R. Hat/ibiai — List of the Brazilian EcJiinoderms. 145 



(Prof. Emil Selenka, 1877). S. Carolina— Florida ; West Indies; 

 Mexico ; Bermudas (A. Ag.) 



Mellita testudinata Klein. 



Nat. Disp. Ech., 1734; A. Agass., Illust. Cat, No. VII, p. 141, 1872. 



Maranhao (Agassiz, Thayer Exp. ; O. A. Derby, 1870). Itaparica 

 and Cannavieiras, Prov. of Raliia (Ratlilran). Rio Doce and Itaba- 

 puana, Prov. of Espirito Santo (Hartt and Copeland, Thayer Exp.). 

 Vineyard Sound— Florida ; Texas; West Indies; Mexico; Cumana 

 (A. Ag.) 



Encope emarginata (Leske) Agass. 



Mon. Scut., p. 47, 1841; Verrill, Trans. Conn. Acad., i, p. 370, 1868; A. Agass., 

 Illust. Cat. No. VII, p. 126, 1872. 



Maranhao (Agassiz, Thayer Exp.). Pernambuco and Maria Farinha 

 (O. A. Derby, 1870; Geol. Comm.). Pernambuco (Belval). Bay of 

 Bahia, very abundant on sandy bottoms (Hartt, '67 ; Rathbun). Rio 

 Santo Antonio (Max. zu Neu Wied). Victoria; Ilhas de Santa Anna 

 (Hartt and Copeland, Thayer Exp.). Rio de Janeiro, very common 

 on sandy shores, near entrance to Bay, etc. (Agassiz, Thayer Exp. ; 

 Rathbun). Desterro (F. Mtiller). S. Carolina — Florida ; West Indies ; 

 Yucatan; Nicaragua; Cumana (A. Ag.). 



ASTERIOIDEA. 

 Asterias Atlantica Verriii. 



Trans. Conn. Acad., i, p. 368, 1868. 



Abrolhos Reefs (Hartt, '67). Only a single specimen of this 

 species, the one collected by Prof Hartt, has been recorded from 

 Brazil. Bermudas; Remedies, Cuba? (VeiT.) 



Leptasterias Harttii, sp. nov. 



A very small star-fish, with six rays. Rays elevated, nearly or 

 quite as high as broad, somewhat flattened below, but strongly and 

 regularly arched above, and regularly tapering to rather sharply 

 pointed tips. Disk small, its diameter equal to about one and one- 

 half times the width of the rays near base. Radii as 1 : 6 nearly, the 

 greater radius of the largest specimen examined being about 19""". 



Adambulacral spines rather slender-clavate toward base of ray, 

 but tapering somewhat farther out, placed regularly two to a plate, 

 those of the outer row slightly larger than the inner. Ventral spines 



