. Zoology for high schools and colleges. Zoology. 230 ZOOLOGY. correspQn^ag cavity large and triangular. In Saxicava and Pampaa (Fig. 170), the pallial line is represented by a row of dots. In Macoma (Fig. 171) the siphons are very long. Lithodomus, the date shell, one of the mussels, bores into corals, oyster shells, etc.; the common Saxicava, excavates in mud and soft lime- stone, as does Gastrochmna, Many boring Lamellibranchs are. tural ig. Isize.â. â After vhora trilineaia, na- Tioles PJiolas and Petricola. said to be Please note that these images are extracted from scann

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. Zoology for high schools and colleges. Zoology. 230 ZOOLOGY. correspQn^ag cavity large and triangular. In Saxicava and Pampaa (Fig. 170), the pallial line is represented by a row of dots. In Macoma (Fig. 171) the siphons are very long. Lithodomus, the date shell, one of the mussels, bores into corals, oyster shells, etc.; the common Saxicava, excavates in mud and soft lime- stone, as does Gastrochmna, Many boring Lamellibranchs are. tural ig. Isize.â. â After vhora trilineaia, na- Tioles PJiolas and Petricola. said to be 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 Packard, A. S. (Alpheus Spring), 1839-1905. New York, H. Holt and Company

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