LIST OF ILLUSTRATIONS. XYTI 



I'LATK-;. 



FaciiiK page. 



1 . Si'ha.'<to(h's sc[/thropHS ] 70 



2. Seb((Modes fiixcescens 1 Tt) 



3. Episternuin of MetnpoitiiiirnA fr<vi>^i lit*} 



4. External aspect of right huineriiiJ of Placerias hrshrnu.-; 1 i)(> 



5. Map of South Amerira, <listrihution of the subs^pecies TrnglmlijUs umsraluH 210 



6. Fresh-water Bryozun 222 



7-8. Killer whale, Orc'mus orca 2;;0 



0. Some Cuban bats .';48 



10-26. American Siphonaptem 470 



27-37. Aleyrodidx of California 538 



38-42. Dragon-fly nymphs 720 



43. Labial characters of drago:i-tly nymphs 720 



44. Dragon-fly wing venation 720 



45—46. Limipecten texanus and Pii^uropihorella papulosa 736 



47. Limipecten texanus and Clarnlitfs howardensis 736 



48. Goniopldehium pringlei klaxon 954 



49. Persimmon Creek meteorite 9(>0 



50. Cross sections of mass, show ing structure 960 



