Elementary text-book of zoology v. 1, Volume 1W.S. Sonnenschein & Company, 1884 |
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Common terms and phrases
abdomen alimentary canal ambulacral Annelids antennę anus apparatus appendages asexual attached become beneath blood body cavity branchial calcareous caudal cells ciliated connected consists contractile copulation Crustacea Decapoda disc distinguished duct ectoderm eggs elongated embryo external eyes Fabr feet female fibres formation ganglia ganglion genital opening gills give rise glands head heterogamy hind insects intestine joints larva larvę lateral layer Leuckart live lobes male mandibles maxillę maxillipeds Medusa membrane metamorphosis mouth muscles muscular nerve nervous system ocelli oral organs Orthoptera ovary ovipositor ovum pairs of legs palps papillę parasitic pedipalpi placed Polyps possess posterior present proboscis processes prothorax protoplasm pupa radial region rčgne animal reproduction rudimentary sacs setę sexual shell side skin sometimes species spine stage structure Sub-order sucker suctorial swimming tentacles terminal thoracic tion tissue trachea tubes usually vas deferens vascular ventral ventral surface vesicle vessels viviparous wings worms yolk