PLATE XLIV. 



FIG. I. Pisaster brevispinus (Stimpson) Verrill. Dorsal view; about Yz 



natural size. No. 1820, Mus. Comp. Zool. 

 FIG. 2. The same specimen. Dorsal view of a part of the disk, including the 



madreporic plate ; X 2%. 



(90) 



