Ki/UUS ItKDS OF TllK OKKGON DESERT. 
carolinaisis. 
Anas discars. 
Anas cyanoptera ? 
Spatnia clypeata. 
Dafila acuta. 
Aix sponsa. 
Aythya marila ncarclica ? 
(Aauciottella islaudica. 
C/an/pda hyetnalis. 
A user condoni sp. nov. 
Jtrania hypsibatus. 
Jtranla propinqua sj). nov. 
Jtrania canadensis. 
Anser albifratis gantbeli. 
CJtcn Jcyperborca. 
Olor patoregonus. 
ODONTOGLOSS.®. 
|*itir.xi(-orrt:MtnK up. nov. 
It in tt fuel «»f no little* intereHt that a P'lutningo inhabited the shores of the 
Inken of the Silver hake region of On*gon during the Pliocene epoch. It wasii bird 
ebimdy nllieel to (»ur e.<cisting IVnvnicoplcrus ruber, and slightly larger than it. 
Feindil nuimiiiH «»f the n|H*<MeH. which iK-longed to two or more individuals, are in the 
rolleetioii of Profe'nnor ( Vi|h*, and they consist of the following lajiies : a left os 
quadralMtH (nearly p»*rftH’t), a right coracoid (very nearly perfect), a pro.xiinal 
plinlanx of the iinlex digit e>f the right |)ectoral limb (jierfect), a right tibio-tarsu.>< 
from a aulmdiilt individual (lacks the proximal end and outer condyle), a left tibio- 
tamiin from an adult individual (iin|K*rl'ect. has the distal end and inner side of the 
lower half «if the nhafl), a tarso-inetatarsus from an adult individual, left pelvic 
limb (distal hall only, jawfecl). a lower end of the same bone from another speci- 
men (|M*rf.-ct ns far as it gm-s), a basal phalanx of the mid-anterior toe of the left 
Hvic limb (adult, and in-rfect), and several other fragments of long Ixjiies, includ- 
ing a tnCMMiietatarsiis of a very young bird. 
I l,.vr all tl....;. U..„, ,vit|,',l,o correspomllug ones f.x,.n a akekton 
1 am convinc.,1 that the extinct fonn was f""' "''^h those of the existing species 
onger winged and longer legged and 
