. Fresh-water biology. Freshwater biology. Gordius densareolatus Montgomery 1898. For female of this species consult 29 in this key. Male up to 290 mm. long, mm. broad. Bodyrobust. Conical spines on ventral surface of caudal lobes. Color deep chocolate, with black ring about cloacal aperture. Wyoming, Montana, California. Fig. 840. Gordius densareolatus $. Ventral view of posterior end. (After Montgomery.) Magnified. 20 (19) Caudal lobes nearly cylindrical. Gordius longareolatus Montgomery 1898. Female of this species unknown. Male 115 mm. long, mm. broad. Longitudi- nally arranged elo


. Fresh-water biology. Freshwater biology. Gordius densareolatus Montgomery 1898. For female of this species consult 29 in this key. Male up to 290 mm. long, mm. broad. Bodyrobust. Conical spines on ventral surface of caudal lobes. Color deep chocolate, with black ring about cloacal aperture. Wyoming, Montana, California. Fig. 840. Gordius densareolatus $. Ventral view of posterior end. (After Montgomery.) Magnified. 20 (19) Caudal lobes nearly cylindrical. Gordius longareolatus Montgomery 1898. Female of this species unknown. Male 115 mm. long, mm. broad. Longitudi- nally arranged elongate areoles characteristic and ^=aj%.j' of rounded-conical form without median groove. ^"^^^S '^° ''™^ between areoles. Color deep olive brown; "°" ~ tip of head white. California. Fig. 841. Gordius longareolatus ^ ; head, tail in ven- tral aspect, and cuticular areoles. Magnified. (After Montgomery.). 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