ILLUSTRATIONS 



Ceratomia uiidulosa . 

 Ceratomia catalpcB 

 Dolba hyhrus 

 Lapara coniferaruin . 

 Lapara bonibycoides . 

 Ainorpha modcsta 

 Smerinthus geminatus 

 Smerinthus excmcatiis 

 Smerinthus luyops 

 Smerinthus astvlus 

 Cressonia juglandis 



PAGE 

 26 

 26 

 27 



27 

 28 

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 29 

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 30 

 30 

 31 



To No. 4. 



THE MUSICAL INSTRUMENTS OF THE INCAS. 



Decorations from Ancient Peruvian Terra Cotta Vessels 

 Plate II [Instruments of Percussion, etc.] 



Bone Flutes 



Plate III [Wind Instruments, etc.] 



Descriptions of Flutes Represented o.\ Plate V 



Plate IV [Wind Instruments, etc.] 



Musical Scales ..... 



Gold Ornament from Ica, Peru 



Musical Scales ..... 



Plate V [Flutes] ..... 



3 

 9 



14 



15 



18, 19 



21 



23 

 24 

 25 

 27 



To No. 5. 

 THE COLLECTION OF FOSSIL VERTEBRATES. 



Hall of Fossil M.vmmals ....... 4 



Fossil Skeletons in the Rock ...... 7 



General Arrangement [Diagram] ..... 9 



Skeleton of the Great Marine Lizard in the East Corri- 

 dor . . . . . . . . . • .10 



Hunting for Fossils in the Bad-Lands . . .11 



Divisions of the Age of Mam.mals . . . -13 



Exhibition Halls — Department of Vertebrate P.vl.'Eon- 



toloc;y [Diagram] ........ 14 



Restoration of 'I'itanotherium, an Fxtinct Hoofed Mam- 

 mal of Western America ...... 16 



