128 " ENDEAVOUR " SCIENTIFIC RESULTS. 



ACANTHODES ARMATUS, de HttCin. 



(Plates xxxi.-xxxii., fig. 1 and Fig. 3.) 



Cancer (Ac.anthodes) armaius, de Haau, Fauna Japon. 

 Crust., 1835, p. 52, pi. B (part), pi. iv. Dofleiu, 

 Abh. k. bayer. Akad. Wiss., Cl. ii., xxi., 1902, 

 p. 661, pi. ii. 



Fig. 3. Abdomen of Acanthodes annntus, male. 



South-west of Eucla, long 126^ E., Great Australian 

 Bight, 130-190 fathoms; E.3674; one male; carapace, 

 length 34.3 mm., width 38.1 mm. 



South-west of Eucla, about long. 127 E., Great Aus- 

 tralian Bight, 80-120 fathoms; E.3664-; one young female; 

 carapace, length 19.4 mm., width 21.5 mm. 



Sixty to eighty miles west from Eucla, Great Australian 

 Bight, 80-120 fathoms; E.3179; one young male; carapace, 

 length 16.3 mm., width 18.8 mm. 



The measurements do not include spines. 



The smallest crab is very hairy and Pilumnus-like; hairs 

 long and numerous, without concealing the surface. The 

 hairs lessen with the growth of the animal, and in the 

 larger male are rather scanty on the carapace. On the 

 antero-lateral margin there are four long primary spines, 

 the first of which is at the orbital angle ; in the interspaces 

 are three .shorter spines, the first one a little below the 

 marginal line. Above and subparallel to this row there 

 is an irregular row of seven spines of which the first is 

 near the orbit, the second is below the line, the fourth is 

 largest, the seventh is opposite the post-lateral margin. In 



