REPORT ON THE ASTEROIDEA. 265 



Scandinavia, Britain, and the United States. Pentagonaster pla- 

 centa, in the Mediterranean and Adriatic. Pentagonaster mirabilis, 

 in the Gulf of Smyrna (I am in great doubt as to the distinctness 

 of this form from Pentagonaster placenta). * Pentagonaster semi- 

 lunatus, off the coast of Senegal and off the Cape Verde Islands, 

 passing thence to Brazil, and extending northward to South Caro- 

 lina. It is also recorded from Zanzibar, Celebes, and China. Pen- 

 tagonaster crassus, Pentagonaster deplasi, Pentagonaster gosselini, 

 and Pentagonaster perrieri ( = Pentagonaster grandis, Perrier), 1 off 

 the coa<t of Morocco. Pentagonaster gosselini is also found off 

 the Canaries and off the Azores, and Pentagonaster perrieri off the 

 Azores. * Pentagonaster lepidus, Pentagonaster fallax, and Penta- 

 gonaster (?) elongatus, off the Azores, Pentagonaster vincenti, off the 

 Canaries, and Pentagonaster hsesitans, off Cape Ghir. The following 

 series of species are all from the West Indian area and Gulf of Mexico : 

 Pentagonaster parvus, Pentagonaster grenadensis, Pentagonaster 

 dentatus, Pentagonaster affinis, Pentagonaster (?) alexandri, and 

 Pentagonaster intermedins. (I am doubtful as to the accuracy of refer- 

 ring Perrier's three species, Pentagonaster alexandri, Pentagonaster 

 elongatus, and Pentagonaster intermedins to Pentagonaster as now de- 

 fined. It seems to me not improbable that the first will prove to belong 

 to the genus N y mphaster, and the second perhaps to Paragonaster.) 

 * Pentagonaster patagonicus , off the eastern coast of South America, near 

 the Atlantic entrance to the Strait of Magellan ; and it is also found 

 on the Pacific side of the Strait near the entrance to Smyth Channel. 

 Pacific : Nine species between the parallels of 40° N. and 55° S. 



Pentagonaster semilunatus, off the coast of China, being also found 

 in the Atlantic off the coasts of Brazil, South Carolina, and Senegal. 

 '"Pentagonaster japonicus and 4t Pentagonaster arcuatus, off the coast 

 of Japan. Pentagonaster (?) fonki, off the coast of Chili. Penta- 

 gonaster (?) belli and * Pentagonaster patagonicus, in the Strait of 



1 Professor Perrier has described {Ann. Set. Nat. (Zool.), 1885, t. xix., Art. No. 8, p. 35), under the name 

 of Pentagonaster grandis, a new species represented by a large series of specimens dredged during the " Talisman " 

 Expedition off the coasts of Morocco, the Sahara, and the Azores. Unfortunately the name " grandis " is already 

 appropriated to another species of Pentagonaster, from Western Australia, described by Gray in 1847, under the 

 name of Tosia grandis (Proc. Zool. Soc. Lond., 1847, p. 80; Synop. Spec. Starf. Brit. Mus. 1866, p. 11, pi. 3, 

 fig. 1). The type of Gray's species is in the British Museum. As Perrier's form appears from the short de- 

 scription given to be clearly distinct, and as the locality and conditions of existence would lead to the same 

 inference, it seems to me necessary that the name should be changed to avoid confusion. I have therefore 

 substituted that of Pentagonaster perrieri for the West African species, under the conviction that the form can 

 bsar no more appropriate name than that of its able describer. 



(zool. ohall. exp. — PART LI. — 1888.) 34 



