264 



lis, ante apicem leviter siuuatis, intcrstitiis remote, 

 subtil iter punotulalis; tarsis posteriori bus Uiteis. Long. 

 12 — 13^, lat. 61 — 7i milliin. 



Dineutes aereus, Klug Symb. Phys. tab. 34. f. 8. — Auhk Spec. 

 Gen. des Hydrocanth. et Gyrin. p. 769. N:o 7. 

 Ctfdous Aegyptiacus. Dej. Cat. ed. 3:a p. 66. 



Habitat in CatFraria tota. < 



286. Dineutes pundatus: oblongo-ovalis, depressiusculus, 

 supra brunneo-olivaceus, interduni aerieo-rupreoque 

 variegatus, niticlulus, subtilissinie reticulato-punetulatus, 

 punctisque remotis, sparsis impressus, subtiis nigro- 

 piceus; elytris leviter undulato-striatis, apice conjunclini 

 late rotundatis, ante apicem vix sinuatis; tibiis tarsisque 

 posterioribus luteis. Long. 11 — 13, lat. 6 - 6| millim. 

 Cyclous punctatus Dej. Cat. ed. 3:a p. 66. 



Dineutes punctalus Aube Spec. Gen. d. Hydrocanth. el Gyrin. p. 

 774. N:o 10. 

 Habitat in CafiTraria orientali. 



287. Dineutes suhspinosus: oblongo-ovalis, convexiuscu- 

 lus, nitidus, nigro-piceus , supra vix aenescensj capite 

 protlioraceque sub-laevibus; elytris subtile striatis, apice 

 truncatis, serratis, ante apicem singulatim emarginatis, 

 acute spinosis, vitta marginali viridi-cuprea ; tarsis an- 

 ticis pedibusque posterioribus fenugineis. Long, 71, 

 lat. 3| millim. 



Gyrinus suhspinosus Klug Symb. Phys. t. 34. f. 9. 

 Gyrinus dentipennis Mac Leay Ann. Javan. p. 133? 

 Cyclous auslralis Dej. Cat. ed. 3. p. 66. 



Dineutes subspinosus Aube Spec. Gen. des Hydrocanth. et Gyrin, 

 p. 786. N:o l9. 

 Habitat in rivulis CafTrariae infra cataractulas, qua- 

 rum ab irao ad summum repititis vicibus volitat et aquae 

 insidens, deorsum se Icrri patitur. 



Observ. Individua e CafTraria reportata, sem]>er Ae- 

 gyptiacis minora magisquc oblonga , ceterum in omnibus 

 simiiia. Vix species dislincta. 



