and Asiatic Species of Laius. 343 
on the vertex, and with a broad, dentiform, bifid elevation 
on each side near the prominent eyes, the transverse ridge 
preceded by a small A-shaped prominence ; antennal joint 1 
broad, curved, subtriangular, 2 (=3 of Pic) long, stout, 
hollowed on the outer aspect (Pl. VIII. fig. 21). 
9. Head unarmed; antennal joint 1 smaller, 2 not so 
stout, cylindrical. 
Hab. Java (Mus. Brit.: 3 2), Sukabumi (types of Pic). 
A pair from the Bowring Collection, acquired by the 
British Museum in 1863, are certainly referable to this 
species. It is a narrow, opaque, bluish-black, densely 
punctured, pubescent insect, with black legs and antenne, 
the ¢ with an extraordinary development of the head and 
antenne. LD. diabolicus, Pic (1905), from Sumatra, and 
L. lombokanus, Pic (1910), from Lombok, are allied forms. 
Alphabetical numbered list of species of Laius enumerated in 
this paper; those marked with an asterisk are treated 
as new. 
*birmanicus, 25. 
borneensis, 27. 
*boysi, 10. 
*bulbifer, 4. 
carinatifrons, 30. 
*denticornis, 5. 
*duplex, 24. 
externenotatus, 22. 
flavicornis, F., 2. 
foveicornis, 16. 
guttatus, 26. 
jucundus, 21. 
kiesenwetteri, 11. 
*lunatus, 8. 
luteofasciatus, 7. 
*malleifer, 20. 
niponicus, 13. 
*nodifrons, 6. 
pelegrini, 12. 
plagiatus, 15. 
raffrayi, 18. 
*sarawakensis, 28, 
semilimbatus, 17. 
*sexsignatus, 25. 
sinensis, 14. 
*taprobanus, 9. 
*tetrastictus, 29, 
tibialis, 3. 
velutinus, 1. 
venustus, 19. 
Synonyms, VARIETIES, ETC. 
‘flavicornis, Kies., 11. 
histrio, 11. 
kanarensis, 15. 
maculithorax, 21. 
rufolimbatus, 17. 
EXPLANATION OF PLATE VIII. 
The figures 1-21 show the four basal joints of the ¢ antenne, the second 
joint in 8 and 20 being turned partly backward to indicate the 
position of the basal appendage ; 2a, ¢ anterior leg. 
