Tetrapoda

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On the intensity of sound; reply
C. K. Wead

American Journal of Science March 1891, s3-41 (243) 232-235; DOI: https://doi.org/10.2475/ajs.s3-41.243.232
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The gigantic Ceratopsidae, or horned dinosaurs, of North America
Othniel Charles Marsh

American Journal of Science February 1891, s3-41 (242) 167-178; DOI: https://doi.org/10.2475/ajs.s3-41.242.167
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A horned artiodactyle (Protoceras celer) from the Miocene
Othniel Charles Marsh

American Journal of Science January 1891, s3-41 (241) 81-82; DOI: https://doi.org/10.2475/ajs.s3-41.241.81
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The preservation and accumulation of cross-infertility
John T. Gulick

American Journal of Science December 1890, s3-40 (240) 437-442; DOI: https://doi.org/10.2475/ajs.s3-40.240.437
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Notice of some extinct Testudinata
Othniel Charles Marsh

American Journal of Science August 1890, s3-40 (236) 177-179; DOI: https://doi.org/10.2475/ajs.s3-40.236.177
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Notice of new Tertiary mammals
Othniel Charles Marsh

American Journal of Science June 1890, s3-39 (234) 523-525; DOI: https://doi.org/10.2475/ajs.s3-39.234.523
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Distinctive characters of the order Hallopoda
Othniel Charles Marsh

American Journal of Science May 1890, s3-39 (233) 415-417; DOI: https://doi.org/10.2475/ajs.s3-39.233.415
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Additional characters of the Ceratopsidae, with notice of new Cretaceous dinosaurs
Othniel Charles Marsh

American Journal of Science May 1890, s3-39 (233) 418-426; DOI: https://doi.org/10.2475/ajs.s3-39.233.418
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Description of new dinosaurian reptiles
Othniel Charles Marsh

American Journal of Science January 1890, s3-39 (229) 81-86; DOI: https://doi.org/10.2475/ajs.s3-39.229.81
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The skull of the gigantic Ceratopsidae
Othniel Charles Marsh

American Journal of Science December 1889, s3-38 (228) 501-506; DOI: https://doi.org/10.2475/ajs.s3-38.228.501

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