PLATE XXXI. 



Figs. 1-4. Antedon tenella, Ketz., sp. 



Diain. Page 



Fig. 1. A " Porcupine " specimen, . . . . x 4 170 



Fig. 2. Portion of an arm of an individual from the West Atlantic 



("Blake"), . . . • • • . x 6 170 



Fig. 3. Cirrus of a " Porcupine " specimen, . . . x 6 170 



Fig. 4. Cirrus of a " Blake " specimen, . . . . . x 6 170 



Fig. 5. Antedon hirstjta, n. sp. 

 Fig. 5. Side view, . . . . . . . x 4 188 



Fig. 6. Antedon l^evis, n. sp. 

 Fig. 6. Side view, . . . . . . . x 4 187 



