http://etc.usf.edu/clipart/ Free clipart for students & teachers! Welcome to quality educational clipart. Every item comes with a choice of image size and format as well as complete source information for proper citations in school projects. No advertisement-filled pages with pop-up windows or inappropriate links here. A friendly license allows teachers and students to use up to 50 items in a single, non-commercial project without further permission. http://etc.usf.edu/clipart/i/banner.jpg http://etc.usf.edu/clipart/ This website is CoolIris enabled! You can use the CoolIris browser plugin to view the images on this site in an interactive 3D wall.<br><br><br><br> http://www.cooliris.com/ An illustration of a Acanthobdella, a member of the annelid family.... http://etc.usf.edu/clipart/60900/60997/60997_annelid.htm An illustration of a sectional view of a Acanthobdella, a member of the annelid family. "c, Coelom; c.ch, Coelomic epithelium (yellow cells); cg, glandular cells; cl, Muscle cells of lateral line; cp... http://etc.usf.edu/clipart/61000/61016/61016_annelid.htm Amphitrite ornata.... http://etc.usf.edu/clipart/48100/48193/48193_amphitrite.htm "These animals [the Rotifera], called <i>Wheel Animalcules</i>, were formerly included among the Infusoria, but are now classed with the Articulata: they are chiefly known to us by the microscope, the... http://etc.usf.edu/clipart/14900/14997/wheelanim_14997.htm This diagram shows a fresh-water annelid. a, appendages; br., brain; d, dissepiments; i, intestine; m, mouth; nph, nephridium; oe, aesophagus; p, pavilion, line with ciliated entoderm; ph., pharynx; p... http://etc.usf.edu/clipart/23500/23561/annelid_23561.htm This diagram shows the longitudinal section of the anterior end of the annelid. A, sagittal section; B, frontal section to show anterior portion of nervous system. b, brain; co., nervous collar about ... http://etc.usf.edu/clipart/23500/23562/annelid_23562.htm This diagram shows a transverse section of dero. c., caelom; c.l., cells of the so-called "lateral line"; d.m., dermo-muscular wall including muscles and skin; d.v., dorsal blood vessel; ect, ectoder... http://etc.usf.edu/clipart/23500/23566/annelid_23566.htm "The <i>Leodice antennata</i> has the organs of locomotion attached to each segment; they are usually in the form of movable spines, and are used as oars." &mdash; Goodrich, 1859... http://etc.usf.edu/clipart/15000/15001/leodiceantna_15001.htm "Cross-section of Arenicola. E., Epidermis; c.m., circular muscles; l.m., longitudinal muscles; b.c., body cavity; gl., gill; s., setae; n.p., nephridial pore; a.br., afferent branchial; e.br., effere... http://etc.usf.edu/clipart/47900/47928/47928_arenicola.htm "Cross-section through Ascaris. d.n., Dorsal nerve; n.c., non-contractile portion of muscle cells; c., cuticle; e., epidermis; l.l., lateral line; e.v., excretory vessel; m., contractile portion of mu... http://etc.usf.edu/clipart/47900/47919/47919_ascaris.htm "Male of Balanoglossus (Dolichoglossus) kowalevskii. Note anterior proboscis. Mo., Mouth; op., slight operculum behind the collar; then the region with gill-slits; ts., testes; a., anus." -Thomson, 19... http://etc.usf.edu/clipart/48000/48012/48012_balanoglos.htm "Diagrams of bladder-worms. I. The ordinary Cysticercus type with one head (H.). II. The Coenurus type, with many heads. III. The Echinococcus type, with many heads, and with brood capsules producing ... http://etc.usf.edu/clipart/47900/47917/47917_bladder-worm.htm This illustration shows a representation of the circulation of the blood, in its essential features. The arrows indicate the course of the blood. a, arteries; aur., auricle or receiving portion of the... http://etc.usf.edu/clipart/23500/23532/circulation_23532.htm Illustration of a female green spoonworm. A, Proboscis cut short; B, bristle passing though the mouth into the pharynx; C, coiled intestine; D, anal tufts or vesicles; E, ventral nerve cord; F, ovary ... http://etc.usf.edu/clipart/58600/58697/58697_spoonworm.htm Illustration of a male green spoonworm. A, Bonellia viridis; B, mouth; C, ventral hooks; and d, anus. The Green Spoonworm (Bonellia viridis) is a marine worm (phylum Echiura) noted for displaying exc... http://etc.usf.edu/clipart/58600/58696/58696_spoonworm.htm Illustration of a male green spoonworm. A, Generative pore with spermatozoa; B, Anterior blind end of intestine attached to the parenchymatous tissue by muscular strands; C, Green wandering cells cont... http://etc.usf.edu/clipart/58600/58698/58698_spoonworm-m.htm "Bladderworm stage of a Cestode...a, Early stage with head inverted. b, Later stage with head everted." -Thomson, 1916... http://etc.usf.edu/clipart/47800/47854/47854_cestode.htm Chaetognatha is a phylum of predatory marine worms that are a major component of plankton worldwide. About 20% of the known species are benthic and can attach to algae or rocks. They are found in all ... http://etc.usf.edu/clipart/60900/60959/60959_Chaetognatha.htm "The <i>Serpulae</i>, which form irregularly twisted calcareous tubes, often grow together in large masses, generally attached to shells and similar objects; while those genera which, like the <i>Tere... http://etc.usf.edu/clipart/15000/15000/serpcontort_15000.htm An illlustration of a dasychone infracta, a type of annelid. The annelids, collectively called Annelida (from Latin anellus "little ring"), are a large phylum of animals comprising the segmented wor... http://etc.usf.edu/clipart/60900/60965/60965_dasychone.htm "Demoscolecida, a group of minute marine worm-like creatures. The body tapers towards each end and is marked by a number f well define ridges." -Britannica, 1910... http://etc.usf.edu/clipart/58400/58468/58468_marie-worm.htm "The bodies of these animals are of a cylindrical form, somewhat pointed at the anterior extremity, and usually a little flattened at the tail. The skin is tough, and divided into numerous segments b... http://etc.usf.edu/clipart/15000/15004/earthworms_15004.htm The earthworm works through the ground by insinuating its pointed head between the grains of dirt, (Hooker, 1882).... http://etc.usf.edu/clipart/2200/2209/earthworm_1.htm Side view of internal structures of earthworm.... http://etc.usf.edu/clipart/6900/6938/earthworm_6938.htm Dorsal view of internal structures of earthworm after cutting through the dorsal wall lengthwise and turning it outward.... http://etc.usf.edu/clipart/6900/6939/earthworm_6939.htm