JR. JRcithbun — List of the Brazilian Echinoderms. 
145 
(Prof. Emil Selenka, 1877). S. Carolina — Florida; West Indies; 
Mexico ; Bermudas (A. A g-) 
Mellita testudinata Klein. 
Nat. Disp. Ech., 1734; A. Agass., Illust. Cat., No. YII, p. 141, 1872. 
Maranhao (Agassiz, Thayer Exp. ; O. A. Derby, 1870). Itaparica 
and Canuavieiras, Prov. of Bahia (Rathbun). 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. Acacl., i, p. 370, 1868; A. Agass., 
Illust. Cat., No. YII, 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. Muller). S. Carolina — Florida; West Indies; 
Yucatan; Nicaragua; Cumana (A. Ag.). 
ASTERIOIDEA. 
Asterias Atlantica Yerrili. 
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 ? (Verr.) 
Leptasterias Harttii, sp. nov. 
A verv 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 I!)" 11 ". 
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 t han the inner. Ventral spines 
