132 



HERPETOLOGY OF MICHIGAN. 



^'In less than forty minutes the nest is completed and she has 

 commenced to lay her eggs, letting the tail dgwn into the narrow 

 hole as far as possible. After depositing several eggs she arranges 

 them with the hindfeet and then rakes in some earth previously wet 



\N. DOMINION OF CANADA 



I L L 1 N I 



W I O .t^Cj^LtPO 



Fig. 45. Distribution of Platypeltis spinifera. 

 Horizontal ruling, specimens examined; vertical ruling, reports only. 



up with water from the accessory bladders. The earth is gently 

 packed in before any more eggs are laid. The remainder of the 

 eggs are deposited and the hole is filled up with earth and tramped 

 doTvn quite firmly with the knuckles of the hind feet, right and 

 left feet being used alternately. This treading movement 

 continues for some minutes and seems to be quite thorough. Al- 



