21. Minute Book of the Virginia Court Held at 



Fort Dunmore (Pittsburgh) for the District 



of West Augusta, 1775-1776. Crumrine 90 



22. Minute Book of the Virginia Court Held for 



Yohogania County, first at Augusta Town 

 (now Washington, Pa.), and afterward on the 

 Andrew Heath Farm near West Elizabeth, 

 1776-1780. Cbdmrine 2.26 



23. Minute or Order Book of the Virginia Court 



Held for Ohio County, Virginia, at Black's 

 Cabin (Now West Liberty, W. Va.), &c. 

 Crumrine 1.50 



24. The Records of Deeds for the District of West 



Augusta, Virginia, for the Court Held at Fort 

 Dunmore, &c. Crumrine 1.75 



25. Astropecten (?) montanus, &c. Douglass 10 



26. Astrodon (Pleurocoelus) in the Atlantosaurus 



Beds of Wyoming. Hatcher. {Out of Print.) 



27. Osteology of the Limicolae. Shufeldt 1.00 



28. New Vertebrates from the Montana Tertiary. 



Douglass 1.25 



29. New Genus and Species of Tortoise from the 



Jurassic of Colorado. O. P. Hat 10 



30. Osteology of Oxydactylus. Peterson T.OO 



31. Birds of Erie and Presque Isle. Todd 75 



32. J. B. Hatcher. By W. J. Holland 15 



33. Tropidoleptus Fauna at Canandaigrua Iiake, etc. 



Raymond. {Out of print.) 



34. Two Turtles from the Judith River Beds of 



Montana. O. P. Hay. {Out of print.) 



35. Preliminary List of Hemiptera of Western 



Pennsylvania. Wirtner. {Scarce.) 50 



36. Trilobites of the Chazy Limestone. Raymond. 1.00 



37. Crawfishes of Western Pennsylvania. Ort- 



MANN 1.00 



38. The Geology of Southwestern Montana. Doug- 



lass 40 



39. New Crocodile from the Jurassic of Wyoming. 



Holland 10 



40. Procambarus, a New Subgenus of the Genus 



Cambarus. Ortmann 15 



41. Presentation of Reproduction of Diplodocus Car- 



negei to the British Museum. Holland 15 



42. Birds Collected near Mombasa by William Do- 



herty. Holland 20 



43. Hyoid Bone in Mastodon Americanus. Hol- 



land 10 



44. Additions to Flora of Allegheny County, Pa. 



Jennings 15 



45. New Species of BJieiffia. Jennings 05 



46. Occurrence of Triglochin palustris in Pa. Jen- 



nings 05 



47. New Species of Ibidium. Jennings 10 



48. Agate Spring Fossil Quarry. Peterson 10 



49. Two New Birds from British E. Africa. Ober- 



holser 05 



50. The Chazy Formation and Its Fauna. Ray- 



mond 1.50 



51. A New American Cybele. Narraway and Ray- 



mond 15 



52. Plastron of the Protosteginae. Wieland 15 



53. New Species of Testudo from the Miocene, etc. 



0. P. Hat 25 



54. Miocene Beds of W. Nebraska and E. Wyoming 



and Their Vertebrate Faunae. Peterson 1.00 



55. New Species of Lonicera from Pa. Jennings. .05 



56. Meryocochcerus, etc. Douglass. 



57. New Merycoidodonts. Douglass. (Nos. 56 



and 57 sold together.) 1.00 



58. Further Collections of Fishes from Paraguay. 



Eigenmann, McAtee, and Ward 1.25 



59. Undetermined Element in the Osteology of the 



Mosasauridae. Holland 20 



60. Gasteropoda of the Chazy. Raymond 1.36 



61. Occurrence of Wynea Americana in Pa. Jen- 



nings 05 



62. Account of Pleistocene Fauna Discovered at 



Frankstown, Pa. Holland 10 



63. Vertebrate Fossils from the Vicinity of Pitts- 



burgh, Pa. Case 15 



64. lUaenidae from the Black Elver Limestone near 



Ottawa, Canada. Raymond and Narraway. . .20 



65. Rhinoceroses from the Oligocene and Miocene 



of North Dakota and Montana. Douglass . . .25 



66. Fossil Horses from North Dakota. Douglass. .30 



67. Oligocene Lizards. Douglass 20 



68. The Type of Stenomylus gracilis. Peterson . . .25 



69. New Species of Birds from Costa Rica, etc. 



Carrikeb 10 



70. Costa Ricau Formicariidae. Carrikeb 05 



71. Vertebrate Fossils from the Fort Union Beds. 



Douglass 45 



72. List of the Lepidoptera of Western Pa., etc. 



Engel 1.25 



73. Fauna of Upper Devonian in Montana. Fossils 



of Red Shales. Raymond 60 



74. New Species of Procamelus from Upper Mio- 



cene of Montana. Douglass 30 



75. Sections of the Conemaugh Series between 



Pittsburgh and Latrobe, Pa. Raymond 35 



76. List of the Unionidae of Western Pa. Ortmann .50 



77. Geological Reconnaissance in North Dakota, 



Montana, and Idaho. Douglass 1.00 



78. Botanical Survey of Presque Isle. Jennings . . 2.75 



79. Sesqui-Centennial (Pittsburgh) Relics. Stewart .45 



80. Dromomeryx, New Genus of American Rumi- 



nants. Douglass 30 



81. Fossils from Glacial Drift and Devonian and 



Mississippian near MeadvlUe, Pa. Millard. . .10 



82. New Species of Helodus. Eastman 05 



83. Charles Chauncey Mellor. Holland 15 



84. Reports of Expedition to British Guiana, etc. 



Eigenmann 50 



85. Reports of Expedition to British Guiana, etc. 



DUKBIN 25 



86. Odonata of the Neotropical Region, Exclusive 



of Mexico and Central America. Calvert . . . 2.25 



87. Deinosuchus hatcheri, a New Genus and Species 



of Crocodile. Holland 20 



88. Reports on Expedition to British Guiana, etc. 



Blosseb 15 



89. Description of Some New Titanotheres from 



the Uinta. Douglass 26 



90. Annotated List of the Birds of Costa Rica In- 



cluding Cocos Island. Carriker 3.00 



91. Geology of the Coast of the State of Alagoas, 



Brazil. Brannee 40 



92. Fossil Fishes from the Bituminous Shales at Ri- 



acho Doce, Alagoas, Brazil. Jordan 55 



93. Ordovician Trilobites, No. II. Asaphidae from 



the Beekmantown. Raymond 35 



94. Ordovician Trilobites, No. HI. Raymond & 



Nabrawat ' 35 



