170 Bvlletin Vanderbilt Marine Museum, Vol. VII 



Test: 



Primary Spines : 

 Length Width 



47 2.2 

 55 2.8 



55 3 

 44 2 



48 2.5 

 76 2.8 



56 2.8 

 46 2.1 

 50 2.5 



References: Dorocidaris abyssicola, Agassiz, A., Bull. Mus. 

 Comp. Zool., 1869, p. 253. — Mortensen, Th., Danish Ingolf 

 Exped., 1903, vol. IV, pt. I, Echinoidea, p. 34, pi. 9, fig. 14.— 

 Agassiz, A. and Clark, H. L., Mem. Mus. Comp. Zool, 1907, 

 vol. XXXIV, p. 7, pi. 12-A, figs. 1-5. 



Cidaris abyssicola, Mortensen, Th., Echinoidea Deutsche Sud- 

 Polar Exped., 1909, p. 54; Monogr. of Echinoidea, pt. I, 

 Cidaroidea, 1928, Copenhagen, p. 301, pi. 31, figs. 11-14, pi. 

 33, fig. 4. (Complete references and discussion). 



Group: Stylocidarina 



Genus: EUCIDARIS Pomel 



Eucidaris metularia (Lamarck) 



f 



Plate 64 



Type: Lamarck's first record of this species referred to the 

 much older Echinometra muscosa amboiensis Seba Mus. 3, t. 13, 

 fig. 10, also fig. 11 (Locwpletis-simus rerum naturalium thesauri 

 etc., Amsterdam, 1734-65) and stated: 



"Habite I'ocean des Grandes Indies, les cotes de Tile de France 

 celle de Sainte-Dominque, Mon cabinet. Elle est voisine de la prece- 

 dente, mais distincte." (Reference is made to Cidarites tribu- 

 loides, to which species his specimens obviously belong.) 



Distribution: This small urchin is well known throughout 

 the oriental tropics, from the Red Sea southward on the east coast 

 of Africa to Zanzibar and Mozambique and eastward through the 



