216 ECHINODERMA OF THE InDTAN MttSETTM, PART VII. 



PACHYLOMETRA DTSTTXCTA. 



Antedon distinrta ISSS. P. H. Carpenter " riialleiifipr" Reports, vol. 26, 



Zoology, p. 247, pi. H, %. 1. 

 Pnrhylometra diafinrta 190n. A. H. Clark, Proc^. Riol. Soc. Waf?liington, vol. 



22, p. 21. 



Habitat. — Philippine Island.«i. 



Depth.— 279-423 fathoms. 



PACHYLOMETRA ANGUSTICALYX. 



Antedo7i anquMirnhix 1SS8. P. H. Carpenter, "Challenger" Reports, vol. 26, 



Zoology, p. 242, pi. ii, figs. 4 a-d : pi. 1, figs. I, 2: fig. 5B, p. 246. 

 ParhyJometra angnstirnJyx 1909. A. H. Clark, Proc. Biol. Soc. Washington, 



vol. 22, p. 21. 



Habitat. — Meangis Islands. 



Depth. — 500 fathoms. 



PACHYLOMETRA TN/KQUALTS. 



Antedon inreqiiah'/^ 1S8S. P. H. Carpenter, "Challenger" Reports vol. 26, 



Zoology, p. 244, pi. ii, figs 5 n-d : pi. l\. fig. 2; fig. 5A, p. 246. 

 ParhyJometra inrpqualis 1909. A. H. Clark, Proc. Biol. Soc. Washington, vol. 



22, p. 21. 



Habitat. — ^Fiji. 



Depth. — Between 210 and 610 fathoms. 



PACHYLOMETRA SCLATERI. 



Avtedon sdateri 1905. Bell, Marine Investigations in Sontli Africa, vol.3, 



p. 140, pi. iii. 

 PachyJomeira srJaleri 1909. A. H. Clark, Proc. Biol. Soo. Washington, vol. 22, 



p. 21. 



Habitat. — South Africa. 



Depth.— 250-300 fathoms. 



PACHYLOMETRA TNVESTIQATORIS. 



PachyloiiiPtra invp.sfigatnn's 1909. .\. H. Clark, Proc. Biol. Soc. Washington, 



vol. 22, p. S2. 



Descrtption.— Centrodorsal a truncated cone, 7 ram. broad at the base and 

 5 mm. high, the cirrus sockets arranged in two columns of from three to five each 

 in each radial area, the two columns of each area separated by a narrow median 

 line not quite so broad basally as the cirrus sockets, distally narrowing and ending 



