﻿50 
  A. 
  F. 
  Foerste 
  — 
  Relations 
  of 
  Lichadidae. 
  

  

  13.) 
  Genotype. 
  A, 
  eranidium, 
  from 
  Gostilizy; 
  B, 
  pygidium, 
  from 
  erratic 
  

   block. 
  

  

  Fig. 
  8. 
  Conolichas 
  cequilobus 
  Steinhardt. 
  (Schmidt, 
  PI. 
  V, 
  figs. 
  5, 
  10.) 
  

   Genotype. 
  A, 
  eranidium, 
  from 
  Sommerhusen; 
  B, 
  pygidium, 
  from 
  Bist- 
  

   ninna. 
  

  

  Fig. 
  9. 
  Conolichas 
  (?) 
  schmidti 
  Dames. 
  (Schmidt, 
  PL 
  IV, 
  figs. 
  36a, 
  

   b.) 
  A, 
  eranidium; 
  B, 
  lateral 
  view; 
  from 
  Paeskull. 
  

  

  Fig. 
  10. 
  Homolichas 
  depressus 
  Angelin. 
  (Schmidt, 
  PI. 
  IV, 
  figs. 
  2, 
  4.) 
  

   Genotype. 
  A, 
  glabella, 
  from 
  Erras; 
  B, 
  pygidium, 
  from 
  Baltiscnport. 
  

  

  Fig. 
  11. 
  AmpMlichas 
  Icevis 
  Eichwald. 
  (Schmidt, 
  PI. 
  VI, 
  figs. 
  5a, 
  8, 
  

   10.) 
  Genotype. 
  A, 
  glabella, 
  type, 
  of 
  Amphilichas, 
  from 
  Kosch; 
  B, 
  gla- 
  

   bella, 
  from 
  Oddalem; 
  C, 
  pygidium, 
  from 
  Oddalem. 
  

  

  Fig. 
  12. 
  AmpMlichas 
  lineatus 
  Angelin. 
  (Angelin, 
  Paleontologia 
  Scan- 
  

   dinavica, 
  1854, 
  PL 
  38, 
  figs. 
  12, 
  12a.) 
  A, 
  eranidium; 
  B, 
  lateral 
  view. 
  

  

  Figures 
  1-11 
  are 
  copied 
  in 
  outline 
  from 
  Schmidt, 
  Eevision 
  der 
  Ostbal- 
  

   tisehen 
  Silurischen 
  Trilobiten, 
  Mem. 
  Acad. 
  Imp. 
  Sci. 
  St. 
  Petersbourg, 
  33, 
  

   1, 
  1885, 
  from 
  the 
  plates 
  and 
  figures 
  indicated 
  above. 
  

  

  Dayton, 
  Ohio. 
  

  

  