646 



TERTIARY INSECTS OF NORTH AMERICA. 



Systematic List of tiie Species Described ix the Puesent Work, etc.— Continued. 



1 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



12 



13 

 14 

 15 

 16 

 17 

 H 

 19 

 20 

 21 

 22 

 23 

 24 

 25 



26 



27 

 28 

 29 

 30 



31 

 32 

 33 



Systematic list of species. 



Groups, gener.a, and species. 



Cydnida — Cont'd. 



Necrocydnus stygius 



Necrocydnus ainyzouus 



Necrocydnus senior 



Necrocydnus soli Jatus 



Necrocydnus reveetus 



Tblibomenus xjetrens 



Thlibomeuus parvus 



Thlibomenus perennatns 



Page. 



Tblibomenus macer 



Cyrtomenns concinnus 



Discostoma sp 



Penlatoniida. 



Teleoschistus antiqnus 



Teleoschistus rigoratus 



Teleoschistus placatus 



Tbnetoschistus revulsns 



Poteschistus obnubilus 



Cacoschistus maceriatus 



MatiEoschistus limigenus 



Polioscbistus ligatns 



Polioschistus lupidarins 



Pentatomites foliarum 



Tirosohistus ludurescens 



Tblimnioscbistus gravidatus . 



Mecocephala sp 



COLEOPTERA. 



RHYNCHOPHORA. 

 Anthribid.e. 



Choragiis fictilis 



Brachytarsus pristinus 



Cratoparis repertus 



Cratoparis elusus 



Hormiscus partitus 



SCOLYTID.'E. 



Hylastes squalideiis 



Dryoctetesimpressus 



Dryocaetes carbonari us 



451 

 451 

 452 



454 

 456 

 457 

 458 

 458 

 459 

 460 

 461 

 461 

 462 

 463 

 463 

 464 



465 

 466 

 466 

 467 

 467 



468 

 470 

 470 



Plate and 

 figure. 



28: 16 

 28: 13 



19: 23 



23: 12 



7: 14 

 22: 6 



2: 17-19 



28: 14 



28: 3 



28: 6 



28: 18 



28: 2 



28: 7 

 28: 10 

 28: 1 

 22: 4 

 28: 11,19 

 28: 8 



8: 9 

 7: 26 



8: 4 

 8: 40 

 8: 17 



1: 23-25 



8: 28 

 8: 6 



Localities where found. 



a 



=s 6 

 go 





O 



..( X 



O QO" 



"si?? 



m 



Geological 

 horizon. 



Oligocene - 



....do 



....do 



....do 



....do 



....do 



....do 



....do 



....do 



....do 



....do 



....do 



Oligoceue. 



....do 



....do 



....do 



....do .... 



...do 



1o . 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 



do. 



Oligoceue . 



...do 



...do 



...do 



...do 



S.O. 



Pleistocene . 

 Oligocene . . 

 ....do 



