A. H. CLARK : THE CRINOJDS OF THE INDIAN OCEAN. 93 



Krst segments still remain; there are numerous obsolete cirrus sockets. Of the 

 IIIBr series those on two rays are typical, 2 exteriorly, 4 (3+4) interiorly; on a 

 third ray one of the outer series is 2, but the other three series are 4 (3-(-4); on 

 the remaining two rays all the series are 4 (3+4). All the other division series are 

 4 (3 + 4) as usual. This specimen may be exactly matched by others from the 

 Philippine Islands. 



The type of Carpenter's Acti.nuinHra duplex, which was obtained by the 

 "Challenger" at Banda, proves to be only a young specimen of schhgelii. 



Subgenus Comanthu.s. 



Coumiithu-s lyoy. A. H. Clark, Vidensk, Medd. fra den naturhist. Forening i 

 Kobenhavn, 1909, p. 142 (Comanthus intricata A. H. Clark, 1909). 



Specific Croup Bennettia. 



Guldfussia 1891. Nor.man, Ann. and Mag. Nat. Hist. (6), vol. 7, p. 387 (preoccu- 

 pied). 



Bennettia 1909. A. H. Clark, Vidensk. Medd. fra den naturhist. Forening i 

 Kobenhavn, 1909, p. 142 (Alecto benuetti J. Miiller, 1841). 



COMANTHUS BENNETTI. 



Cuniatuki nmltiradiala (part) 1816. La.marck, Hist. nat. des animaux sans verteb 

 res, vol. 2, \). 533. 



Voinatula multiradiala 1832. Goldeuss. Petrefacta Germanite, vol. 1 p. 202 

 pi. Ixi, fig. 2, a-s. 



Alecto bennetti 1841. J. MiJLLER, Archiv fiir Naturgesch., 1841, i, p. 146. 



Actinometra peronii 1881. P. H. Carpenter, Notes from the Leyden Museum, 

 vol. 3, p. 214. 



Acthiometra brachymem (Liitken, MS.) 1891. Hartlaub, Nova Acta Acad. Ger- 

 man., vol. 58, No. I, p. 95. 



Actinometra robustipinna 1895. K(Ehler, Rev. suisse zool., vol. 3, p. 290. 



Actinometra grandicalyx 1899. Bell, VVilley's Zoological Results, part 2, p. 134. 



Cunianthiis (Comanthus) bennetti 1909. A. H. Clark, Vidensk. Medd. fra den 

 naturhist. Forening i Kobenhavn, 1909, p. 147. 

 Localities. — Table Islami, Amlatnan Sea ; 15-35 fathoms. — Three magnificent 



specimens ; one has seventy-eight arms 160 mm. long and cirri XX, 32 — 35, 40 



mm. to 50 mm. long; the centrodorsal is large and hemispherical, 11 mm. in 



diameter, the bare dorsal pole being 5 mm. in diameter, strongly concave ; the 



disk is 40 mm. in diameter, and bears calcareous nodules about the anal tube; 



the mouth is marginal and radial ; the anal area is very large ; the anal tube is 



central. A similar specimen has seventy-six arms 140 mm. long, and cirri XXX, 



29—31, 40 mm. long ; the disk is 30 mm. in diameter, with aninterradialmoutli ; 



the anal tube is covered with calcareous concretions. The third specimen has 



