lV 
Recent LITERATURE. 
Contents. 
A new edition of Sachs’ Botany, 60 ; , eats A the cervical Vertebræ in Chelonians, 6r; 
n the Noxious enefici 
ng 
Summer Birds RO me Catskill, Pe ; Faiet s Notes on some Fossil Mammals, 183; Nicholson’s 
Synopsis of th e Ani ph 5 Kingdon 184; Recent Books and Pamphlets, 184 ; 
I 
h 
. cal Yearly Record, 394; ssn ice of LeCont 's Geology. 39 5; Zittell’s Mand-book of Pal- 
zontology, 396; Davis’ Glacial Erosion, e Lyman’s expedition, 
397; Miller’s American Palzozoic Fossils, Remik 6 n the Systematic Aaa ement of the 
American Turdidæ, 398 ; The Unite ao y came Repi for 1881 and 1882 [Illustrated], 
phlets, 401; Lieut. Symonds’ Report on the Upper Columbia 
Mosie’s How to Dissecta Bird. as ; aes ea of nee Caprellidz, 633; The Ge logical 
a. od 1878, 634; Geological Survey of Ohio, 634; King’s Economic Relatio is aes Wiscons 
Bi 6; The Zoological Record for 1881, 637; Recent Books and Pamphlets, 
GENERALI NOTES., 
Geography and Sins Tompi Stations, 185 ; Danish Arctic Expedition, mi; Arctic 
Items, 176; Scientific Results of the Jeannette Expedition, 187; Geographical Notes, 188; Africa, 
301; aye i, 302; Geogra ae Notes, 304; nn: 402; The Oasis of Ouargla, 403; i graphi- 
cal N 404; Arctic Items, 527; Cape Horn Pedia, 528; Asia, 528; Salt and 
Ivens’ poes in Central and West Africa, 530; Asia, 641; Africa, 642; Geographical 
Notes, 644. 
G i Palæontol On Uintath d Bathmodon, 68; The Nevada Biped Tracks 
urate 68; The Ploy of Chester county, Penna., 72 ; Kowalevsky on Elasmotherium, 72; 
wo new Genera of Pythonomorpha, 72, Scudder on Triassic Insects, 73; Some Tertiary Neu- 
bottom under the . 305; The Tertiary sits o lope, 308 ; 
A new fossil Sirenian, 309 ; The Geological Structure of South America, 309; Geological News 
33 
genus aces (Mcrae, 535; Geological Notes, 535; The Decay of Rocks Geologically 
Considere Annual 
, 645: Geology of the Chester valley of Dees oe a 
Report of the State Geologist = “New Senay pa 1882, 648; The Tides on the 
f49; A New Iguanodon, 650; Geological News, 65 
Mineralogy —The Mechanical Separation of Minerals, 74; Axinite from Bethlehem, 75; 
Samarskite from Canada, 76; The Cryolite group of Minerals, 76; Heating oe. for the 
Microscope, 76; Mineralogical Notes, 76 ; Analyses of some Virginia minerals, 312 ; Analyses o 
e North Ca Carolina minerals, 313; A new variety of Bournonite, 314 ; Native Gold alloys, 314; 
