18 



PROCEEDINGS OF THE NATIONAL MUSEUM 



VOL. 77 



RIOPA HUGHI (Cochran) 



Sphe7iosoma hughi Cochran, Proc. Biol. Soc. Washington, vol. 40, Dec. 2, 

 1927 p. 185. 



U.S.N.M. 

 72274-6 (S2936, S2941 type, Koh Tao, Gulf of Siam Jan. 1, 1927. 



S2942). 

 76148-50 do Sept. 18, 1928. 



Figure 2.— Riopa hughi. Type. U. S. Nat. Mus. No. 72275. Feom Koh Tao, Gulf of Siam. 

 a, TOP of head; 6, profile; c, undee side of head 



RIOPA HERBERTI (Smith) 



Lygosoma herberti Smith, Journ. Nat. Hist. Soc, Siam, vol. 2, 1918, p. 45, 



U.S.N.M. 



76076 Ban Hui ta. 



July 12, 1928. 



LEIOLOPISMA EUNICE Cochran 



Leiolopisma eunice Cochran, Proc. Biol. Soc. Washington, vol. 40, Dec. 2, 

 1927, p. 187. 



U.S.N.M. 



70271-2, Juvenal Pak Jong May 18, 1925. 



72180 (S2816), type Bang Suk, near Pak Jong... Aug. 19, 1926. 



76851-7 Doi Angka, 7,000 feet Dec. 4, 1928. 



Figure 3.— Leiolopisma eunice. Type. U. S. Nat. Mus. No. 72180. From Bang Suk, 

 NEAR Pak Jong, Siam. a, top of head; b, profile view; c, under side of head 



LEIOLOPISMA PRANENSIS. new species 



Diagnosis. — Limbs well developed; ear opening distinct; lower 

 eyelid with an undivided, transparent disk; no supranasals; four 



