File: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 (14579924437).jpg

Identifier: goldfishbreedsot00wolf (find matches)
Title: 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
Year: 1908 (1900s)
Authors: Wolf, Herman Theodore, 1855-
Subjects: Aquariums Goldfish
Publisher: Philadelphia : Innes & sons
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
and developingfoliage buds at the extremities, but ofothers which grow upward. Shoots arealso developed terminating in a kind ofbladder composed of two concave bractsoverlapping each other, within which theflowers are enclosed. Of the individualplants some develop pistillate or femaleflowers only and others staminate or maleflowers, both small and inconspicuous.The female flowers develop on very longspiral scapes and split when the stigmashave reached the pollen-receiving stage andthe flowers are thrust above the water.The male flowers are borne on short stalksnear the bottom; which, when fully de-veloped, break away from their stalks, riseto the surface, and as they float aboutconvev the pollen to the female flowersand so fertilize them; after which the longflower stalks twist themselves into tightspirals and draw the flowers below the „ „ , „ „„...,. r FIG. 114. Eel Grass, I allistieria spiralis. Surface, there tO ripen the fruit. Male and female plants. Reduced one-half.
Text Appearing After Image:
AQUATIC PLANTS OF FRESHWATER In the natural state Vallisneria usually dies down to the tuft in thecold winter season, but in the aquarium it may thrive the entire yearand is a very graceful and ornamental plant and an excellent oxygenator.It may be distinguished from the ribbon Sagittarias by the narrower andmore uniform width of the leaves, their usually rounder and more blunttips, their thinner, more distinctly nerved and veined appearance and themore sharply defined midribs; also the distinct close nerves at both edgesof the leaf and the absence of the cellular structure, which is very markedin the leaves of Sagittaria. In the aquarium it should be planted deeplyand the runners kept well under the pebbles or sand. The young springgrowth is most likely to survive and become acclimated to householdconditions. A cultivated variety, V. spiralis gigantea (Hort.) recently developed,has y2 inch broad and i to 3 feet long leaves. It grows better in aquariumconditions than the common native

Note About Images