. Goldfish breeds and other aquarium fishes, their care and propagation; a guide to freshwater and marine aquaria, their fauna, flora and management. Aquariums; Goldfish. MOLLUSCS, VERMES AND HYDROZOA. FIG. 158. Goniohasis njirginica. near the middle of the body whorl, but one or both are sometimes absent. The slen- der body is pale orange above and bluish white below, banded by irregular interrupt- ed black lines. It occurs in the above mentioned local- ities and is very abundant in the Delaware and Schuylkill rivers. G. multineata. Fig. 159, is also common in the tributaries of the Delaware
. Goldfish breeds and other aquarium fishes, their care and propagation; a guide to freshwater and marine aquaria, their fauna, flora and management. Aquariums; Goldfish. MOLLUSCS, VERMES AND HYDROZOA. FIG. 158. Goniohasis njirginica. near the middle of the body whorl, but one or both are sometimes absent. The slen- der body is pale orange above and bluish white below, banded by irregular interrupt- ed black lines. It occurs in the above mentioned local- ities and is very abundant in the Delaware and Schuylkill rivers. G. multineata. Fig. 159, is also common in the tributaries of the Delaware river and in the Middle States. It has a gradually tapering very slightly convex ^ to ^ inch long conical yellowish-brown shell of seven whorls marked by a number of reddish or brown bands, a pointed ob- long aperture and a usually eroded apex. It is also com- mon to Eastern and Middle FIG. 159. Goniobash multineata. States river systems. Anculosa. Many species occur in all the Middle-Western and South- ern States but only one species is generally distributed in the Middle States. A. carinata,Fig. 160, has a conical dark horn-colored or blackish ^ inch long shell, very variable in appearance, with three or four whorls, all more or less keeled on the middle of the whorls. The suture is but slightly indented, the apex often truncated but usually eroded, and the aperture oval and one-third as fig. 160. Ancuhsa cannatus. longas the shell. Varieties of this species are very generally found in streams and rivulets throughout the Middle and some of the New England States. SircciNEA. This genus contains the most generally distributed semi- aquatic snails which are only a part of their existence in freshwater, making their homes in marshes and the mudbanks of ditches,ponds and streams and are found in swampy places or on plants along the banks. They are to be distinguished from the aquatic snails by the presence of four cylindrical tentacles, the longer bearing the eyes. They are not de
Size: 1041px × 2401px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectaquariu, bookyear1908
