SYMPHYLA FEOM THE HIMALAYAS. 255 



from Koh Chang (an island in the Grulf oi: Siam), Sumatra, and Java. 

 S. pleheia is described from Mauritius and S. crassicornis and pauperata 

 from Koh Chang. Of the genus Scolopendrella two species, namely 

 S. simplex and S. brevipes, are recorded from Asia and both from the island 

 of Koh Chang. No additional species have been added up to the present. 



EXPLANATION OF PLATE 31. 



Reference Lettering. 



a.s. Antero-lateral seta. 

 ex, Exopod. 



f.s. Front (or anterior) seta. 

 pj. PrsetarsLis (Hansen). 

 s.o. Principal sense-organ of antenna. 



s'.o'. Smaller sense-organ of antenna. 

 r.o. Rudimentary sense-organ. 

 t. Tarsus. 

 t^. Metatarsus. 

 U Tibia. 



Fig. 1. Scutigerella subimguiculatu, iirst and second scuta showing marginal 



setse, X circa 60. 

 Fig. 2. Thirteenth (penultimate) scutum from same specimen, X circa 60. 

 Fig. 3. Thirteenth joint of the antenna of a specimen with thirty-one joints and 



measuring 5 mm. long, viewed from above, X 95. 

 Fig. 4. Terminal antennal joint viewed from above, X 95. 

 Fig. 5. Sense-organs of the same terminal joint, X 400. 

 Fig. 6. First leg of right side, x circa 90. 



Fig. 7. Claws of first leg of left side viewed from behind, x 350. 

 Fig. 8. Last (twelfth) leg of left side, x circa 90. 

 Fig. 9. Claws of last leg of left side, X 350. 

 Fig. 10. Right cercus seen from the inner aspect, X circa 90. 

 Fig. 11. Exopod of twelfth leg of the left side, x 350. 

 Fig. 12. Process with sensory calicle and seta seen from the outer side, x 300. 



