ILLUSTRATIONS 
PLATES 
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eWeGa aw Nie Dake mereon tem setae sane eee es i 22 
. Freda meteorite: Groundmass and invasion of fusion____________ 22 
. Freda meteorite: Kamacite and invasion of oxide________________ 22 
. Freda meteorite: Kamacite and eutectic inclusions_______________ 22 
P Bertlestorrenus Piunenrodes ae. tent ee me aimee ieee ee 74 
. Seored bone artifacts from Nebraska, Kansas, North Dakota, and 
SS OUND ESTED EDK: Li eta ee eens ee Sp ae ey ere 100 
. Rib implements from Kansas and Nebraska________--____________ 100 
. Potsherds from Nebraska and North Dakota____-________________ 100 
MENT MASS OL SALGiS, MeCtCOMLCs as = ase na ee ee ee 144 
meOoqarse-octanedrite Sardis, Meteorites. = = ees Hwee ee 144 
. Rhopocrinus spinosus, new genus and species___________________ 155 
. Hind tibia, middle tibia, and tarsal claw of beetles related to 
PRU UG DQG Gi LAT Tse eee ns oe a ae se inte ere Os teas Ya Re ee eS 64 
. Species of Melolontha, Anoxia, Polyphylla, and Rhizotrogus______ 176 
. Species of Cnemarachis, Clemora, and Ancylonycha______________ 176 
. Species of Thamnophthorus and Neodryocoetes__________________ 228 
. Species of Neodryocoetes, Spermophthorus, and Pityophthoroides__ 228 
. Species of Myeloborus, Pityoborus, and Pityophthorus____________ 228 
SA SHELICS OL PEL fO DILLON UES ee ene ec wee LIP sg gs 228 
24. Views of type locality of Polyglyphanodon sternbergi__________-___ Dee, 
s skeletons) of Polyglyphancdon sternbergi. <2 e see 265 
. Restoration of skeleton of Polyglyphanodon sternbergi____________ 265 
Zimemilatmae aloicostellas mew Species — ts ee ee 276 
. Filatima roceliella, new species, F. cushmani, new species, and 
ZCULCTIG DUTT MEWA SPCClOS = See mail ae ei eNO ne ew uae eA 276 
. Aroga websteri, new species, and Gnorimoschema arnicella, new 
iS] hGH feeder maerermeenana i esiaains e le he ae ao ne PPLE A 276 
. Chionodes whitmaneila, new species, Chionodes loetae, new species, 
ANC PATIC TENULCOTNIS; NeW SPCClOS ae ee ee a es 276 
. Arla tenuicornis, new species, Zelleria pyri, new species, and 
CRMOnOCEs LOCLAC MC WaSDCGCl CS tress ea eee ee ees ee eae 276 
. Arla tenuicornis, new species, Gnorimoschema ariicella, new 
Species, and Aroga websteri, new species___________________ 276 
. Abdominal segments of Hvalljapyx duricauda, Catajapyx neotropi- 
calis, and Evalljapyx manni, new species_______________________ 299 
. Metajapyx schwarzi, new species, Mixojapyx cooki, new species, M. 
barberi, new species, and Neojapyx tropicalis, new species_______ 299 
. Nannocharaz seyboldi, new species, Barilius siler, new species, and 
Mannichthys lucileae, new genus and species___________-__-_-_ 348 
. Barbus flomoi, new species, B. boboi, new species, Paramphilius 
firestonei, new species, and Micropanchaz macrurus manni, new 
RTDSD CCHS eee ee ere er ete ee Ue 348 
. Imantodes cenchoa leucomelas Cope, and I. latistratus Cope______ 384 
) Bibvaral Lea baling abt HY OOEO SO a ae ee 474 
. Hlytral declivity and face views of Phloeosinus__________________ 474 
EOrtign Gf penson ‘Quadrancie, -ATiz0Mas: oe ia uc 478 
. View overlooking Curtis ranch, and view across San Pedro Valley 
TOMI OC UNSULS i eT Chee ee rte rr bere pa eee ee OR ea eee 9 Pe 478 
