SPINOUS SPIDER-CRAB. 



39 



DEC A POD A. 



BRACHYURA. 



MAIADJE. 



SPINOUS SPIDEK.CBAB. 



CORWICH. 



Maia squinado. 



Specific character. Carapace convex, covered with sharp spines. 



Cancer Squinado, HERBST, I. t. xiv. f. 84-85, (jun.) Id. III. t. Ivi. 



(adult.) 



Maia, SOWERB. Brit. Misc. t. xxxix. 



Maia Squinado., LATR. Hist. Nat. des Crust. VI. p. 93. Bosc, Hist. 



Nat. des Crust. I. p. 257. LEACH, Trans. Linn. Soc. 



XI. p. 326. Id. Malac. Brit. t. xviii. EDW. Hist. 



Crust. I. p. 327. 



THE carapace of this species of Maia is considerably con- 

 vex, of an ovoid form, but becoming more triangular in 

 adult age, by the increased narrowing of its anterior por- 

 tion. The rostrum is strong and prominent, its two horns 



