59 359 



Front strongly deflcxed, ils lower edge bearing four small well separated lobes, 

 the inner pair more produced (or lower down), the outer pair distinctly separated 

 from the orbital angles. 



The upper margin of the orbit has two very small 

 notches; below the outer angle is a very large notch. 



The short antero-lateral margin is cut into four 

 teeth, first three blunt, fourth largest, acute; first fused 

 witli orbital angle, third minute. 



Chelipeds and legs tomentose: chelipeds unequal 

 in the ?, stout, 1>;. times as long as carapace. Merus ^^S- ^^ chela otllelcropanope 



. . , . sexangula, type 9- 7 mm. wide. 



with a superior, subterminal spine; wrist nodular, with 



a sharp inner spine; palms granulöse except on the distal portion of the larger 

 one. Legs slender. 



Length of ovigerous Ç 52 mm., width 7 mm. 



Gulf of Siam (special locality not given), 1 $. 



This species in form resembles H. eucratoides Stimpson (Smithson. Misc. Coll., 

 XLIX, 64, pi. VIII, fig. 2, 2a, 1907) which is a much smoother species, the hand 

 being quite smooth. 



Subfamily Oziinæ. 

 Epixanthus frontalis (Milne Edwards). 



Epixanihus frontalis Alcock, LXVIl, 185, 1898. 



Koh Chik, rocky coast; I. 30; 3 (^ 2?. 



Subfamily Eriphiinæ. 

 Eriphia sebana smithii Mac Leay. 



Eripbia hcvimana var. Smithii Alcock, LXVII, 21(), 1898. 



South coast of Koh Chang, sand (shrimp-net); I. 18; 1 ?. 



Subfamily Trapeziinæ. 

 Trapezia cymodoce (Herbst). 



Trapezia cymodoce Alcock, L.WII, 219, 1898. 



Koh Kahdat, coral and coral blocks, 1 falh.; I— II; 1?. 



Tetralia glaberrima (Herbst). 



Tetralia (jhihcrrima Alcock, LXVII, 22;!, 1898. 



Koh Kahdat, coral and coral blocks, 1 fath.; I— II; 7 c? 9 Ç ovig. 2 juv. 



4(;' 



