446 Dr. E. A. Andrews on a new Species of Phoronis. 



The animal fits tightly in the tube and cannot be easily- 

 removed ; its length (in imperfect specimens) is about 50 



Fig. 1. — View of tube and branchial end of animal. The sand is removed 

 from part of the tube, from which the animal projects. The 

 branchias are artificially separated, to show the two large spoon- 

 shaped organs and the papilla bearing the anal and nephridial 

 openings. Camera drawing, Zeiss 4 a. The brcmchice should be 

 much shorter on the abanal or oral aspect ! 



millim. and greatest diameter about 1 millim., while the 

 branchise have a length of perhaps 1^ millim. 



The tentacles are about sixty and arranged in a simple 



