Testudines. — Emys, 341 



Habitat in aquis ripariis fluminis SolimoenSj Jurura Campeva 

 cognominata. 



Species 8. E. canaliculate. 



Exigua, fusco-nigricans ; capite piano, supra ferrugineo, subtus 

 nigro ; collo supra rufo, verrucoso echinato, subtus squamuloso ; 

 test^ nigricante, elliptica, convexo-depressa, ad marginera exter- 

 num sursuin revoluta, in medio dorso longitudinaliter large cana- 

 liculata ; scutello dorsi antico imparl brevi, rectangulo, pectoris 

 pentagono, magno ; pedibus brevibus, squamis acutis, hispidis ; 

 plantis, praicipue palmis subglobosis ; cauda minimi, vix exserta. 



Habitat sub cognomine Japutipirema in campis paludosis juxta 

 ripam fluminis Solimoens. 



Species 9. E. dorsualis. 



Minima, ovata, supra olivaceo-virescens, depressa, in medio 

 squamoso, nigro, lateraliter flavo-lineato, scutis granulosis ; brac- 

 teis pectoris duodecim; pedibus squamosis, sulphureis, nigro 

 lineolatis ; caud^ brevissima, apice subcornea. 



Habitat juxta flumen Solimoens. 



10. E, STENOPS. 



Minima, nigerrima, planiuscula; capite supra squamulis plu- 

 rimisobsito; rostro subobtuso, inter oculos angusto; testa de- 

 pressa, in medio dorso convexa ; scutis spinalibus sex, transverse 

 elongatis, granulosis ; cauda vix exsert^. 



Habitat in locis aquosis ad ripam fluminis Solimoens. 



11. E. MARMOREA. 



Subexigua, olivaceo-brunneoque virescens, subtus flavicans, ad 

 gulam non cirrhosa; capite laevi, non squamoso, lineolis flavis 

 insigni ; maxillis pectoreque flavidis ; testa ovato-depressa, vires- 

 centi-flavo nigroque variegata ; scuto marginali ' antico imparl 

 tetragono, subbrevi; scutis flavo-marginatis, marginalibus sursum 

 flavo-dentatis ; bracteis pectoris 12, cauda coUoque exsertis. 

 ■11 



