﻿EXPLANATION 
  OF 
  PLATES 
  357 
  

  

  Plate 
  32.—CALLISTOCHITON, 
  MOPALIA, 
  DENDROCHITON. 
  ACANTHO- 
  

   CHITONA, 
  AND 
  ISCHNOCHITON 
  

  

  Figure 
  Page 
  

  

  1. 
  CaUistochiton 
  pahnulatus 
  Carpenter 
  in 
  Pilsbry 
  279 
  

  

  Holotype, 
  Redpath 
  Mus., 
  No. 
  48. 
  Length, 
  8 
  mm. 
  ; 
  width, 
  7 
  mm. 
  Specimen 
  with 
  

   3 
  plates 
  separated. 
  

  

  2. 
  Mopalia 
  imporcata 
  Carpenter 
  281 
  

  

  Syntype, 
  Redpath 
  Mus., 
  No. 
  57. 
  Six 
  plates. 
  Length, 
  18 
  mm.; 
  width, 
  5 
  mm. 
  Six 
  

   separate 
  plates. 
  

  

  3. 
  Dendrochiton 
  gothicus 
  (Carpenter) 
  284 
  

  

  Syntype, 
  Redpath 
  Mus., 
  No. 
  13. 
  Length, 
  4 
  mm. 
  ; 
  width, 
  2 
  mm. 
  Encrusted 
  with 
  

   Bryozoa. 
  

  

  4. 
  Acanthochitona 
  avicula 
  (Carpenter) 
  286 
  

  

  Holotype, 
  Redpath 
  Mus., 
  No. 
  72. 
  Length, 
  5 
  mm. 
  ; 
  width, 
  2 
  mm. 
  

  

  5. 
  Ischnochiton 
  serratus 
  Carpenter 
  275 
  

  

  Paratype, 
  Redpath 
  Mus., 
  No. 
  98. 
  Length, 
  8 
  mm. 
  ; 
  width, 
  7 
  mm. 
  

  

  6. 
  Mopalia 
  acuta 
  (Carpenter) 
  280 
  

  

  Holotype, 
  M. 
  "filosa" 
  Cpr. 
  MS. 
  =. 
  M. 
  fissa 
  Cpr. 
  in 
  Pilsbry, 
  Redpath 
  Mus., 
  No. 
  

   9. 
  Length, 
  10.8 
  mm. 
  ; 
  width, 
  9.6 
  mm. 
  

  

  