﻿SEMIONOTID^E. 
  121 
  

  

  P. 
  5534 
  a, 
  b. 
  Two 
  type 
  scales 
  described, 
  loc. 
  cit. 
  1888 
  ; 
  Bahia. 
  

  

  Presented 
  by 
  Joseph 
  Mawson, 
  Esq., 
  1888. 
  

  

  P. 
  410, 
  P. 
  412, 
  P. 
  2280. 
  Series 
  of 
  detached 
  scales 
  and 
  teeth; 
  

   Plataforma, 
  Bahia. 
  

  

  Presented 
  by 
  Joseph 
  Mawson, 
  Esq., 
  1881, 
  1882. 
  

  

  P. 
  7112. 
  Twelve 
  scales 
  and 
  two 
  head-bones 
  ; 
  from 
  beach 
  between 
  

   Plataforma 
  and 
  Itacaranha. 
  

  

  Presented 
  by 
  Joseph 
  Mawson, 
  Esq., 
  1893. 
  

  

  P. 
  7113. 
  Scales 
  ; 
  Itacaranha. 
  

  

  Presented 
  by 
  Joseph 
  Mawson, 
  Esq., 
  1893. 
  

  

  P. 
  7114. 
  Scales 
  ; 
  Pedra 
  Furada 
  Bay, 
  Montserrat. 
  

  

  Presented 
  by 
  Joseph 
  Maivson, 
  Esq., 
  1893. 
  

  

  P. 
  7118. 
  Scales 
  ; 
  various 
  localities 
  near 
  Bahia. 
  

  

  Presented 
  by 
  Joseph 
  Mawson, 
  Esq., 
  1893. 
  

  

  P. 
  7341. 
  Thirteen 
  scales 
  figured 
  in 
  Quart. 
  Journ. 
  Geol. 
  Soc. 
  vol. 
  xvi. 
  

   pi. 
  xiv. 
  figs. 
  6-12, 
  pi. 
  xv. 
  figs. 
  1-4, 
  pi. 
  xvi. 
  figs. 
  10-12. 
  

  

  Presented 
  by 
  Samuel 
  AUport, 
  Esq., 
  1894. 
  

  

  P. 
  7343. 
  Scales 
  ; 
  Bahia. 
  Presented 
  by 
  Samuel 
  AUport, 
  Esq., 
  1894. 
  

  

  P. 
  7340. 
  Head-bone 
  figured 
  as 
  a 
  crocodilian 
  scute, 
  loc. 
  cit. 
  1860, 
  

   pi. 
  xvi. 
  fig. 
  9 
  ; 
  Bahia. 
  

  

  Presented 
  by 
  Samuel 
  AUport, 
  Esq., 
  1894. 
  

  

  P. 
  7342. 
  Five 
  head-bones 
  ; 
  Bahia. 
  

  

  Presented 
  by 
  Samuel 
  AUport, 
  Esq., 
  1894. 
  

  

  P. 
  7344. 
  Hyomandibular, 
  remarkable 
  for 
  the 
  thin 
  laminar 
  expan- 
  

   sion 
  of 
  its 
  hinder 
  margin 
  below 
  the 
  upper 
  articulation 
  ; 
  

   Bahia. 
  Presented 
  by 
  Samuel 
  AUport, 
  Esq., 
  1894. 
  

  

  Lepidotus 
  (?) 
  pustulatus, 
  sp. 
  nov. 
  

   [Plate 
  YIII. 
  fig. 
  1.] 
  

  

  Type. 
  Associated 
  scales 
  ; 
  British 
  Museum. 
  

  

  A 
  large 
  species 
  known 
  only 
  by 
  scales, 
  some 
  of 
  which 
  measure 
  

   0*035 
  in 
  length 
  in 
  their 
  exposed 
  portion. 
  Scales 
  moderately 
  robust, 
  

   with 
  a 
  thin 
  and 
  sometimes 
  discontinuous 
  layer 
  of 
  enamel, 
  marked 
  

   with 
  irregularly-arranged, 
  large, 
  round 
  shallow 
  pits 
  ; 
  principal 
  

   flank-scales 
  exhibiting 
  a 
  few 
  broad 
  ridges 
  and 
  furrows 
  radiating 
  

   from 
  the 
  centre 
  to 
  the 
  hinder 
  border, 
  where 
  they 
  form 
  feeble 
  (limi- 
  

   tations 
  ; 
  several 
  scales 
  much 
  broader 
  than 
  deep. 
  

  

  Form. 
  Sf 
  Loc. 
  Cenomanian 
  : 
  Kent. 
  

  

  