REPORT OF THE DIRECTOR I915 



139 



19130^ The Use of the Stereogram in Paleobiology. 



N. Y. State Mus. Bui. 164, p. 103-30. 



1913& Does the Type of Protopalaeaster narra- 



wayi Present an Oral or Aboral Aspect? 



Ottawa Naturalist, v. 27 (Oct.) 

 Raymond, P, E. 1912 On the Nature of the So-called " Covering- 

 plates " in Protopalaeaster narrawayi. 



Ottawa Naturalist, v. 26, p. 105-8, pi. 6 



(Dec.) 

 Schuchert, C. 1915 Revision of Paleozoic Stelleroidea. U. S. 



Nat. Mus. Bui. 88 (March 20) 

 Spencer, W. K. 1914 A Monograph of the British Palaeozoic 



Asteroidea. Pt i, p. 1-56; pi. i. 



