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XV.— Descriptions of species of Hippothoa and Alecto from the lower Silurian rocks of Ohio, with a description of Aulopora arachnoidea, Hall
Nicholson, H. AlleyneVolume:
15
Language:
english
Journal:
Journal of Natural History Series 4
DOI:
10.1080/00222937508681038
Date:
February, 1875
File:
PDF, 414 KB
english, 1875