PLATE XLV. 



Page 

 Figs. 1, 2. Luidia AFRICANA, u. sp. . . . 256 



Fig. 1. A portion of the abactinal surface; magnified 15 diameters. 



Fig. 2. Adambulacral and infero-marginal plates ; magnified 6 diameters. 



[For macroscopic figures of this species see PL XLIV. figs. 1, 2.] 



Figs. 3, 4. Luidia longispina, n. sp. . . . . 254 



Fig. 3. A portion of the abactinal surface ; magnified 20 diameters. 



Fig. 4. Adambulacral and infero-marginal plates ; magnified 10 diameters. 



[For macroscopic figures of this species see PI. XLUI. figs. 3, 4.] 



Figs. 5, 6. Luidia forficifer, n. sp 258 



Fig. 5. A portion of the abactinal surface; magnified 15 diameters. 



Fig. 6. Adambulacral and infero-marginal plates ; magnified 15 diameters. 



[For macroscopic figures of this species see PI. XLIV. figs. 5, 6.] 



Figs. 7, 8. Luidia limbata, n. sp. . . . .251 



Fig. 7. A portion of the abactinal surface; magnified 15 diameters. 



Fig. 8. Adambulacral and infero-marginal plates; magnified 10 diameters. 



[For macroscopic figures of this species see PI. XLIV. figs. 3, 4.] 



Figs. 9, 10. Luidia aspera, n. sp. . . . • 248 



Fig. 9. A portion of the abactinal surface; magnified 10 diameters. 



Fig. 10. Adambulacral and infero-marginal plates ; maguified 8 diameters. 



[For macroscopic figures of this species see PI. XLIII. figs. 1, 2.] 



