344 THE VOYAGE OF H.M.S. CHALLENGER. 



PLATE XXII. 



Fig. 1. Opliiacantha nodosa, Lym., below, f. 



2. „ „ above, f 



,, 3. ,, ,, an arm spine, \2_ 



,, 4. „ „ thorny stump from the disk, -j". 



,, 5. Astrotoma murrayi, Lym., below, f. 



6. „ „ above, f. 



,, 7. ,, ,, arm joints in profile, f. 



„ 8. Astroschenia tumidum, luym., below, j-. 



9. „ „ above, j-. 



,, 10. ,, „ arm joints in profile near base, -f-. 



,, IL ,, „ arm joints in profile near tip of arm, -f-. 



„ 12. ,, sallx, Lym., below f. (The apparent mouth papillae are too large, 



,, 13. ,, ,, and are only scattered grains ; so also in fig. 8). 



above f. (The granulation is too scattered.) 

 ,, 14. ,, „ arm joints near base of arm, f. 



,, 15. ,, ,, arm joints near tip of arm, f. 



PLATE XXIII. 



Fig. 1. Ophioconis antarctica, Lym., below, j-. 



2. „ „ above, f 



,, 3. „ ,, arm joints in jirofile, f. 



,, 4. ,, _pi</t'c?"H?c')ita., Lym., below, f-. 



5. „ „ above, f. 



,,6. ,, ,, arm joint in profile, f . 



,, 7. Pectiuura heros, Lym., below, f. 



8. „ „ above, f. 



,, 9. ,, ,, arm joints in profile, f. 



,, 10. ,, arenosa, Lym., below, {-. 



„ 11. „ „ above,!-. 



,, 12. ,, ,, arm joint in profile, 'J-. 



,, 13. Ophiojiholis japonica, Lym., below, ]-. 

 „ 14. „ „ above {-. 



„ 15. ,, „ arm joint in jjrofile, f. 



„ 16. Ophiochiton lentus, Lym., below, -f-. 

 „ 17. „ „ above, f. 



,, 18. ,, „ arm joint in profile, f. 



