48 



Tkiohodectes sph^kocephalus, N. 



Plate V. 



lu Plate V, figs. 1, 2, 3, 6, and 7, and in P]a1e VI, figs. 1, 2, 3, 5, 1], 12, 13, and 15 

 are equally enlarged, and present relative differences in size and form. Other parts 

 are also enlarged similarly for the sake of comparison. 

 Fig. 1. Male, natural length indicated by line. 



Fig. 2. Female, natural lena;th indicated by line: a, head; 6, antennte; c, face; 

 . c?, cheeks; e, e, dorsal sutures; f,f,fA^gi'. g, prothorax; 7i, metathorax; 



i, abdomen; Ic, dark transverse bands; I, line of hairs on each segment; 



m, m, stigmata or breathing pores; »i(fig. 1), male genital orifice ; o, female 



genital orifice ; j>, female claspers. 

 Fig. 3. Young specimen just emerged from shell. 

 Fig. 4. Male antenna. 

 Fig. 5. Female antenna. 

 Fig. 6. Egg soon after being laid : a, cap with peculiar rod-like structure ; i, line at 



whicll the cap is to cleave off. 

 Fig. 7. Egg shell which has lost its embryo and cap : 6, 6, wool fibers. 

 Fig. 8. Anterior leg: a, coxa; &, trochanter; c, femur; d, tibia; e, tarsi and claws. 

 Fig. 9. Posterior leg. 



Fig. 10. Head, ventral side: a, o, antenna; 6, J, ventral continuation of dorsal sut- 

 ure; e, c, ventral suture; d, (J, mandibles ; c, maxillte showing through 



the chitinous gular plate ; /, the labrum. 

 Fig. 11. Tail end of male, dorsal view : a, the last segment; 6, the genital orifice; 



c, chitinous, hook-like appendages of the genital apparatus. 

 Fig. 12. Tail end of female, ventral view: a, the last segment; }>, the genital and 



anal orifice ; c, the claspers. 



