CRUSTACEA. 39 



4. ATERGATIS LATERALIS, Adams Sf White. (Tab. VIII. Fig. 1.) 



Thorace laevi irregulari, lineis impressis, lateribus latero-anterioribus in tres dentes latos divisis. 

 Fronte lata, denticulata, hi medio subemarginatS. 

 Hab. Maria Orientalia. 



Carapace smooth, irregular, with numerous impressed lines ; latero-anterior margins 

 divided into three broad teeth. 



Front wide, denticulated, subemarginate in the middle ; fifth joint of fore-legs rugose, 

 claws tipped with dark brown. 



Hab. Eastern Seas. 



3. ACTiEA, DeHaan. 



1. ACTiEA NODULOSA, Adams fy White. (Tab. VIII. Eig. 4.) 



Thorace et pedibus supra dense obsitis rotundatis tuberculis maximis in chelis et anterioribus margi- 

 nibus ; tuberculo in cantho inferiore ; thorace in medio longitudinaliter impresso ; acie posteriore recta et 

 duabus lineis transversis parvorvun tuberculorum instructs,. Chelis et superiore et inferiore carinis longi- 

 tudinalibus ; cornn colorato. 



Hab. Mauritium. 



Carapace and legs, above, thickly covered with rounded tubercles, largest on fore-legs 

 and fore-margins of carapace ; a tubercle on the under orbit ; carapace, in the middle, longi- 

 tudinally impressed ; the posterior edge straight and furnished with two transverse lines of 

 small tubercles ; claws, both upper and under, with longitudinal keels, and horn coloured. 



Hab. Mauritius. 



4. XANTHO, Leach. 



1. XAJSTTHO DEPRESSA, Adams Sf White. 



TJiorace valde depresso, antice tuberculato, compluribus tuberculorum acuminatis. 

 Fronte in medio profunde nictata ; lateribus tribus dentibus. Manibus extra tuberculatis, tribus 

 posterioribus articulis pedum parvis tuberculis, paucis capillis. 

 Hab. Insulas Philippinas. 



Carapace much depressed ; in front tuberculated, many of the tubercles sharp-pointed. 



Front deeply notched in the middle ; sides with three teeth ; fifth joint of fore-legs 

 tuberculated on the outside ; the three last joints of legs slightly tuberculated, and with a few 

 hairs. 



Hab. Philippine Islands. 



2. XANTHO CULTEIMANUS, Adams 8? White. 



Thorace supra convexiore; fronte nictata; lateribus quatuor dentibus; parte anteriore et lateribus 

 parvulis tuberculis; thorace post oculos impressis lineis quae in medio conveniunt; manibus quatuor 

 longitudinalibus impressis lineis in superficie exteriore quae parvis subasperis tuberculis exornatur ; thorace 

 et pedibus flaveolis rubro commixtis. 



Hab. Insulas Philippinas. 



