THE CANADIAN ENTOMOLOGIST. 55 



Mucro with three teeth, the first liorizontal, short, the second and 

 third long and slender, vertical, about as long as the first, and 

 as long as the macro is wide ; furcula not attaining the ventral 

 tube ; dentes slightly longer than the manubrium ; body and 

 antennas grayish-yellow ; legs and furcula white ; antenniw 

 slightly longer than the head. Habitat — Salineville, 

 Ohio //it/i/iafa, n. sp. 



28. Inferior claw with a tooth on the inner margin 29. 



Inferior claw without teeth, the inner margin dilated at base; superior 



claw with a tooth on the outer margin and another on the inner 

 margin ; mucro with three teeth, the first and third of about the 

 same length, the first forming a distinct hook, the second half 

 as long again as either the first or third, all vertical ; furcula 

 attaining the ventral tube ; the dentes more than twice as long 

 as the manubrium ; body and antennae black ; legs and furcula 

 brownish-white ; antennre longer than the head, the segments 

 long and slender. Habitat— Ithaca, New York . . speciosa, n. sp. 



29. Mucro with four teeth ^o. 



Mucro with five teeth, the first tooth short, one-third the length of 



the second, the second and third subequal, vertical, as long as 

 the mucro is wide, the fourth shorter than the third and 

 cephalad of it, the fifth very small and laterad of the fourth ; 

 superior claw with a tooth on the outer and inner margins ; 

 inferior claw with a tooth on the inner margin ; furcula reaching 

 the second abdominal segment ; dentes distinctly longer than 

 the manubrium ; ocelli fourteen, seven on each side of the head; 

 body griseo-violaceous ; antenme about as long as the head, the 

 K, last segment longest, slightly arcuate. Habitat— St. Lawrence 

 ' Island, Behring Sea '^'p-andicifs, Renter. 



30. Mucro with the first tooth distinct, prominent 31 , 



Mucro with four teeth, the first minute, at the base of the second, the 



second long, curved, the third and fourth opposite, of the saiTie 

 length as the second ; furcula long, reaching the ventral tube : 

 dentes more than twice the length of the manubrium ; superior 

 claw with a tooth on the outer margin and another on the inner 

 margin ; inferior claw dilated at base and with a tooth on the 

 inner margin ; body and antennte blackish; furcula and legs 

 *■ Species imi .seen. 



