456 
PACIFIC SCIENCE, Vol. XI, October, 1957 
Figs. 218-229. Lassenia lasseni n. sp., larva: 218, leg I, trochanter to tibia; 219, leg II, trochanter to tibia; 
220, leg III, trochanter to tibia; 221, venter; 222, solenidion 3 , tibia I; 223, s 3 , patella I; 224, s 3 , tibia III; 225, s 4 , 
tibia I; 226, S 2 , tarsus II; 227, Si, tarsus I; 228, famulusi, tarsus I; 229, gnathosoma. 
measured 1,326 and 1,794 /jl to tip of scutum, 
637 /jl to 832 n wide (length/width 2.08, 2.16). 
The smaller specimen was evidently an im- 
mature female and even the larger one was 
nonovigerous. Scutum (Fig. 232) much more 
elongate than in the type species of the genus, 
and with a distinct anterior spine (hence the 
name). A pair of very elongate, slender, 
