Fig. 35. — Mammiform stoue, with human face. About |. 



Fig. 36. — Mammiform stoue, with the head of a sea-bird, i- 



Fig. 37.— Mammiform stone, upper view, greatly warped. J. 



Fig. 33. — Mammiform stone, 

 front view. ^. 



Fig. 39. — Maumiifovm stone, upper view. J. 



