178 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL.8 



PLATE 22 



Neothyone gibbosa, new species p. 113 



1-3. Large deformed supporting tables from dorsal feet 

 of large individual from San Felipe, Gulf of Cali- 

 fornia. 

 4. Basketlike buttons from outer layer of integument 

 (rare). 



5-6. ICnobbed buttons from inner layer of integument. 



7. Small smooth supporting plate from ventral tube foot. 



8. Table from introvert (disk obviously somewhat re- 

 duced through reduction along the margin). 



Pachythyone pseudolugubris, new species p. 116 



9-10. Supporting tables from tube foot, dorsal and ventral, 

 respectively, from large individuals from San Felipo, 

 Gulf of California. 



