PLATE LIV. 



Page 



Figs. 1-7. Leptogonaster cristatus, n. sp. . . . 327 



Fig. 1. Abactinal aspect; magnified 1^ diameters. 



Fig. 2. Actinal aspect ; magnified 1^ diameters. 



Fi°\ 3. A portion of the abactinal surface; magnified 15 diameters. 



Fi"\ 4. Adambulacral plates and adjacent portion of the actinal surface; magni- 

 fied 8 diameters. 



Fig. 5. The extremity of a ray; magnified. 



Fig. 6. One of the pincer-shaped pedicellariae on the abactinal surface, seen in 

 profile ; magnified. 



Fig. 7. One of the tubercle-like valvate pedicellarise on the plates adjacent to the 

 adambulacral plates, seen in profile ; magnified. 



