352 62 



The largest specimen (? between Mesan and Chuen) is 6-5 mm. long and 

 10'5 mm. wide. All are more distinctly areolated than the one figured by Alcock. 

 The areola IM (of Dana) is distinct; 2 M is longitudinally divided, and there is a 

 triangular areolet in front of the outer half; a square supra-orbital areolet; D and 

 E arc fused; 1 L, 2 L and 3L are fused and eroded; IR and 2R are fused with S; 

 4L is fused with T; 5L and 6L are each distinct; the transverse groove across the 

 posterior part of the carapace is deep. 



Hypocolpus haanii Rathbun. 



Cancer (Xantho) granulatus de Haan, Fauna .Japon., Crust., p. G5, pi. XVIII, fig. 3, 1837. Not Cancer 



granulatus Linn.i;us, 1758. 

 Hypoccelus granulatus A. Mii,jiE Edwards, Nouv. Arch. Mus. Hist. Nat., Paris, I, 296, pi. XVI, fig. C, G a, 



1866. Henderson, Trans. Linn. Soc. London, (2), Zool., V., p. 358, pi. XXXVI, fig. 12, 1893. 

 Hypocolpus haanii Rathbun, Proc. Biol. Soc. Washington, XXII, p. 114, 1909. 



Koh Kram, 30 fath.; III. 2 and 21 ; 1 c? 1 juv. 



Subfamily Etlslnæ. 

 Chlorodopsis melanochira A. Milne Edwards. 



Chlorodopsis melanochira Alcock, LXVII, 168, 1898. 



Singapore, coral reef; XII. 5; 1 d* 1 juv. Koh Kahdat, 1 fath., sandy bottom, 

 sponges, dead corals; I. 11; 3 J' 1Ç ovig. 3 juv. Koh Kahdat, among algæ; II. 19; 

 1 c?. Koh Kahdat, 1 fath., coral and coral blocks; I— II; 4 J" 6 Ç 2 juv. Koh Chang, 

 1 fath., coral; I— III; 7 J* 10 ? (3 ovig.) 18 juv. 



Halimede de Haan. 



Halimede de Haan, Fauna Japon., 35, 1835 (fragifer). 



Andromeda Gistel, Natur. Thierreichs, p. IX, 1848. 



PoUjcremnus Gerstäcker, Arch. f. Natur., XXII, pt. 1, 120, 1856 (ochtodes). 



Three species of this genus form a regular series according to the amount of 



ornamentation. They are as follows: 



Halimede tyche (Herbst). 



Cancer tyche Herbst, Naturg. d. Krabben u. Krebse, III, Heft 2, p. 35, pi. LII, 



fig. 3, 1801, Ostindien. 

 Cancer (Halimede) fragifer de Haan, Fauna Japon., Crust., p. 47, pi. XIII, 

 fig. 4, 1835, Japan. 

 Halimede thurstoni Henderson, Trans. Linn. Soc. London (2), V, p. 360, pi. XXXVI, 



figs. 13, 14, 1893, Tuticorin. 

 Halimede ochtodes (Herbst). 



Cancer ochtodes Herbst, Naturg. d. Krabben u. Krebse, I, p. 158, pi. VIII, 



fig. 54, 1783. 

 Polycremnus ochtodes Alcock, Jour. Asiat. Soc. Bengal, LXVII, p. 135, 1898 

 and synonymy. 



