. Fresh-water biology. Freshwater biology. Fig. 630. Planaria maculata. (4) From life. X 6. (After Woodworth.) (B) Sexual organs, dorsal view: M, uterus; co, common oviduct; od, oviduct; a, atrium; gp, genital pore; p, cirrus; vd, vas de- ferens; m, mouth. X about 35. (After Curtis.) 90 (89) Color dark reddish-brown to grayish-brown. Uniformly pigmented. Planaria gonocephala Duges Greatest length 25 mm. Usually not over 15 mm. Girard describes the color of this species as often of a blackish-brown. Pos- terior margins of auricular appendages free from pigment. Much lighter on ventral th


. Fresh-water biology. Freshwater biology. Fig. 630. Planaria maculata. (4) From life. X 6. (After Woodworth.) (B) Sexual organs, dorsal view: M, uterus; co, common oviduct; od, oviduct; a, atrium; gp, genital pore; p, cirrus; vd, vas de- ferens; m, mouth. X about 35. (After Curtis.) 90 (89) Color dark reddish-brown to grayish-brown. Uniformly pigmented. Planaria gonocephala Duges Greatest length 25 mm. Usually not over 15 mm. Girard describes the color of this species as often of a blackish-brown. Pos- terior margins of auricular appendages free from pigment. Much lighter on ventral than on dorsal side. Eyes in a plane joining the apices of the auricles. Clear areas around eyes sometimes elongated in an antero-posterior direction. Re- production asexually common. Mich., III. Fig. 631. Planaria gonocephala. (4) From life. X 5. (After Woodworth.) (B) Sexual organs, longitudinal section side view: ut, uterus; od, oviduct; de, ductus ejaculatorius; ^0^, papilla; ud, vas deferens; ag, genital atrium; vs, vesicula seminalis; m, mouth; utd, duct of uterus; pdr, cirrus glands; pdr^, ducts of cirrus glands; gp, genital pore. Much enlarged. (After Bohmig.) 91 (86) Anterior end rather sharply pointed. Angle formed by lateral mar- gins of head not more than 60°. Cephalic appendages long, slender, sharply pointed, with anterior margin shorter than posterior margin. Body distinctly narrower back of ceph- alic appendages than just in front 02. 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 author. New York, John Wiley & sons, inc. ; [etc. ,etc. ]


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfreshwa, bookyear1918