744 MB. W. F. LANCHESTEB ON CRUSTACEANS [June 19, 



specimens (Zoolog. Jahrb. loc. cit.) the margin is continuous on 

 both sides. 



From a shoal near Baffler lighthouse, a female with ova. Colour 

 a deep pink, extending on to the legs. 



Dim. J 5 x 3;75. $ 4-25 x 6. 



XXXIV. Genus Eurxcarcinus A. M.-Edw. 



56. Eurxcarcinus maculatus A. M.-Edw. 



Pilumnopeus maculatus, A. M.-Edw. Anual. Soc. Entom. France, 

 t. vii. p. 277 (1867) ; id. Nouv. Arch. Mus. t. iv. p. 82, pi. xix. 

 ff. 17-19 (1868). 



Eurycarcinus maculatus, de Man, Mergui Crust, p. 44, pi. ii. 

 ff. 4-5 (1888). 



Hab. Singapore ; littoral, sandy shore. One male, slightly 

 damaged. 



Dim. 12-75x9. 



XXXV. Genus Eriphia Latr. 



57. Eriphia l^evihana smithii. 



Eriphia smithii, McLeay, Annulosa in Smith's Illustr. Zool. 

 S. Africa, p. 60 (1838) ; Krauss, Siidl. Afrik. Crust, p. 36, pi. ii. 

 f. 3 (1843). 



Erijihia Icevimana, var. smithii, Hilgendorf, Monatsber. Akad. 

 Berlin, p. 797 (1878); Miers, Ann. Mag. Nat. Hist. ser. 5, vol. v. 

 p. 237 (1880); Walker, Journ. Linn. Soc, Zool. vol. xx. p. 110 

 (1887). 



Hab. Singapore; littoral. Three males and four females. These 

 crabs run actively among rocks on the shore : they will also defend 

 themselves well against attack, with their formidable cbelipedes. 



Dim. o* 39-5x29. 6 45-5x34-25. 6 57x42-5. $ 38 x 

 27-5. $ 37x28. $ 43x31-5. $ 47-5x34. 



Breadth taken is greatest breadth. 



XXXVI. Genus Tetralia Dana. 



58. Tetralia glaberrima Herbst. 



Cancer glaberrimus, Herbst, Naturgesch. d. Krabben, i. p. 262, 

 pi. xx. f. 115 (1799). 



Trapezia serratifrons, Luc. et Jacq. Voyage au Pole du Sud, 

 Crust, pi. iv. ff. 20-23 (Hombrou et Jacq. tome iii. 1853). 



Tetralia glaberrima et nigrifrovs, Dana, U.S. Expl. Exped., Crust, 

 pt. i. p. 261, pi. xvi. ff. 2 & 3 (1852). 



Hab. Singapore: littoral. A male and a female, the latter 

 slightly damaged. Front and antero-lateral margins edged with a 

 black band. Pit at base of hand in larger chelipede very distinct 

 in the male ; the female has lost its larger chelipede. 



Dim. d 8-25 x 7-25. $ 9-25 x 8-25. 



