LIST OF ILLUSTRATIONS. 



PLATES. t, . 



Facing 



page- 



1. 1. Thysanopoda cornuta Ilhg. 2. Euphausia pacifca H. J. Hansen. 3. T%- 



sanoessa longipes Brandt 114 



2. 1. Thysanoessa longipes Brandt. 2. T. inermis Kr0yer 114 



3. 1 . Thysanoessa spinifera Holmes 114 



4. 1. Tessarabrachion oculatum H. J. Hansen 114 



5. Audital bullae of jaguars 170 



6. New diptera from northeastern Mexico 186 



7. New diptera from northeastern Mexico 186 



8. Holothurians from the northwestern Pacific Ocean 292 



9. Holothurians from the northwestern Pacific Ocean 292 



10. Holothurians from the northwestern Pacific Ocean 292 



11. Holothurians from the northwestern Pacific Ocean 292 



12. Fossil flora from the Mississippi River bluffs 304 



13. Fossil flora from the Mississippi River bluffs 304 



14. 1. Raja montereyensis. 2. Xenognathus profundorum 380 



15. 3. Lampanyctus ritteri. 4. Zastomias scintillans. 5. Melamphaes bispi- 



nosus 380 



16. 6. Melamphaes nycterinus. 7. Sebastodes zacentrus. 8. Sebastodes wil- 



soni 380 



17. 9. Icelinusfuscescens. 10. Xeneretmus leiops. 11. X. ritteri 380 



18. 12. Paraliparis mento. 13. P. albescens. 14. P. caudatus 380 



19. 15. Lipariscus nanus. 16. Embryx parallelus. 17. Maynca calif ornica 380 



20. 18. Lycogramma brunnea. 19. Bothrocara remigera. 20. Lycodapus mandi- 



bularis 380 



21. 21. Lycopadus lycodon. 22. L. attenuates. 23. Nematonurus abyssorum... 380 



22. 24. Monoceratias acanthias 380 



23. Jaws of Myrmecoboides and Myrmecobius : 395 



24. Wings of new species of crane-flies 444 



25. 1. Citharoides macrolepidotus . 2. Arnoglossus japonicus . 3. Engyprosopon 



xystrias 496 



26. 4. Laeoptichthysfragillis. 5. Hippoglossoides propinquus. 6. Limanda sah- 



halinensis 496 



27. 7. Limanda asprella. 8. L. korigarei. 9. Symphurus hondoensis 496 



28. Living larva of Dimorphopteryx castaneae 502 



29. The Fisher, Polk County, meteorite 506 



30. Skull and teeth of Bison sylvestris J 576 



31. Face view of forehead and horn-cores of Bootherium nivicolens (1) and side 



view of skull of B. sargenti (2) 576 



32. Side view of skull of Equus hatcheri 576 



33. Face view (1) and palatal view (2) of skull of Equus hatcheri 576 



34. Upper (1) and lower (2) molars and premolars of Equus hatcheri 576 



35. Skull (1) and upper teeth (2) of Equus francisci 576 



36. Face view (1) and palatal view (2) of the skull of Equus francisci 576 



37. Lower jaw (1) and teeth of right side (2) of Equus francisci 576 



38. Anatomical details of Metaleptobasis 638 



IX 



