CONTENTS 



Introductory Remarks 



Family ASTROPECTINIDAE 



Genus Leptychaster Smith 



Subgenus Parastropecten Ludwig 



Leptychaster (Parastropecten) stellatus, new species . . p. 197 



Family BENTHOPECTINIDAE 



Genus Luidiaster Studer 



Luidiaster calif ornicus, new species p. 201 



Family LINCKIIDAE 



Genus Phatar'ta Gray 



Phataria mionactis, new species P- 206 



Genus Tamaria Gray 



Tamaria obstipa, new species P- 208 



Family ASTERIIDAE 



Genus Coronaster Perrier 



Coronaster marchenus, new species P- 210 



