LIST OF ILLUSTRATIONS. 



MAMMALS. 



Page. 



Plate IV. — Fig. 1. — Spermophilus grammurus, Bach 10 



Fig. 2. — Cynomye gunnisonii, Baird 10 



Plate XI. — Sciurus fremontii, Towns 10 



Plate X — Fig. 1. — Thomomys rufescens. Max 10 



Fig. 2. — Geomys castanops, Bd 10 



BIRDS. 



Plate XII. — Buteo ewainsonii, Bon — — — 16 



Plate XIU. — Buteo ewainsonii, Bon - 16 



Plate XIV. — Buteo calurue, Caesin.. 16 



Plate XV. — Buteo oxypterus, Cassin 16 



Plate XVII. — Chordeilee henry i, Cassin 16 



REPTFLES. 

 ■ 



Plate XVII.— Eutaenia vagrans, B. & G 20 



Plate XVIIL— Nerodia eiythrogaeter, B. & G 20 



Plate XXIII. — Maeticophis taeniatua, B. &G 20 



Plate XXIV.— Fig. 1.— Crotaphytus collaris, Ilolbrook 20 



Fig. 2. — Plestiodon septentrionalis, Bd 20 



FISHES. 



Plate XXIII. — AmWodon grunniena, Eafin 28 



Plate XLIX.— Figs. 1-4.— Ptychostomus haydeni, Grd 28 



Figs. 0-9. — Acomus griseus, Grd 28 



Plate LIV. — Figs. 1-4. — Lavinia exilicauda, B. & G 28 



Figs. 5-8. — Argyreus dulcis, Grd 28 



Plate LVI. — Figs. 1-4. — Pogonichthys inaequilobus, B &G 28 



Figs. 5-8. — Exoglossum mirabilo, Grd 28 



Plate LXXIII.— Figs. 1-4.— Salar virgimilis, Grd 28 



Fig. 5.—Q Salar iridea, Grd 28 



Plate LXXV. — Figs. 1-4. — Hyodon tergisus, Lesu 28 



Figs 5-7. — Mcletta coerulea, Grd 28 



