Fic. 
PLATE XVII. 
Ammothea latifrons sp. nov. 
. Cheliforus of immature specimen (Lot. 1-1). X 33. 
. Oviger of immature specimen (Lot I-1a). X 33. 
. Terminal part of same. XX 107. 
Ammothea alaskensis sp. nov. 
. Female from left side (Lot 25). x 27. 
. Cheliforus of adult (Lot 7b). x 73. 
. Caudal segment, dorsal view (Lot 7b). X 43. 
. Left oviger of female (Lot 7a). X 73. 
. Right palp of female (Lot 7b). x 73. 
. Third left leg of female (Lot 25a). X 27. 
. Foot of second left leg, female (Lot 7a). x 53. 
. Second coxal joint of third left leg of male (Lot 25). 
. Right oviger of male (Lot 25b). X 37. 
(312) 
