8 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 120 
Remarxs.—After prolonged preservation, no traces of pigmentation 
remained. 
Distrrpution.—Africa to Hawaii and Tuamotus, including 
Australia and Japan. 
Subfamily PoRTUNINAE Stephenson and Campbell, 1960 
Genus Charybdis de Haan, 1833 
Subgenus Charybdis de Haan, 1833 
Charybdis (Charybdis) anisodon (de Haan) 
Portunus anisodon de Haan, 1835, p. 42. 
Charybdis (Charybdis) anisodon (de Haan).—Leene, 1938, pp. 64-67, figs. 29, 30.— 
Stephenson, Hudson, and Campbell, 1957, p. 493, pl. 1 (fig. 1).—Crosnier, 
1962, pp. 81-82, figs. 141-142, pl 6 (fig. 1). 
Charybdis anisodon (de Haan).—Sakai, 1939, pp. 405-406. 
MareriaL.—Malay Peninsula: Cham Han Bight, Siam, Jan. 9, 
1924, H. M. Smith, 1 male, Chantabun River at Lem Sing, Siam, 
May 7, 1927, H. M. Smith, 2 females; Thailand, Sta. 26, entrance to 
Trat Bay, Gulf of Thailand, flat mud bottom, 11°58’30’N., 
102°44’05”E., 5 m., Oct. 29, 1957, GVF, 1 male; Sta. 27, east coast, 
Gulf of Thailand, S. of Trat Bay off Lam Son Village near Cambodian 
border, 11°57’00"N., 102°44’45”E., 10 m., Oct. 29, 1957, GVF, 
2 males; Thailand, anchorage in Mae Nam Chantaburi River at Tha 
Chalaep Harbor, Chantaburi Province, Sta. 134, Dec. 24, 1957, 
GVF, 1 female. 
Philippines: Manila Bay, Dec. 7, 1907, Alb., 1 male; Manila Bay, 
outside of breakwater, mud, small rocks, Dec. 12, 1907, Alb., 1 male; 
Tacloban Anchorage, about ship, hand dredge, 3 fm., Apr. 12, 1908, 
Alb., 2 males (1 fragmented), 1 female. 
M f&ASUREMENT.—Males, 12-45 mm.; females, 13-28 mm. 
ReMARKsS.—In larger males the borders of ultimate and penultimate 
abdominal segments form an uninterrupted curve instead of the in- 
dented separation shown by Crosnier (1962, fig. 142). 
DistTRIBUTION.—Madagascar and Red Sea to New Caledonia, 
Japan, and Australia. 
Charybdis (Charybdis) callianassa (Herbst) 
?Cancer callianassa Herbst 1789, pl. 54 (fig. 7) (fide Leene, 1938). 
Charybdis (Goniosoma) callianassa (Herbst).—Chopra, 1935, pp. 489-491, fig. 11, 
pl. 9 (fig. 1). 
Charybdis (Charybdis) callianassa (Herbst).—Leene, 1938, pp. 81-84, figs. 41-43.— 
Stephenson, Hudson, and Campbell, 1957, pp. 493-495, figs. 1B-D, 2C, 
3D, pls. 1 (fig. 2), 4A. 
Marertau.—Malay Peninsula: East coast Gulf of Thailand, 8S. of 
