﻿PLATE 
  17. 
  

   Leather-back 
  Ttjrtle, 
  Dermochelys 
  coriacea 
  (Linne). 
  

  

  Fig. 
  1. 
  Side 
  view 
  of 
  a 
  female 
  taken 
  near 
  Block 
  Island, 
  R. 
  L 
  (Courtesy 
  of 
  American 
  Museum 
  of 
  Natural 
  

  

  History.) 
  J. 
  D. 
  Figgins, 
  phot. 
  

   Fig. 
  2. 
  Ventral 
  view 
  of 
  a 
  cast 
  of 
  a 
  male. 
  (Courtesy 
  of 
  American 
  Museum 
  of 
  Natural 
  History.) 
  

   Fig. 
  3. 
  View 
  of 
  head, 
  showing 
  spines 
  in 
  the 
  mouth, 
  of 
  the 
  specimen 
  captured 
  off 
  Block 
  Island, 
  R. 
  L 
  (Courtesy 
  

  

  of 
  American 
  Museum 
  of 
  Natural 
  History.) 
  J. 
  D. 
  Figgins, 
  phot. 
  

   Fig. 
  4. 
  Plastron 
  of 
  a 
  female, 
  captured 
  on 
  the 
  New 
  Jersey 
  coast, 
  showing 
  the 
  marbling 
  with 
  wliite. 
  (Courtesy 
  

  

  of 
  Brooklyn 
  Museum 
  of 
  Arts 
  and 
  Sciences.) 
  R. 
  C. 
  Miu-phy, 
  phot. 
  

  

  