Bulletin, Vanderbilt Marine Museum, Vol. VII Plate 12. 



Veretillum vanderbilti Boone, type: a, group of siphonozooids, X 20; 

 b, an expanded autozooid, x 20; c, transverse and longitudinal sections of 

 axis, x4; d, spicules, sphaeroidal and ovoidal bodies from cortex of antho- 

 codia, X 50; e, spicules from cortex of rachis, irregular, rosette disks with 

 nodular excrescences; f, single and double stellate spicules from cortex of 

 anthocodia, X 50; g, needle-like spicules from the cortex of anthocodia and 

 cortex of rachis also stellate spicules from rachis, all X 50. 



