450 
PACIFIC SCIENCE, Vol. XI, October, 1957 
Figs. 189-201. Lassenia lasseni n. sp.: 189, specialized setae of tarsus I, male; 190, tibia and tarsus of palp, 
male, posterior; 191, tibia and tarsus of palp, male, anterior; 192, coxae I and II, male; 193, coxae III and IV, 
male; 194, vestigial and other setae of tibia I, male; 195, Lassenia-org&n. of right and left sides of same male; 
196, same, a different male; 197, intercoxal setae, male; 198, ventral hysterosomal setae; 199, Lassenia-otg&n, fe- 
male; 200, Chelicera, male; 201, palp, male, anterior. 
