. Vertebrates of Ontario [microform]. Oiseaux; Fishes; Vertebrates; Poissons; Vertébrés; Birds. II 96 (!HECK LIST OK THE through the Creat Lakes region, more particularlv so in the west nor h: ,n the southern and eastern parts of the Province it s represented by the following sub-species: k <- «^"i<-u. rut, , jv -v^;^ ;^- Teccellateil Darter. ( /}â/, ,â,â». âly,ii,n âhiâi(,li.) (102) Tessellated Darter. (Boleosoma nigrum olmstedi.) Very similar to the last, but the cheeks and opercles scaly and nm. and breast naked. Lateral line complete. ^ ^ "''P*- D. IX., 14; A. L, 9


. Vertebrates of Ontario [microform]. Oiseaux; Fishes; Vertebrates; Poissons; Vertébrés; Birds. II 96 (!HECK LIST OK THE through the Creat Lakes region, more particularlv so in the west nor h: ,n the southern and eastern parts of the Province it s represented by the following sub-species: k <- «^"i<-u. rut, , jv -v^;^ ;^- Teccellateil Darter. ( /}â/, ,â,â». âly,ii,n âhiâi(,li.) (102) Tessellated Darter. (Boleosoma nigrum olmstedi.) Very similar to the last, but the cheeks and opercles scaly and nm. and breast naked. Lateral line complete. ^ ^ "''P*- D. IX., 14; A. L, 9. About 50 scales , lateral line. Colour olivaceous; fins with many narrow bars; back tessellUcd ⢠Mdes with blotches and . markings. Head in spring. n^l^S' A dark streak forward Irom the eye and another downward. Ihis IS the most abundant and generally distributed Darter we have .s^ern'ZrtsTth! .""'-"^ '"I ''"'â¢* ^'^ '''''^ °^ "^« southern Id eastern parts of the IVovince, where it lies secreted under stones on the bottom or buries itself in the sand, leaving only its eves visibk \Vhen alarmed it darts with great rapidity to the nearest shelter and irusts" ^ifZll'T'"'''"- V-^--""-^ ^-^ â¢-» 'â¢^"^^'^ °f =""»â * three ith^ ana is interesting by reason of its peculiar habits. Gkms (Sand Daktkrs.) Body slender and elongate, subcylindrical; pellucid in life. Head sender. .Mouth rather wide, horizontal, the lower jaw included-premax llaries very protractile; teeth on the vomer. .Scales thin, ctenoid H tie .mbricated, present along the region of the lateral line, and on the "i sometimes on the back or b^-lly; lateral line complete each tube occupying nearly the whole length of its scale. Head scaly or naked no ventral plates, the belly naked. Oill membranes considerabk uni'ted forming . angle at their junction. Dorsal fins moderate, about


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