. A text-book of agricultural zoology. Zoology, Economic. COCKROACHES (BLATTID^'^. 253 the Common Black Beetle (Blatta orientalis), which is dark chestnut - brown; Periplaneta americana, or the American Cockroach, a much larger species, often an inch and three- quarters long, with a yellowish thorax with chestnut-brown markings, chestnut-brown wings, and the antennae very long. The third species is caUed the German Cockroach (P. ger-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these i
. A text-book of agricultural zoology. Zoology, Economic. COCKROACHES (BLATTID^'^. 253 the Common Black Beetle (Blatta orientalis), which is dark chestnut - brown; Periplaneta americana, or the American Cockroach, a much larger species, often an inch and three- quarters long, with a yellowish thorax with chestnut-brown markings, chestnut-brown wings, and the antennae very long. The third species is caUed the German Cockroach (P. ger-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Theobald, Frederick Vincent, 1868-1930. Edinburgh and London, W. Blackwood and sons
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1899
