. 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. WATEK-BEETLES. 199 of the species of the two families. But some of the Hydro- philidce seem to have legs fitted for crawling over aquatic plants rather than for swimming, while not a few of the DytiscicLoe progress in the water like members of the Myd/ro- pMlidcB. In distinguishing the different genera and species of aquatic beetles it is necessary to pay attention to colour,
. 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. WATEK-BEETLES. 199 of the species of the two families. But some of the Hydro- philidce seem to have legs fitted for crawling over aquatic plants rather than for swimming, while not a few of the DytiscicLoe progress in the water like members of the Myd/ro- pMlidcB. In distinguishing the different genera and species of aquatic beetles it is necessary to pay attention to colour, size, structure, and sculpture, but especially to the latter two. 72—. Fig. 130. Enlarged Outline op Male Water-Beetle (Dytiscus marginalis). a. Antennae; 6, Maxillary Palpi; c. Bye; d, Fore-Leg; e. Thorax; /, Middle Leg; g. Elytron; A, Suture ; », Hind-Leg; j, Claw; k. Tarsus or Foot; I, Tibia or Shank; m, Femur or Thigh; n. First three Joints of Foot, widened into a Plate possessing Suckers underneath. Certain DytiscidoB, such as Dytiscus marginalis, must not, as every keeper of an aquarium, knows, be placed among fish and other defenceless inhabitants of the water, but in separate vessels, where they will be interesting and instructive. But some of those beetles, if properly managed, can be with advantage placed in the ordinary aquarium, for they will act. 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
