CRUSTACEA. 

 110 



The regions of the carapax are well pronounced The medial 

 Jon i large and oblong, and embraces several small tubercles which 

 ^ sletime°s nearly obsolete. The tubercles are of ten as follow, >,,,n- 

 n g anteriorly: two, distant from one another, in ahne between the 

 eyes- then, one medial; then four, two either .side of the medial line 

 more' or less distant from it; then, on the medial line, two ; next two 

 in a transverse line; next, two minute in a transverse line, just on 

 the posterior limits of the medial region. The post-medial region is 

 small and has one transverse tubercle, with sometimes others subsi- 

 diary the cardiac region has three tubercles forming a single promi- 

 nence, sometimes with two others smaller anteriorly, ami others 

 smaller posteriorly; the intestinal region is low without tubercles, or 

 has three tubercles clustered, smaller than those of the cardiac region. 

 The lateral regions are rounded and tumid, and embossed with 

 small tubercles ; a part either side of the post-medial region forms a 

 separate prominence, consisting of a few clustered tubercles. 



The two anterior pairs of legs are nearly of the same length, and 

 the finger and thumb of the hand may be in contact throughout or 

 only at their tips. 



The abdomen of both sexes is seven-jointed. 



The tarsus has minute corneous points on the inner surface, and 

 longer hairs. 



TiARlNlA CORNIGERA ? (J/. Edwards.) Dana. 



Maris: — Crassiuscida, supra tubcrvu/ata pustuhda cf gramihtta. pone 

 oculos paulo constricta, regkmc gastried promim nf<\ latitudiiu maximA 

 longitadincm post-orb italem aqua/itc, latiiudihe traus-oH*Uall dimidio 

 minore quani latitudo maxima; rostro multo trevhre qiutm latitude 

 transorbitalis, cornulms omruno contiguis. Anbnnw txterna rostro 

 multo lonjiores, articulo prima sulxjuadrato aitguh <.rt<nu> promjr 

 nmte, subacuto, articulis duo seqwntibus hng£ viliati*, 2do jxiroe 

 longiore quam tertius, suhspatulato. Pedes ttecundi sequ* at Urns duplo 

 longiores. Pedis ardici mauus tumid (da, oblonga, /"'is. digit is latvh 

 sime hiantibus, articulo tertio tubcrculato. P<hs veto postfci subti- 

 Iwsime hirsuti, articulo tertio parce tubcrculato. 



Male: — Rather stout, above tuberculate, pustulate and granulate. 



