LAEVAL FORMS OF COLEOPTERA 



Plate 19 



Scydmaenidae (A-D). Pselaphidae (E-J) 



A. Seydniaeiiidae (Plninmers Isl., Maryland) : Head. Ventral 



view. 

 Larva. Dorsal 



view. 

 Larva. Lateral 



view. 

 Head. Dorsal view. 

 Head. Dorsal view. 

 Head. Ventral 



view. 

 Larva. Ventral 



view. 

 Ventral m o u t h - 



part s. Ventral 



view. 

 Larva. Lateral 



view. 

 Larva. Dorsal 



view. 



B. 

 C. 



D. 



E. Batrisodes monstrosns Lee. 



F. Enplectus conflnens Lee. 



G. Batrisodes monstrosns 

 H. 



J. Enplectns conflnens 



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