404 DR. GUNTHER ON THE FISHES OF CENTRAL AMERICA. 
B. The fresh waters north of the Lakes of Managua and Nicaragua, emptying into the 
Atlantic.—To this province belong the fishes collected in the Rio Usumacinta [U.] (and 
in its tributaries Rio de Santa Isabel, Rio Chisoy, and Rio San Geronimo), in the Rio 
Motagua [M.], and in the Rio Cahabon (Yzabal) [Y.]. 
DleotrisG@Oruita prix aoe be oo) se a M. ve 
PAG ONOSLONLG, NUSUIUNU RR tere we ese, ome M 
1UFOVORODS vahog me nl qa igebe (ype Gey ot Soy A SS M — 
SPULTUNMM Ret ces a nme Nhe, Neer era? Meer M Y 
SULCUS YE: Cee OR . yo NCCRCy lene Ra oe M. VG 
M = 
M 
M 
== mglapnensisn<@e, Vlost WP nls has oo eS 
————Micropithalmus sas Gee se ee keen te ee 
Obloneusia ec eaten wee?) aha ee a 
angulifer . 
salvini . 
irregularis 
godmanni . 
Y,, 
WAGE ASSURIUS He. wis lycee io Mcieer. 2 oo (ue Rigast | & petal eames — G3 
melanopus == 
AMMIUTMSVMeNICiOUaHe. ay os 6 4 ee ees _ “= 
Rimelodusjzodmanniyane ae a os wn at 5) 2. oo ga Us M. - 
IOLA TCUBISHey fo. Bee een Pic ais eres) ae) os) Seep ree M. — 
Nal vinitOy pense eek ee hehe) ayant Memney Comes _— — 
POlycanlns ia Spe: Me ne erm at Hows cai amo Ue = 
Tetragonopterus panumensis. .:. . . «-s+. 2 +») — —_— 
DPTCVIMANUSEE KE TS ae oS ee ho eR — 
Chalcmopsisidenter= <= 6) ST a cece eye Us M. 
Bundolasilabialisssmee 2 eemec) . 8 Tee lox cee ice omy cin Oe — 
BELONeESOX-DELIZANUSY ly rene Pee, oy WA Plat giv ca sen Honduras, Belize. 
Receiliarchiscyensis sem ste os) Pen eee nny se ome — — 
Xa pop uerus shel lenis messes meme ron ire oe eee -ene ee ts — _— 
Scleropnathusmenidionalis®.. <%= G¢)-+ -.. - .e UE — 
Carapusfastiatismes sn rime: ob - Moon™ Specie teal ies M. —_— 
C. Lake Peten.—tThe fish-fauna of this limited district is so peculiarly developed, 
that we cannot hesitate to describe it as a separate province. 
Heros margaritifer, Petenia splendida. 
melanurus. Pimelodus petenensis. 
urophthalmus. Tetragonopterus petenensis. 
affinis. Belonesor (in common with province 
—— friedrichsthalii. B). 
salvini (in common with pro- Peecilia petenensis. 
vinee B). Mollienesia petenensis. 
intermedius. Chietoéssus petenensis. 
