1 84 



NEW YORK STATE MUSEUM 



guished by the biarticulate flagellum of the antennae.. It differs 

 from P o r c e 1 1 i o in the smallness of the lateral lobes of the head 



and in the absence of any projec- 

 tion between the eyes. Antennae 

 long and delicate. Integument 

 soft and thin. 



Length 8-12 mm. The color of 

 living animals is silvery, but in 

 alcohol it is brown with irregular 

 lighter spots and streaks. The 

 antennae are distinctly banded, the 

 distal portion of each joint being 

 lighter than the base. 



They are very active forms and 

 are what might be called domes- 

 ticated, being found in greenhouses 

 or along walls, usually under de- 

 caying vegetable matter. 



Fig. 57 Metaponorthus pruinosus FoUnd a11 0ver the cit - V - 



Family armadillididae 



Antennae generally short. Body able to be contracted into a ball. 



Uropoda not reaching beyond terminal segment, which is short and 



broad. 



Armadillidium vulgare (Latreille) 



Armadillo vulgaris Latreille. Hist. Nat. des Cms. et des Insectes. 

 7:48. DeKay. I. c. 1844. p.5. 



Armadillidium vulgare Richardson. /. c. 1901. p.574. 



Fig. 58 Armadillidium vulgare 



