/O SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 6 1 



ened, and tapers evenly to a flagellate and delicate tip, exactly resem- 

 bling- P 2 in L. protectus; it is composed of from sixteen to twenty- 

 one segments, of which the third is about as long as broad and the 

 distal are twice as long as broad ; it is about one-half again as long 

 as P x . P 3 is about as long as P 1 , but is slightly stouter and tapers 

 less rapidly, more nearly resembling P 2 ; it is composed of sixteen 

 segments. The following pinnules are small and weak. 



ANTEDON FIELDI Bell 

 Antedon Heidi 1894. Bell, Proc. Zool. Soc. London, 1894, p. 401 (1). 



1. Macclesfield Bank; 22-30 fathoms. — One specimen ; this appears 

 to be a small species belonging to some genus of Mariametridae or 

 Colobometridse ; there are strong transverse ridges on the cirrus 

 segments. 



2. Macclesfield Bank; 13 fathoms. — One similar specimen. 



Family TROPIOMETRIM: A. H. Clark 

 ? TROPIOMETRA species 

 Antedon adeonce 1884. Bell, "Alert" Report, p. 156 (1). 



1. Port Molle, Queensland; 12-20 fathoms; "Alert." — One speci- 

 men of what appears to be a new species of Tropiometra character- 

 ized by very slender cirri. 



2. " Alert " Station No. 87. — One similar specimen. 



Family THALASSOMETRID^ A. H. Clark 

 THALASSOMETRA species 



i. Northwest of Sokotra (14° 20' N. lat., 52 50' E. long.) ; 1200 

 fathoms; Cable-repair Ship " Electra" ; y/io/'op. — One very frag- 

 mentary specimen of a new species of Thalassometra; the long and 

 numerous spines on the calyx and arm bases suggest an affinity with 

 TJi. bispinosa. 



Family CHARITOMETRID.E A. H. Clark 



PACHYLOMETRA species 



i. Northwest of Sokotra (14° 20' N. lat., 52 30' E. long.) ; 1200 

 fathoms; Cable-repair Ship "Electra"; y/io/'oo. — One large speci- 

 men with twelve arms, the IIBr series being 4(3 + 4); the cirri are 

 long ; the calyx and arm bases are fairly smooth. 



