﻿TELLINA. 
  Panama 
  jShells. 
  509 
  

  

  pure 
  white 
  beaks 
  ; 
  within 
  of 
  a 
  very 
  deep 
  red 
  : 
  shining 
  ; 
  with 
  

   deep 
  crowded 
  regular 
  concentric 
  sulci, 
  which 
  are 
  of 
  equal 
  depth 
  

   at 
  both 
  extremities 
  : 
  beaks 
  prominent 
  : 
  ligament 
  short, 
  conspi- 
  

   cuous 
  : 
  with 
  a 
  long 
  posterior 
  dorsal 
  area 
  well 
  defined 
  by 
  an 
  

   angle: 
  lateral 
  teeth 
  nearly 
  obsolete. 
  The 
  difference 
  between 
  

   this 
  shell 
  and 
  T. 
  punicea 
  is 
  slight 
  : 
  its 
  furrows 
  are 
  deeper 
  and 
  

   are 
  continued 
  over 
  the 
  flexure 
  without 
  change 
  of 
  depth 
  ; 
  the 
  

   interspaces 
  are 
  less 
  flattened, 
  and 
  the 
  lateral 
  teeth 
  are 
  nearly 
  

   obsolete. 
  

  

  Length 
  1.13 
  inch; 
  height 
  .7 
  inch; 
  breadth 
  .3 
  inch. 
  

  

  Station. 
  — 
  In 
  sandy 
  mud 
  at 
  10 
  fathoms 
  : 
  Cuming 
  ! 
  Hanley. 
  

  

  Habitat. 
  — 
  Xipixapi; 
  Cuming! 
  Hanley. 
  

  

  Panama 
  ; 
  C, 
  B. 
  A. 
  I 
  

   1 
  valve 
  was 
  found. 
  

  

  472. 
  Tellina 
  sincera. 
  

  

  Synonymy. 
  

  

  Tellina 
  sincera 
  Hanley 
  in 
  Proc. 
  Zool. 
  Soc. 
  Lond. 
  p. 
  68. 
  Apr. 
  1844 
  

  

  Hanley 
  in 
  Thes. 
  Conch, 
  p. 
  261. 
  No. 
  YO. 
  

  

  pi. 
  60. 
  f. 
  144. 
  184(5. 
  

  

  Station. 
  — 
  Unknown. 
  

  

  Habitat 
  — 
  N. 
  W. 
  Coast 
  of 
  America 
  (Dr. 
  Sinclair) 
  ; 
  Hanley 
  in 
  

   Thesaurus. 
  

   Panama 
  ; 
  C. 
  B. 
  A, 
  ! 
  

   15 
  specimens 
  were 
  obtained 
  on 
  the 
  beach 
  west 
  of 
  the 
  town. 
  

  

  473. 
  Tellina 
  Ticina. 
  Nov. 
  sp. 
  

  

  Shell 
  very 
  short, 
  subovate, 
  solid, 
  convex, 
  subequilaterah 
  

   ventral 
  margin 
  well 
  excurved, 
  sometimes 
  slightly 
  incurved 
  near 
  

   the 
  flexure 
  ; 
  anterior 
  margin 
  broadly 
  rounded 
  ; 
  anterior 
  and 
  

   posterior 
  dorsal 
  margins 
  nearly 
  straight, 
  sloping; 
  posterior 
  

   extremity 
  subtruncated 
  ; 
  flexure 
  moderate 
  : 
  dingy 
  white, 
  some- 
  

   times 
  tinged 
  with 
  yellowish 
  brown 
  ; 
  sometimes 
  deep 
  red, 
  with 
  

  

  