xiv List of Illustrations 
PAGE 
Rhinichthys dulcis, Black-nosed Dace. ... 06... ccc cece cece eee 164 
Notropis hudsonius, White Chub. ... 2.00... ec eee cece eee nett 165 
Ericymba buccata, Silver-jaw Minnow...........-.+++- bagel geaipar els gidiaed dea epost des 165 
Notropis whipplet, Silverfin. 2.2.0... ccc cree nn ence ence nen aes 166 
Campostoma anomalum, Stone-roller.......-. 6.0 0c eee eee eee 167 
Head of Day-chub, Exoglossum maxillingua, .......6 cece cece eee eee 167 
Semotilus atromaculatus, Horned Dace..............00 00 cee e eee eee eee 168 
Abramis chrysoleucus, SHINel. +000. cscs one ia 8a rhe ERT ERAN Eo REA S 168 
Ptychocheilus grandis, Squawfish. . ....... 0.0... 0 cece eee eee eeeeee ee 169 
Leuciscus lineatus, Chub of the Great Basin.............-.00 0. cee eee eee 169 
Lower Pharyngeal of Placopharynx duquesnit........00 00000 ccc eee eee 171 
Erimyzon sucetta, Creekfish or Chub-sucker.. ..........0 0-00 e eee eee ceca ee 172 
Ictiobus cyprinella, Buffalo-fish... 0... 0.006. 173 
Carpiodes cy prinus, Carp-sucketeci. es ae na cess eee ty tasacted beune hed auea 173 
Catostomus commersoni, Common Sucker.......... 0.00000. e eee eee eee 174 
Catostomus occidentalis, California Sucker.......... 60.0.0 c cece e eee 174 
Pharyngeal teeth of Oregon Sucker, Catostomus macrocheilus................- 175 
Xyrauchen cypho, Razor-back Sucker... ..... 0. eee eee eee eee 175 
Felichthys felis, Gaff-topsail Cat. ........ 00.0 cece cece eee ee eee eee 179 
Galeichthys milberti, Sea Catfish... 2.2.0.0... cee nce eee 179 
Tctalurus punctatus, Channel Catfish.......... 2.00.00... 0000 c eee e eee 180 
Ameiurus nebulosus, Horned Pout........... 00.060 cece ccc 181 
Schilbeodes furiosus, Mad-tom. Showing the poisoned pectoral spine. ........ 182 
Tor pedo electricus, Electric Catfish... 2.0... 0... eee ene 183 
Chlarias breviceps, African Catfish... 0.0... 0.00 eee 185 
Loricaria aurea, Mailed Catfish from Venezuela.................-. 000220 ee 186 
GHELNONEMUS CUPUULOSIPIS 3.0.5. 5006 ns ox oan LETHE BES Ree ae EE Ghee MORES aH EASE 189 
Fess LUCIUS 3. PA Os eect carts ascatces cron nce tiem iashanecaace dts BeTHORS 503 ee eee -+ IQ 
Esox masquinongy, Muskallunge................ 0.00. 020000- Se vhiges dnchnrce ani wis 192 
Umbra pygm@a, Mud-minnow. .......... 0660 cee eee eee 193 
Anableps dovit, Four-eyed Fish. ......6.. 0.00. e cece cece eee e nena 195 
Cyprinodon variegatus, Round Minnow. ............. 0000. e cece cece e eee 196 
Jordanella floride, Everglade Minnow... .......... 0.0.02. cece eee eee 197 
Fundulis majalis, Mavfish (male).......-..00. 0.00 cece cece cece ee eee 198 
Fundulis majalis, Mayfish (female)... 2.2.0... 0... cece cece eas 198 
Zygonectes notatus, Top-minnow. ....... 0.60... cee ccc eee es 198 
Embpetrichthys merriami, Death Valley Fish.................0.00000 0c eee 199 
Xiphophorus helleri, Sword-tail Minnow (male)................0...0.0.00.. 199 
Goodea luitpoldi, a Viviparous Fish. ........... 00... 200 
Chologaster cornutus, Dismal Swamp Fish..................0. 0000000 ecu, 201 
Typhlichthys subterraneus, Blind Cave-fish................ Sblelpraesh tls Gea Saad ey 202 
Amblyopsis speleus, Blindfish of the Mammoth Cave............ Gissesics nee 203 
Dallia pectoralis, Alaska Blackfish... . 1.0... 6.000 c cece cece eee eee ane 206 
Tylosurus acus, Needle-fish. 2.0. 0. .e0 cbc eect ccna e ees eu eb eenns 210 
Scombresox Saurus; SAUL... 69:50 ta ancs teu w ee eee ekg gn eae GA EA De LOS aa are ak 212 
