VIII 
LIST OF ILLUSTRATIONS. 
Page. 
Plate XVI.— Eutainiafaireyi, young, Prairie Water Snake___.... 297 
Plate XIX.-—Fig. 1. llegina grahamii. Fig 2. Celuta amoena, Missouri_.___299,302 
Plate XX.—Fig. 1. Bascanwn vetustus,V>\w3 Racer, Washington Territory. Fig. 2. Regina Kirtlandii, Kirtland’s Snake. 297 
Plate XXI —Pituophis sayi, Prairie Bull Snake___ 300 
Plate XXII .—Scotophis vulpinus, Fox Snake........ 299 
Plate XXIII.—Fig. 1. Rana halecina, Spotted Frog, b, under surface of head ; c, under surface of left fore foot; d, 
under surface of left hind foot. (Fig. 2. Rana boylii, Boyl’s Frog, California, a, b, lateral and under views ; c, d 
as in preceding. Fig. 3. Ram boylii, Boyl’s Frog, young, b c as c and d in preceding. Fig. 4. Rana septentriona- 
lis, Northern Frog, Fort Ripley, Minnesota, a, b, etc., as in preceding. Fig. 5. Rana catesbiana, Catesby’s Frog. 
References as in Fig. 2. Not yet published)_______ 306 
Plate XXXI.—Fig 1. Ambysloma tenebrosum, Black Mudpup. b, head from above. Fig. 2. Ambystoma ingens, The 
Huge Mudpup. a, full view; b, side of head; c, head above; d, from below; e,f,g, as seen from below. Fig. 3. 
Ambystoma macrodaclylum, Astoria, Oregon. Fig. 4. Ambystoma vehiculum, Astoria, Oregon. Fig. 5. Batrachoseps 
atlenuatus, California. (Not yet published.) 
Note.—F or the following species see Volume X, Pacific Railroad Report. 
Plate l.—Emys marmorata, (var. nigra,) Western Turtle_____ 293 
Plate XVII .—Eutania vagrans _____ 297 
Plate XLIV.—Fig. 1. Siredon lichenoides, Ground Puppy_____ 306 
Details of anatomy, &c., are given in plates of the same volume. 
FISHES. 
Plate I.—Ambloplites aeneus, Black Bass, &c____ 350 
Plate XI.—Fig. 1-4. Labraz chrysops, Bass of the Mississippi. Fig. 5-8. Stizostedion boreus, Okow or Pike Perch.. 351 
Plate XV.—Fig. 1. Aspicottus bison, Buffalo Sculpin. Fig. 2. Leptocottus armatus, Slender Sculpin_...._ 353 
Plate XVI.—Fig. 1. Scorpaenichthys marmoratus. Fig. 2, 3. Leiocotlus hirundo, (Vol. X, pp. 62, 64.) 
Plate XIX .—Chiropsis constellatus, Starry Chiropsis, (Vol X, p. 42.) 
Plate XX.—Fig. 1-4. Chiropsis pictus, Painted Chiropsis. Fig. 5-8. Chirop>sis guttatus, Speckled Chiropsis, (Vol. X.) 
Plate XXXII.—Fig. 1-5. Embiotoca perspicabilis, The Sapphire Perch_______ 357 
Plate XXXIII.—Fig. 1-5. Damalichthys vacca, Silvery Perch___ 358 
Plate XLII.—Fig. 1-3. Pimelodus olivaceus, Olive Colored Cat Fish. Fig. 4-6. Pimelodus catulus, Kitten Fish__ 359 
Plate XLIV.—Fig. 1-3. Pimelodus ailurus, Blunt-tailed Cat Fish___...... 359 
Plate XLV.—Fig. 1-4. Mylocheilus frater cuius. Fig. 5-8. Mylocheilus lateralis... _ 359 
Plate L.—Fig. 1-4. Acomus lactarius, Milk River Sucker. Fig. 5. Young of the same _ 360 
Plate LI.—Fig. 1-4. Catoslomus sucklii, Nebraska Sucker. Fig. 5. Young of the same _ 360 
Plate LV.—Fig. 1-6. Pogonichthys communis, Nebraska Dace, (Vol. X, p. 247.) 
Plate LX.—Fig. 1-4. Richardsonius balteatus, Steilacoom Killy. Fig. 5-8. R. lateralis, Spotted Killy--36 
Plate LXIII.—Fig. 1-5. Cheonda cooperi, Vancouver Chub Fig. 6-9. Cyprinoid (undetermined) _ 362 
Plate LXVII.—Fig. 1-4. Salmo quinnat, (young,) Quinnat Salmon__ 321 
Plate LXIX.—Fig. 1-4. Salmo gibbsii, (T. tsuppitch, Gkd.,) Gibbs’ Salmon Trout.__ 332 
Fig. 5-8. Salmo stdlalus, Star-spotted Brook Trout___ 346 
Plate LXXII.—Fig. 1-4. Salar lewisii, Lewis’ Missouri Trout- 349 
Plate LXXVI.—Fig. 1-4. Thaleiclithys pacificus, The Eulachon__ 349 
Fig. 5-8. Osmerusprttiosus, Pacific Smelt, (Vol. X, p. 324.) 
Note.—F igures of the following species will be found in other volumes. In volume VI: 
Plate XXII6.—Fig. 5,6. Arledius notospilotus, Ayre’s Sculpin_____ 353 
Plate XXV6 —Fig. 6,7. Gunnellus ornatus, Banded Mud Fish_ 355 
In Volume X: 
Plate XXV6.—Fig. 4,5. Cebidichihys violaceus, Violet Monkey Fish_____ 355 
Plate XXV6.—Fig. 1-3. Lumpenus anguillaris, Eel-shaped Lumpenus.___....__ 356 
Plate VIII.—Fig. 1-4. Pomotis luna, Northern or Moon Sunfish__ 350 
Plate XVII.—Fig. 5,6. Zaniolepis lalipinnis, Rough-skin Sculpin_......_ 353 
Plate XXIII .—Amblodon grunniens, Buffalo or Grunting Perch_____ 355 
Plate XXV .—Porichthys nctatus, Porous Cat-Fish___ 356 
Plates XXXV, XXXVI, Fig. 1-4; Plate XXVI, Fig. 7-8, young .—Ilolconotus rlwdoterus, Golden Barred Perch_ 358 
Plate XLVIII.—Fig. 1-4. Carpiodes damalis, Deer-nosed Carp_ 359 
Plate LIII.—Fig. 5-8. Bybognathus argyrilis, Silvery Minnow_ 361 
Plate LXIV.—Fig. 5-9. Ptychocheilus oregonensis, Oregon Carp____ 363 
Plate LXX .—Fario argyreus, Satsup Salmon_ 326 
Plate LXXI.—Fig. 5-8. Salmo masoni, (Fario clarkii, Gkd.,) Mason’s Trout_ 345 
Plate LXXV.—Fig. 5-7. Meltlta coerulea, Puget’s Sound Herring_ 363 
Plate LXXV.—Fig. 1-4. Hyodon tergisus, Missouri Herring __ 364 
Plate XXIX—Fig. 5-9. Gobio gdidus will be found in United States and Mexican Boundary Fishes.. 361 
