. The British woodlice, being a monograph of the terrestrial isopod Crustacea occurring in the British Islands. Crustacea -- Great Britain; Oniscidae; Anthropoda; Invertebrates. I?07:^ja/, Mate ! Ventral P^a&; FIG. 9.âTHE " UPPER ; (Pni%cn% asellus ) ^-VV ~""^-^<P^«^^ Arm -^ ';r'-IscAiopopodilB '-â¢â â ..^f' FIG 10.âTHE "lower lip.'' (Oniscus asellus.) j IfflF ./^^ FIG. II.âA TYPICAL THORACIC SEGMENT {flniscxn asellus.) they all agree in having two divisions, an arrangement which would prove awkward in limbs used for walking or feeling. ( Wll^
. The British woodlice, being a monograph of the terrestrial isopod Crustacea occurring in the British Islands. Crustacea -- Great Britain; Oniscidae; Anthropoda; Invertebrates. I?07:^ja/, Mate ! Ventral P^a&; FIG. 9.âTHE " UPPER ; (Pni%cn% asellus ) ^-VV ~""^-^<P^«^^ Arm -^ ';r'-IscAiopopodilB '-â¢â â ..^f' FIG 10.âTHE "lower lip.'' (Oniscus asellus.) j IfflF ./^^ FIG. II.âA TYPICAL THORACIC SEGMENT {flniscxn asellus.) they all agree in having two divisions, an arrangement which would prove awkward in limbs used for walking or feeling. ( Wll^ VCdcera \. drvod pouc^. \ \Basal FIG. 12.âTHE FIFTH THORACIC SEGMENT OF A FEMALE. (Oniscus asellus.) The inner plate (or endopodite) is in structure a gill, but the blood that passes through it, is enabled to take up oxygen. 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 Webb, Wilfred Mark, 1868-; Sillem, Charles. London, Duckworth & Co.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinverte, bookyear1906
