LIST OF ILLUSTRATIONS. 



PLATE I. 



1. Ichthcelurus furcatus, (Cuv. & Val.) Gill. Tesae. (From types of " a;^nis " — No. 



837.) p. 75. 



2. Ichthoslurus furcatus, (Cuv. & Val.) Gill. Texas. (From types of "o^mis" — No. 



837.) p. 75. 



3. Ichthcelurus robustus, Jordan. Locality uncertaia (From type — No. 20056.) p. 76. 



PLATE II. 



4. Ichthcelurus robustus, Jordan. Locality uncertain. (From type — No. 20056.) p. 76. 

 4 (6). Ichthcelurus robustus, Jordan. Illinois River, p. 76. 



PLATE III. 



5. Ichthcelurus punctatus, (Eaf.) Jordan. French Broad River, p. 76. 



PLATE IV. 



6. Ichthcelurus punctatus, (Raf.) Jordan. French Broad River, p. 76. 



7. Ichthcelurus meridionalis, (Gttnther) Jordan. Guatemala. (From Giinther's. 



figure.) p. 78. 



8. Ichthcelurus meridionalis, (Gunther) Jordan. Guatemala. (From Giinther's 



figure.) p. 78. 



PLATE V. 



9. Amiurus lupus, (Grd.) Giinther. Texas. (From type— No. 916.) p. 83. 



10. Amiurus lupus, (Grd.) Giinther. Texas. (From type — No. 916.) p. 83. 



PLATE VI. 



11. Amiurus niveiventris, Cope. Neuse River. (From type.) p. 83. 



12. Amiunis niveiventris. Cope. Neuse River. (From type.) p. 83. 



13. Amiurus nigricans, (Le S.) Gill. Lake Erie. p. 83. 



PLATE VII. 

 14 (6). Amiurus nigricans, (Le S.) Gill. Ohio River, Leavenworth, Ind. p. 83. 



PLATE VIII. 

 14 (o). Amiurus nigricans, (Le S.) Gill. Ohio River, Leavenworth, Ind. p. 83. 



PLATE IX. 

 14 (d). Amiurus nigricans, (Le S.) Gill. Florida. (From a mounted skeleton.) p. 83. 



PLATE X. 



15. Amiurus albidus, (Le S.) Gill. Potomac River. (From No. 20925.) p. 84. 



16. Amiurus albidus, (Le S.) Gill. Potomac River. (From No. 20925.) p. 84. 



PLATE XL 



17. Amiurus'tophius, Cope. Potomac River, p. 85. 



PLATE XII. 



18. Amiurus lophius, Cope. Potomac River, p. 85. 



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