a discoid body, a more or less imperfect 

 segmentation, with short and stout legs, liitherto included iu 

 Ammotheu. 



Aehelia megacephala. 



Body discoid, smooth. Abdomen very long and ceplialon 

 broad. OcuUxr tubercle stout, erect, witii well-developed 

 eyes. 



Winter-quarters, two specimens. 



AUSTEOTHEA. 



A new genus designed for those Ammotbeid species whose 

 body is not discoid in any sense of the term, and is witiiout 

 the transverse ridges so characteristic o? Ammotkea in its new 

 signification ; also the comparatively long legs is a further 

 character of importance. 



Austrothea spicata. 



Body stout, divergent lateral processes, the proboscis ovate, 

 slender, and the abdomen nearly as long'. Ocular tubercle 

 tall, terminating in a long spike. 



^. ii. 03. 380 m. 



A single specimen only. 



Austrothea gennanica. 



Insignificant spurs o\\ the lateral processes and more con- 

 spicuous ones on the first coxae. Ocular tubercle elongate, 

 pointed, and directed forwards. 



16. vi. 02. 385 m. 



A single specimen only. 



Austrodeciis glaciale. 

 Austrodecus glaciale, Hodgson, ' Discovery.' 



A large number of specimens of this species were taken 

 throughout the stay of the ' Gauss ' in winter-quarters. 



Austroraptus polaris. 

 Austroraptus polaris, Hodgson, * Discovery.' 



Described from two specimens from the Ross Sea, it now 

 turns up off Kaiser AVilhelm's Land. 

 10. ii. 02. 385 m. 



10* 



