EXPLANATION OF PLATE XL. 



Figs. i, i«. — Cyclophorus oakesi, n. sp, X 4*5. Type. 



,, 2, 2a, 2b, 2c. — Spiraculum minimum, n. sp. X 3*4. Type. 



3,3a, 3&. — ,, putaoensis, n. sp. X 3'4. Type. 



^, 4, 4a, 46. — Pterocyclos spiramentum, n. sp. X 3*4. Type. 



5,5«.5^- — '? Spiraculum luyorensis, n. sp. X 3*4. Type. 



