. Handbook of zoology with examples from Canadian species, recent and fossil [microform]. Zoology; Invertebrates; Zoologie; Invertébrés. I I f I i i I 196 PROVINCE ARTHROPODA. next are also referred a number of curious bivalve crusta- ceans of the Palaeozoic rocks, belonging to the genera Leperditia, Beyrichia, Estheria, i^c. (Figs. 248, 249.). Fiy. 248. BeY!!1(I1IA .IONKSII, Dll. Ciirl)Oniferous. Fig. 249. B. ri-HTi', Hall. Upper Silurian. 2. Ostracoda.—In these the body is more completely covered with a bivalve carapace, which sometimes resembles \\w. shell of a bivalve moUusk. The limb
. Handbook of zoology with examples from Canadian species, recent and fossil [microform]. Zoology; Invertebrates; Zoologie; Invertébrés. I I f I i i I 196 PROVINCE ARTHROPODA. next are also referred a number of curious bivalve crusta- ceans of the Palaeozoic rocks, belonging to the genera Leperditia, Beyrichia, Estheria, i^c. (Figs. 248, 249.). Fiy. 248. BeY!!1(I1IA .IONKSII, Dll. Ciirl)Oniferous. Fig. 249. B. ri-HTi', Hall. Upper Silurian. 2. Ostracoda.—In these the body is more completely covered with a bivalve carapace, which sometimes resembles \\w. shell of a bivalve moUusk. The limbs are suited for swimming and the eyes are confluent. Fig. 247 c. represents a species of Cypris common in fresh- water pools and ditches, and resembling, if not identical with, C. agilis, Haldeman. Fig. 250 represents Cytheridea. 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 Dawson, J. W. (John William), Sir, 1820-1899. Montreal : Dawson
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