Proceeuiugs TJ. S. Xatioiiai Museum, Vol. X, 1887.— Katlibuu. 



PLATE XXIII, 



Heliaster microbrachia, Xantus. Type specimen, from Cape St. Lucas. Lower California. Collected by- 

 John Xantus. Abactinal view ; I natural size. (p. 441.) 



