Cronnian Lecture - The evolution and origin of the Amphibia

[1] ABEL O, 1919, STAMME WIRBELTHIERE

[2] AMALITZKI B, 1921, SEYMOURIDAE

[3] ATTHEY T, 1878, ANN MAG NAT HIST 5, V20, P369

[4] ATTHEY T, 1876, ANN MAG NAT HIST, V18, P146

[5] BARKAS WP, 1873, COAL MEASURE PALAEON

[6] BRYANT WL, 1919, B BUFFALO SOC NAT SC, V13, P2

[7] Budgeti JS, 1900, P CAMB PHILOS SOC, V10, P236

[8] BUDGETT JS, 1901, T ZOOL SOC, V16

[9] Case E.C., 1915, PERMO CARBONIFEROUS

[10] Cope E.D., 1877, P AM PHILOS SOC, V16, P573

[1] ABEL O, 1919, STAMME WIRBELTHIERE

[2] AMALITZKI B, 1921, SEYMOURIDAE

[3] ATTHEY T, 1878, ANN MAG NAT HIST 5, V20, P369

[4] ATTHEY T, 1876, ANN MAG NAT HIST, V18, P146

[5] BARKAS WP, 1873, COAL MEASURE PALAEON

[6] BRYANT WL, 1919, B BUFFALO SOC NAT SC, V13, P2

[7] Budgeti JS, 1900, P CAMB PHILOS SOC, V10, P236

[8] BUDGETT JS, 1901, T ZOOL SOC, V16

[9] Case E.C., 1915, PERMO CARBONIFEROUS

[10] Cope E.D., 1877, P AM PHILOS SOC, V16, P573