NO. 10 CRINOIDS OF HAMBURG MUSEUM CLARK IO. 



CRASPEDOMETRA ACUTICIRRA (P. H. Carpenter) 



Antcdon acuticirra 1882. P. H. Carpenter, Journ. Linn. Soc. (Zool.), vol. 



16, p. 509 (1). 

 Antedon australis 1882. P. H. Carpenter, Journ. Linn. Soc. (Zool.), vol. 



16, p. 510. 

 Antcdon ludovici 1882. P. H. Carpenter, Journ. Linn. Soc. (Zool.), vol. 



16, p. 510 (2). — 1891. Hartlaub, Nova Acta Acad. German., vol. 58, 



No. 1, p. 29 (1, 2, 3). 

 Antcdon bipartipinna 1882. P. II. Carpenter, Journ. Linn. Soc. (Zool.), 



vol. 16, p. 512 (3). 



1. A T o Locality. — One specimen; there are twenty-six arms; the 

 synarthrial tubercles are rather prominent ; the distal edges of the 

 brachials are rather strongly overlapping. This example is just like 

 others which I have seen from the Andaman Islands and from other 

 localities. 



2. Hong Kong. — One specimen, undoubtedly representing the same 

 species as the preceding. 



3. Hong Kong. — One specimen with slightly smoother arms than 

 the type of acuticirra (No. 1) but undoubtedly of the same species; 

 the development of the synarthrial tubercles is similar; the specimen 

 is rather smaller, and is purple in color. 



Family STEPHANOMETRIDJE 

 STEPHANOMETRA ECHINUS (A. H. Clark) 



Himerometra echinus 1908. A. H. Clark, Smiths. Miscell. Coll. (Quarterly 



Issue), vol. 52, part 2, p. 218. 

 Stcphanomctra coronata 1909. A. H. Clark, Proc. U. S. Nat. Mus., vol. 36, 



p. 639. 



I. No Locality. — Arm fragments. 



STEPHANOMETRA OXYACANTHA (Hartlaub) 



Antedon oxyacantha 1S90. Hartlaub, Nachr. Ges. Gottingen, Mai, 1890, 

 p. 178 (1).— 1891. Nova Acta Acad. German., vol. 58, No. 1, p. 55. P'- 3, 

 figs. 35, 37 CO- 

 I. Amboina; Dr. J. Brock. — One specimen with thirty arms 140 

 mm. long; the centrodorsal is low hemispherical, 6 mm. in basal 

 diameter ; the dorsal pole is small, flat, 2.5 mm. in diameter ; the cirrus 

 sockets are arranged in three closely crowded irregular rows ; the cirri 

 resemble those of 5. monacantha or S. tuberculata; the longer prox- 

 imal segments are twice as long as broad or slightly longer ; those in 

 the outer third or half of the cirri are about as long as broad; this is 

 a more robust form that S. tuberculata or S. monacantha, and P 2 , P 3 



