510 riiOCEEDINdS OF THE NATIONAL MUSEUM. vouxxi. 



ANAI.YTri^AL KKY To I'lIlO SI'ICCIICS OK rsiCUHO 111101. 1'MUSA. 



A. l*'ioiit witlioiit, a Hii|»orii)r iiiarKi" <>i' iMiiij;iiial lino. 



Jl. ()iit((i' marf^iii of iiuuiih of iiiaxilIi|»(Ml Htraij^ht or coiiciivc, lormii);.? an aiij^Io 

 with a.ii(-<Mi(»r iiiai';;iii. 

 ('. S|timil<iH 1)1' (lactyli ol' aiiibulat.ory Icj^h hiiiuII and iiuhum'ouh, 15 or more, in 



a low mavrojni 



C Si»iniil((M laigor and i'(^vv, about r> or (i in a row. 



1). Corviial HntnrcH anliin;; toward each otlior. Ambulatory U»j;'8 very 



Hhmddr e(;iu(<lorvnniN 



I)'. (!«rvical HutnroH HJunouH. Anibuhitory hi^n of inodorato width. 



K. MoruHof niaxillip«Ml v(<ry wide, width li times th»( h^nf;th plana 



10'. MoiiiH of nnixillipod very littl(» wider than lony Undiiiiana 



I}'. Outer niaii;in of nieruH of niaxilliix'dH convex and gradually (uirving into 

 th(« anti^rior nuirgin. 

 (!. Aniliulatory lej;H v<uy Hlendcr. 



1>. I jowor margin oljirojtodusof tlui large l■(•llcli]l(^d of the ienial(( nu)Ht convex 

 oi- ])rotub(«rant at the middle of i\\ti palm. Width of 



caiapacc lewH ihan 1.1 tini«H its length <.viU2>C8 



I)'. Lower nnirgin of propodun of the larger cdndipcd of llie female moHt 

 convex oi- protuberant Ixdow the articulati(ui of the 

 dactyluH. Width of cura2)ace more tbun 1.1 times its 



length (jracilipcs 



C. Ambulatory legs not Hlcnder. 



D. iiower margin of front faintly rimmed jonyi 



I)'. Lower margin of front strongly rimmed. 

 10. Lower margin of front Hinuous or trilobod, in a front view. . ..r(//res<w 

 E'. Lower uuirgin of front convex. 



l'\ !iat(*riil teeth of <'ttrapac(^ obliterat<^d. Innt^r lobe ol' abdominal 

 ajipiMidage of first si^gmeut in male falcate, (iistaut fi'om 



th(( appendage IcrreatriK, 



F'. Lateral teeth of carapace present, though indistinct. Inner lobe 

 of abdominal :i)ipemlage not falcate, appressttd 



amerivaiia-duijesi 

 A'. Front with a superior margin or marginal lino. 

 J{. Suptuior margin of front not ke(^h^d. 

 C. Superior nnugin smooth. 



D. Ambulatory logs elongate, th(^ propodi at h^ast twice as long as wide. 

 E. Sixth Bei<;inont of abdomen of male half as long as its proxinuil width. 



uqualorialiH 

 10'. Sixth segment of abdomen of male less than half as long as proximal 

 width. 

 F. Low<ir nuirgin of larg(<r proixxliis e(>nv(^x; lower nnirgin ol" pollex 



straighti rarticalis 



F'. Lower margin of larger i)ropodu8 sinuous. 



(J, Front low, its width about. I'J tim^^s its height hclliana 



(!'. Front hightu-, its width about!* times its height molilalia 



1)'. Ambulatory legs not tilongate, tln^ jiropodi less tluui twice as long as 

 wide. 



10. Manuswilh a liubt^rcle at base of lingers tuinimanuH 



Fi'. Manns without a. tnlxMcle at base of lingers Iitstani 



C. Superior luargin of front tuberculate. 



i). Meriis of maxillipi<d narrow, tin* outer obli(|ue margin making an angle 

 with the iiutt^rior margin. 



E. Cervical suture ciirvi^d cliilensis 



E'. C(uvical suture straight. 

 F. Ambulatory legs slender. No outer orbital notch nobiiU 



