. Goldfish breeds and other aquarium fishes, their care and propagation : a guide to freshwater and marine aquaria, their fauna, flora and management. With 280 explanatory illustrations, printed with the text. AQUATIC INSECTS OF FRESHWATER prominent eves, filiform antennae, long and full thorax and segmentalabdomen. This order is now restricted to a few families in the UnitedStates, including the Dobsons or Sialidae, the May- or Shad-flies orEphemeridae; the Stone-flies or Plecoptera; the Dragon-flies or Odonata;and the Caddice-flies or Trichoptera. Dobsons belong to the family of Sialiadae, a
. Goldfish breeds and other aquarium fishes, their care and propagation : a guide to freshwater and marine aquaria, their fauna, flora and management. With 280 explanatory illustrations, printed with the text. AQUATIC INSECTS OF FRESHWATER prominent eves, filiform antennae, long and full thorax and segmentalabdomen. This order is now restricted to a few families in the UnitedStates, including the Dobsons or Sialidae, the May- or Shad-flies orEphemeridae; the Stone-flies or Plecoptera; the Dragon-flies or Odonata;and the Caddice-flies or Trichoptera. Dobsons belong to the family of Sialiadae, and include the Fish-flies,Hellgramites, Alder-flies and others of diverse popular names. They havefour thin, broad, net-veined wings which are folded when at rest. Allare weak flyers with legs scarcely able to support the body. The mouthparts are developed for biting, the abdomen long and slender, the antennaelong, the head broad with protruding eyes, and the mandables well the Fish-flies or Sialis there are but two species, S. infumata and , both small insects which frequent vegetation on the banks ofstreams. The eggs are laid in white cottony masses on plants overhang-ing the
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectaquariu, bookyear1908
