704 INDEX. 
Page. 
Norbhi@arolina, ethnological visitiom==-).2 sss. == sees ee a ee ae 33 
North German @uloyd, orant tree frevo ity esse eee ee eee 43 
Norwegian Geological Survey, donations to library by..---..----.--------- 59 
Nonway,,exchan oe,agency forisseecs sees see eee eee oe oeeee eee 44 
Jovermmental exchanges withpa==2see esses ese ae reese eee ee 47 
transmiIssionsinadeitOnss-s- oss eee eee eee eee ee eee 46,47 
Nycticorax nycticorax nevius added to Zodlogical Park .-.--...-.-...----- 52 
Nyctalaiacadicaraddedito Zocloricaly Park 2 e2- see) - eee eeeeaaee ee eee 52 
O. 
Observatory, a Southern, paper by A.M. Clerke..-.--..-._..-------.-------- 115 
(See Astro-physical observatory.) 
Ocelot added! to) Zoolovical Parks ae ser sae eee eee eee 52 
Ocelrichs ic (Co, cramtiinee iretehti ss se- eee eee eee ee eee 43 
Office of Chief of Engineers, exchange relations with -.--..-...-..-----.---- 41 
of Indian Affairs, exchange relations with .......----.<----.--------- 41 
work. of Bureau of Ei thn Ol O my. 9-5 shoe pee ae eee 21, 33 
Officersiof the Institution: >.< 222 2.262652 reseee (os) -e eee a ee 1X 
other Governmental Departments acting as curators in National 
MUSCUIMN GR. 3.05 en ete mem cores eetlces Secs ce oer soe ee Ree 16 
Official documents, international exchange of -......-.:---.-------.=---f--=- 11, 40, 41 
Ohioystate Library, donations tolibrany Dy o-.-s.s9225. = 2-225 — =e eee eee 58 
alleys mound sin jexaminatloniotece sss cessor ses aee eee eee eee eee 29 
Ohm |GeoreeiSimon scien tite qworkiots sss. yaa pees see eee eee eee 247 
Oilsvandioums: collection of, accessions tO. = = sane ee ee eee a eee 19 
Ojibway reservations visited by Dr. Hoffman...-......-..-.---.------------ 32 
shamans) works on, im prepatablonss= sess = eee eee eee 35 
Olmstead, Mr., suggested improvements in Zodlogical Park ......-------. 49 
Omaha and Ponka letters, paper on, in preparation ...-...-.--...---.------ 34 
dwellines* paperion, imapreparablonies = ees see= = eee aee eee eee 34 
Opheosaurus ventralis added to Zoological Park...-.....-...-....-----..-- 52 
Ophibolus doliatus and getulus, added to Zoélogical Park ......-.---------- 52 
Opossummadded. to Zoalopreal Parle. er. sec tae eres Sek ee era ee 52 
Ordnance Bureau, exchange relations with -*2 = 2-2-2 -6 = oso s2 = eee 41 
Onoeanicach Mo diicahlongor neg uuIne deer ess eee =e e see eae ae eee eee XVIL 
Oriental antiquiblesssaccesslOnssbOces= soem eeteecn se sae ae eee ete iy) 
Origin of the rock-pressure of natural gas, paper by Edward Orton .-....--- 155 
Orton, Edward, paper on the origin of the rock-pressure of natural gas ---- 155 
Osteolooy-colllechion; accesslonisibOls=s—-—ea-ee eee eae ee eee eee ee eee 19 
Otocoristalpestris addedito) Zoolopical (ark==--— sse=s- 2 eee eee 52 
Ottawa; Canada, exchange agency im..--=.-.-.-.---.-------<- EE aid 44 
Ottawalndlans visibedubyaOn? (klothman eco. sce ee seo eee eee 32 
Ovis montana, at Zoological Park, died of apoplexy ...--.......-----.---- 51 
Owen; Robert) Dale statueOie-ct 22 50sec ese eees eo ee eae eee 13 
Owls added to: Zodlogical Parke. - 2. 5-22 ass s25 5 eee on eee eae eee eee eee 52 
Oxygen, density of, apparatus for determinations of.......-....--...------- 6 
1B 
Pacific islands. donations to Zooolgical Park from---2-.-----.-2:.-.------- 25 
Mail Steamship Company, grant free freight -..........-..-.------- 45 
Packages'received by Exchange Bureau 2o-2-s25-2----s see oe see 11, 38, 39, 41, 42 
Packing-boxes paid on account of internatioual exchanges ----.---.-.-------- 40 
Parve, Hon. Harlan. donations to library sDyeac2 --see eee eee 58 
