REPORT ON THE ECHINOIDEA. 313 



Fig. 17. Pourtalesia ceratopyga, large-headed, coarsely-reticulated pediceUaria (PI. XLV. 



figs. 57, 58). 

 „ 18. Pourtalesia ceratopyga, Clypeastroid-like pedicellaria (PI. XLV. fig. 53). 

 iq .. small large-headed pedicellaria (PI. XLV. fig. 59). 



20. „ younger stage of same. 



21. „ „ rudimentary spine. 



22. ,, „ rudimentary spine. 



oq tip of flattened interambulacral spine. 



24. Pourtalesia carinata, large-headed, hooked pedicellaria (PI. XLV. figs. 46, 47). 



25. ,, „ four-valved pedicellaria. 



26. Aceste bellidifera, large, short-stemmed, single-hooked pedicellaria (PI. XLII. 



fig. 45). 



27. Aceste bellidifera, small, short-headed pedicellaria (PL XLV. fig. 46). 



28. „ small-based, long-pronged, pedicellaria. 



PLATE XLIII. 



Pedicellaria (figs. 1-26). 



Fig. 1. Phormosoma hoplacantha, one of the large cup-bearing pedicellaria (PL XLIV. 



fig. 29). 



2. Asthenosoma gruhii, long-stemmed, small-headed pedicellaria. 



3. Echinolamp)as oviformis, ClyiDcastroid-like pedicellaria (PL XLIV. fig. 41). 



4. Echinolampas oviformis, dig"erent view of same Clypeastroid-hke pedicellaria 



(PL XLIV. fig. 41). 



5. Echinolampas oviformis, slender-pronged tridactyle pedicellaria. 



6. Linopneustes murrayi, large-headed pedicellaria (PL XLV. fig. 11). 

 '[7 ^^ ,, large-headed pedicellaria (PL XLV. fig. 13). 



g_ ^^ „ short-headed, long-stemmed pedicellaria (PL XLV. fig. 14). 



9. Cystechimts vesica, large-headed pediceUaria (PL XLV. fig. 36). 

 10. ,, ,, long-headed pediceUaria. 



11_ ^^ „ long-headed pedicellaria somewhat older. 



12. „ „ Cl>TDeastroid-hke pediceUaria (PL XLV. fig. 35). 



13. Genicopatagus affinis, large-headed pediceUaria (PL XLV. figs. 20, 20'). 



14. Echinocrepis cuneata, large-headed pediceUaria (PL XLV. figs. 44, 45). 



15. Pourtalesia ceratopyga, large-headed pediceUaria (PL XLV. figs. 57, 58). 



' \Q_ „ „ large Clypeastroid-like pedicellaria (PL XLV. fig. 53). 



"17 " smaU ClyiJeastroid-Uke pediceUaria (PL XLV. fig. 54). 



" " T 40 



(ZOOL. CHALL. EXP. PART IX. 1881.) 



