Bui. 351, U. S. Dept. of Agriculture. 



Plate 



The Terrapin Scale. 



a The second instar under the puparium; b, same, shrinking in the last day of the second 

 instar; c, prepupa; d, pupa; e, imago before emergence; /, pupa case clamped under the pupa- 

 rium; g, imaw at twigward migration; h, lateral view of caudal extremity; i, enlarged antenna. 

 All much enlarged. (Original.) 



