ASTACID.E. 51 



9. CiVMBARUS VERSUTUS Ilagcn. 



Figures on PI. I. and III. 



Fir.«t aboniinal lofr of the male : 



first form. fig. 55 in front ; fig. 5C outside, 

 .second tbrm, fig. 57 in front; fig. 58 outside. 



Antonnal lamina, fig. 150, a ; epistoma, h ; .spine of the second joint of the exterior an- 

 tenna^, c. 



Mas. Rostro longo, Itevi, excavate ; marginibus nudis, basi fere 

 parallelLs, deinde subconvergeiitibu.s; acumine angiisto triangulari, acuto, 

 iitrinqiie spina valida subrejecta ; ci'etis basalibus validis, fere parallelis, 

 extus suleatis, apice spina acuta longiori. Antennis corporis fere 

 lono-itudine, articulis duobus basalibus dente externo acuto lonyiori ; 

 antennis internis articulo basali dente medio infero longiori, acuto ; 

 lamina i-ostro pedunculoque antennarum longiori, media latiori, mar- 

 gine externo lato inflato, spina apicali longiori. Epistomate brevi, lato, 

 antice obtuso triangulari, angulis lateralil:)us rotundatis ; pedibus luaxil- 

 laribus externis intus barbatis. Thorace fei'e cylindrico, lajvi, utrinque 

 antice subscabro ; linoa profunda, lateribus breviter fissa, spinis utrinque 

 duabus validis, acutis ; areola lata plana, antice posticeque latiori ; 

 margine thoi'acis postico excise. Postabdomine thorace vix angustiori, 

 paulo longiori, l^vi, segmentis antepenultimis angulo externo subrecto ; 

 lamina media parte basali elongato-quadi'angulari, apice utrinque tri- 

 (interdum bi-vel quadri)-spinosa ; parte apicali breviori, antice rotim- 

 data. Pedibus anticis modicis, gracilibus ; chela angusta, media inflata, 

 deusius tuberculato-squamosa ; margine interno subrecto, dentate ; chela 

 subtus laeviori, ad marginem internum distincte sulcata ; digitis chelaj 

 longitudine, angustis, subcarinatis, subsinuatis, intus vix leviter serratis. 

 Carpo longo, Itevi, intus tuberculato, apice oblique truncate, spina antica 

 et media internis acutis, lengieribus ; subtus sjDinis duabus anticis majori- 

 bus ; brachie breviori, Isevi, spinis duabus anteapicalibus oblique pesitis ; 

 subtus spinis validis biseriatis, utrinque ad articulationem spina antica 

 acuta ; jiedibus tertiis et quartis articulo tertie unguiculate ; pedibus 

 quartis capitule basali ovate, quintis mineri laminate, erecto. Pedi- 

 bus abdominalibus brevibus, medicis, partim intus ciliatis ; parte in- 

 terna cylindrica, spina anteapicali acuta ; parte externa ante apicem 

 angustiori, apice ebtusieri, dentibus tribus internis fusce-cerneis, in- 

 curvis. 



Forma II., differt chelis angustioribus, depresse-cylindricis, rostro 

 interdum magis triangulari ; pedibus abdominalibus basi articulatis, 

 apice obtusioribus, parte interna ante apicem angustiori, spina ante- 

 apicali transversali ; parte externa apice obtuse, dentibus obseletis, 

 nee fusco-comeis ; pedibus tertiis unguiculo minori. 



