1900.] PROM SINGAPORE AND MALACCA. .725 



G. aculeata, and a reference to the text confirms this ; for it is 

 there named Maia (Chorinus) lonyispina, and said to be 

 " Oh. aculeato Edw. proximus." 



Dim. 6 23-5x28. 6 13x17-5. tf 8-5x11-5. <$ 6-75x10-5. 



X. G-enus Schizophrts White. 



13. SCHIZOPHRYS ASPERA M.-Edw. 



Miihrax aspera, M.-Edw. Hist. Nat. Crust, t. i. p. 320 (1834). 



Dione affinis, de Haan, Crust. Japon. p. 91, pi. xxii. f. 1 (1839). 



Schizojihrys serratus, Ad. & White, ' Samarang ' Crust, p. 16 

 (1848). 



Schizophrys aspera, A. M.-Edw. Nouv. Arch. Mus. t. yiii. p. 231, 

 pi. x. f. 1 (1872) .- Hasw. Cat. Austr. Crust, p. 22 (1882 ) ; Walker, 

 Journ. Linn. Soc, Zool. vol. xx. p. 109 (1887). 



Hah. Singapore and Malacca. A male and two females from 

 Malacca, all of the typical form ; a young male from Singapore, 

 also typical. Littoral. 



Dim. 6 15-5x19. 6 6-5x8-5. $24-5x31. $16-5x20-5. 



XI. Grenus Micippa Leach. 



14. Micippa mascarenica Kossmann. 



Micippa philyra, Leach, Zool. Misc. in. p. 16 (1817) (nee 

 M. philyra Herbst) ; M.-Edw. Hist. Nat. Crust, t. i. p. 330 (1834). 



Micippa philyra, var. mascarenica, Kossm. Zool. Ergebn. Eeise 

 roth. Meeres, p. 7, pi. iii. fig. 2 (1877). 



Micippa mascarenica, Miers, Ann. Mag. Nat. Hist. ser. 5, vol. xv. 

 p. 7 (1885) ; Walker, Journ. Linn. Soc, Zool. vol. xx. p. 109 (1887). 



Hah. Singapore ; littoral. Two males and two females. 



There are five tuberculiform teeth behind the postorbital tooth 

 in the males, of which the 3rd and 4th are absent in the females. 



Dim. 6 7-5x10. <$ 10x12-5. $10x13. $ 7-25x9. 



15. Micippa curtispina Has well. 



Micippa curtispina, Hasw. Proc. Linn. Soc. N. S. W. vol. iv. 

 p. 446, pi. xxv. f. 1 (1879) ; Walker, Journ. Linn. Soc, Zool. 

 vol. xx. p. 109 (1887). 



Hah. Singapore ; littoral. One female with ova. 



As in M. mascarenica, the lateral spines of the female are 

 irregular : the five that Prof. Haswell mentions as bordering the 

 postero-lateral and posterior margins are only represented iu this 

 specimen by two well-developed teeth on the postero-lateral angle. 

 The subapical rostral lobes are well-developed. 



Dim. 8-5x10. 



16. Micippa excavata, sp. nov. (Plate XLIV. fig. 1.) 



Hah. Singapore ; 5-6 f ms. A male and an ova-bearing female. 

 This form comes nearest to the M. curtispina of Prof. Haswell. 



