ILLUSTRATIONS XI 



TEXT FIGURES 



FIGURE PAGE 



1. The Cave Salamander (Spdcrpcs maculicaudus); a melanistic individual 

 from Marble Cave, Missouri. From Banta and McAtce, U. S. N. M.. . 48 



2. The same, side view. U. S. N. M 48 



3. A Liparid {Carcproclus acanthodes) from the Gulf of Tartary. From 

 Gilbert and Burke, U. S. N. M 48 



4. A brilliantly colored reef fish (Holacanlhus polteri) from Honolulu. From 

 Jordan and' Metz, U. S. N. M 48 



5. Another reef fish {Chromis vsratcr) from Honolulu. From Jordan and 

 Metz, U. S. N. M 48 



6. A Butterfly Fish (Chaetodon argentatus) from the Philippine Islands. 

 From Smith and Raddiffe, U. S. N. M 48 



7. Another Butterfly Fish {Holacanlhus multifasciahis) from the Philippine 

 Islands. From Smith and Raddiffe, U. S. N. M 48 



8. The Lake Trout {Cristivomer namaycush). Bur. Fish 50 



9. The Brook Trout (Sahelinus foiitinalis). Bur. Fish 50 



10. A Flying-fish {Cypsiliirus spilonoloplcnis) with the "wings" raised. 

 From Jordan and Dickerson, U. S. N. M 50 



11. Another Flying-fish {Cypsilurus agoo) as it appears under water. From 

 Jordan and Starks, U. S. N. M 5° 



12. A Trigger-fish {Balistes polylepis) from Peru. From Evermann and 

 Raddiffe, U. S. N. M 53 



13. A Ballyhoo or Half-beak {Hemiramphus balao) from Cuba. From 

 Jordan,' U. S. N. M 53 



14. A Moray {Gvmnolhorax wieneri) from Peru. From Evermann and 

 Raddiffe, U. 'S. N. M • 53 



15. The x\tka Mackerel {Plcurogrammus mono plery gins), a very important 

 food fish in the Aleutian Islands; it is not even remotely related to any 

 true mackerel. Bur. Fish 54 



16. A Snipe-eel {Avoceltina gilli), a fish from deep water. Bur. Fish 54 



17. The Tundra Fish (Dallia pccloralis). In the v/inter this fish is frozen 

 solid, but it becomes as lively as ever again when thawed out. Bur. 

 Fish 54 



18. A Tritri {Sicydiuni hiiscki) from Haiti; the young in the West Indies are 

 eaten under the name of "white-bait," a term properly applied to salmon 



fry. From Evermann and Clark, U. S. N. M 56 



19. A Pipe-fish {Sygnathiis pdlcgrini). U. S. N. M 56 



20. .\ Loach {Lefua cchigonia) from Japan. From Jordan and Richardson, 



U. S. N. M 56 



21. The great Fork-tailed Cat of the Mississippi {Ictalurus furcatiis); this 



fish reaches a weight of 210 pounds. Bur. Fish 56 



22. A fresh water fish {Mormyriis goheeni) from Liberia. From Fowler, 



U. S. N. M S6 



