. Fresh-water biology. Freshwater biology. Fig. 589. Structure of a Rhabdocoel. Dalyellia rossi. Compressed, ad, atrial glands; he, bursa copulatrix; bsi, duct lead- ing from bursa copulatrix; ch, chitinous part of the male copulatory organ; da, in- testine; dg, duct of yolk gland; ge, ovary; go, genital pore; mgc, male genital canal; mph. retractor muscles of pharynx; ph, pharynx; pp, cirrus; pr, reddish reticu- lar pigment; pz, yellow pigment cell; rs, receptaculum seminis; sph, sphinctor muscle of the uterus; te, testes; vd, vas de- ferens; vs, seminal vesicle; vi, yolk gland; z, esophageal
. Fresh-water biology. Freshwater biology. Fig. 589. Structure of a Rhabdocoel. Dalyellia rossi. Compressed, ad, atrial glands; he, bursa copulatrix; bsi, duct lead- ing from bursa copulatrix; ch, chitinous part of the male copulatory organ; da, in- testine; dg, duct of yolk gland; ge, ovary; go, genital pore; mgc, male genital canal; mph. retractor muscles of pharynx; ph, pharynx; pp, cirrus; pr, reddish reticu- lar pigment; pz, yellow pigment cell; rs, receptaculum seminis; sph, sphinctor muscle of the uterus; te, testes; vd, vas de- ferens; vs, seminal vesicle; vi, yolk gland; z, esophageal cells; e, eye; u, uterus. X SO. (After von Graff.) Fig. 590. Structure of a Triclad. Diagram of a Planarian. ag, genital atrium; aw. eye; com, cross commissures of nervous system; d', anterior, and d", pwsterior branches of intestines; do, yolk gland; ex, excretory canal; exp, ex- cretory pore; gl, brain; gp, genital pore; In, longitudinal nerve; m, mouth; od, oviduct; od', common oviduct; ov, ovary; p, cirrus; pk, pharynx; pht, pharyngeal pocket; te, testes; ui, uterus; utd, uterine duct; vd, vas deferens. (After Bohmig.) 2 (77) Pharynx simple, cask-shaped or rosette-shaped. Connective tissue of body cavity poorly developed. Suborder Rhabdocoela . 3 The mesenchyma often consists of but a few strands of connective tissue and contains large spaces filled with a perivisceral fluid. 3 (30) Reproductive organs simple. Female organs consist of ovary only. Section Hysterophora . 4 These forms possess no accessory female organs, , no separate yolk glands, uterus, female copulatory apparatus, etc. Asexual reproduction among rhabdocoels is found only in this section of the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ward, Henry Baldwin, 1865-1945; Whipple, George Chandler, 1866-1924. joint autho
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfreshwa, bookyear1918
