122 Mr. C. T. Regan on 



Eleotridae. 



Eleotris fusca, Blocli. 



Ambilo and Luke llasoabd, E. Madagascar; Andranolaho, 

 8.VV. Madagascar. 



Eleolris hgeudrei, Pellfgr. 



Ainbilo, Lake Alaotra, Amboliidratrinio and Anibato- 

 liaraiiana, E. Madagascar. 



Eleolris tolu'zonccy Steind. 

 Lake Alaotra. 



GobiidaB. 



Ciubius aneofuscus, Peter.s. 



Aiubafoliaraiiana, E. Madagascar; ^laroainalona, S.W, 

 ^ladagascar. 



Gohins giuris, ILun. Buclian. 



Ain])ilo, E. i\Iadagascar ; Aiidranulalio and Maroainalona, 

 >S.W. Madagascar. 



IL The Madagascau CiciiLiDyE. 



The Ciclilid fishes of ]\[adagascar belong to three endemic 

 genera, which are defined below. 



1. Pakatilapia, Bleek., lC)G8 (type P. polleni, Bleek.). 



Dorsal X-Xni 9-12. Anal III ^-11. Scales cycloid or 

 feebly denticulate, large (2b-30) ; two lateral lines. Mouth 

 terminal ; end of maxillary exposed ; teeth in jaws conical, 

 in .3 to 5 series, outermost enlarged. Lower j)haryngeal3 

 united by a straight suture to torn) a triangular [)late ; ante- 

 rior teeth conical, posterior somewhat conij)ressed and indis- 

 tinctly bicuspid, hooktd. Occi|)ital and i)<irietal crests ending 

 al)Ove middle of orbits ; a broad meilum ilf[»ression in anterior 

 part ot frontals. I'osterior part of paia>phenoid turming a 

 strong apophysis, compressed antero-posteriorly, endnig in 

 a ])air of transverse oval facets for articulation of the upper 

 pharyngeals. Vertebrte 27 (]'5 + l-i.); third with paired 

 inferior aj)Ophyses ; pr;ecaudals with parapophyses iroin the 

 fourth; ribs subsessilo. 



Madagascar ; a single species. 



