. Fresh-water biology. Freshwater biology. 63 (62) Shell narrow-ovate, rather prominent behind the umbones with 4 to 5 lines of growth; flageUa of second antennae 9- to lo-seg- mented; 18 pairs of limbs Eulimnadia . 64 64 (65) Shell narrow-ovate, with 4 lines of growth; telson with 12 pairs of dorsal spinules not including the terminal spine. Eulimnadia agassizii Packard 1874. This small crustacean has only been observed on Penikese Island, Massachusetts. The figure shows the large dorsal organ projecting above the eye. The valves of the carapace are whitish and very trans- parent. Their shape


. Fresh-water biology. Freshwater biology. 63 (62) Shell narrow-ovate, rather prominent behind the umbones with 4 to 5 lines of growth; flageUa of second antennae 9- to lo-seg- mented; 18 pairs of limbs Eulimnadia . 64 64 (65) Shell narrow-ovate, with 4 lines of growth; telson with 12 pairs of dorsal spinules not including the terminal spine. Eulimnadia agassizii Packard 1874. This small crustacean has only been observed on Penikese Island, Massachusetts. The figure shows the large dorsal organ projecting above the eye. The valves of the carapace are whitish and very trans- parent. Their shape is regularly oval. Fig. 1042. Eulimnadia agassizii. Side view. X 4. (After Packard.). 65 (64) Shell narrower than that of Eulimnadia agassizii, with 5 lines of growth; telson with 16 fine teeth above. Eulimnadia texana Packard 1877. The valves of the carapace are whitish and rojnded oval in shape. This species has been collected in Kansas, Nebraska, and Texas. It is said to be com- mon in the last locahty in early spring. The figure shows only the shape of the shell. Fig. 1043. Eulimnadia texana. Shape of shell, side view. X 7. (After Packard.) 66 (61) Shell oval, more or less globose, with 18 to 22 lines of growth, amber colored; no pediculated dorsal-organ on front of head; flagella of second antennae 11- to 17-segmented; 24 to 28 pairs of limbs Estheria . 67. 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