XANTHO FLORIDA. 



51 



DEC APOD A. 



liliACHYURA. 



CANCERIDJE. 



Xantlio florida . Leach . 



Specific character. — Carapace deflexed anteriorly ; latero-anterior margin with 

 four strong obtusely triangular teeth ; fingers black, without grooves ; the second 

 to tlie fifth pairs of legs with the third joint only ciliated on the upper edge. 



Cancer Jloridus, Montagu, Trans. Linn. Soc. IX. t. ii. f. 1. p. 85. 



„ incisus. Leach, Edinb. Encycl. VIL p. 3.01. 



Xantlio ijicisa. Id. 1. c. p. 430. 



„ florida. Id. Trans. Linn. Soc. XI. p. 320. Malac. Brit. t. xi. 



„ floridics, Edwards, Hist. Crust. I. p. 394. 



The carapace o^ Xantlio florida is about two-tliirds as 

 long as it is broad ; the anterior portion somewhat de- 

 flexed ; the latero antei'ior margin with four strong ob- 

 tusely triangular teeth, and reaching nearly as far back as 



