. Fresh-water aquaria: their construction, arrangement, and management, with full information as to the best water-plants and live stock to be kept, how and where to obtain them, and how to keep them in health. Aquariums. 210 FEESH-WATER AQtTARIA. is also brown, but rather darker in the centre, and its wing- cases have the appearance of having been scratched from side to side. Its legs are brown. This insect is common, and is frequently found in the company of C. striatus. There are five other species belongiug to this genus, the smallest of which is about iin. in length. The larv» of aU these
. Fresh-water aquaria: their construction, arrangement, and management, with full information as to the best water-plants and live stock to be kept, how and where to obtain them, and how to keep them in health. Aquariums. 210 FEESH-WATER AQtTARIA. is also brown, but rather darker in the centre, and its wing- cases have the appearance of having been scratched from side to side. Its legs are brown. This insect is common, and is frequently found in the company of C. striatus. There are five other species belongiug to this genus, the smallest of which is about iin. in length. The larv» of aU these beetles are somewhat like those of Dytisci, but, of course, smaller in proportion. The genus Il/ybius also possesses seven species, of which I. ater (Fig. 135) is one of the largest, handsomest, and most interesting. Its form is oblong-ovate and convex. Its. Fig. 135. ILYBIUS ATER (MALE AND FEMALE). colour above is black (whence the specific name) with a bronze tinge, and there are upon the elytra two brownish- yellow streaks. The under-part of the insect's body is brownish-black. This beetle is found in many parts of Britain —, around London, in Kent and Norfolk, and in Scotland. I. fuliginosus has somewhat the appearance of a small Dytiscus marginalis, and is found in many parts of Britain. It is about ^in. in length, rather handsome, and looks well in the aquarium. There are oidy three species of the genus Hydatieus found in Britain, all of which are oblong-ovate in shape and about ^|ia. in length. The males, like those of the Dytisci and. 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 Bateman, Gregory Climenson. London, L. U. Gill
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectaquariu, bookyear1890
