NO. 3 deichmann: holothurioidea; part i, dendrochirota 87 



pletely lacking. Feet with large end plate and a va^'ing number of mostly 

 spectacle-shaped rods, often with 4 central holes incomplete or complete, 

 and a number of smaller holes in the ends. Introvert with a few tables. 

 Tentacles with curved perforated plates and rods. Color black, rarely 

 brown with pale underside. 



Type. — Possibly in Germany. 



Type locality. — Coast of one of the islands in the Gulf of Panama. 

 A single specimen secured. 



Distribution. — From Ecuador and Galapagos to L. Calif. 



Depth. — Shore to 40 fms. 



Specimens examined. — The following from the Allan Hancock Expe- 

 ditions : 

 73-33. North Beach, Cartago Bay, Albemarle Island, Galapagos, 



shore, February 13, 1933, 22 specimens. 

 80-33. Smitty's Shore, Duncan Island, Galapagos, shore, February 15, 



1933, 15 specimens. 



132-34. Braithwaite Bay, Socorro Island, Mex., 40 fms., January 4, 



1934, 13 young specimens. 



189-34. Cartago Bay, Albemarle Island, Galapagos, shore, January 25, 



1934, 5 specimens. 



315-35. Indefatigable Island, opposite Gordon Rocks, coral, 1-2 fms., 



December 8, 1934, 3 specimens. 

 401-35. Manta, Ecuador, below first rocky point, 1 fm., January 19, 



1935, 5 specimens. 



464-35. Playa Blanca, Costa Rica, 2 clumps of coral, south shore of bay, 

 shore, February 8, 1935, 2 specimens. 



467-35. Parker Bay, Costa Rica, rock and algae, 2 fms., February 9, 

 1935, 2 specimens. 



473-35. Parker Bay, Costa Rica, coral, 2 fms., February 9, 1935, 39 

 specimens. 



596-36. Port Escondido, L. Calif., 20 fms., March 16, 1936, 1 speci- 

 men. 



683-37. Outside of Concepcion Bay, L. Calif., Mex., 12 fms., March 

 15, 1937, 17 specimens. 



784-38. Darwin Bay, Tower Island, Galapagos, Middle Beach, shore, 

 January 17, 1938, 7 specimens. 

 Also several from the Zaca expedition, 1938. 

 Remarks. — Apparently one of the most common forms in the Pan- 



amic region. 



