. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. BULL. MUS. COMP. ZOOL. Wenrich.—Spermatogenesis Phrynotettix, Plate 6. HELIOTYPE CO. 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum

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Keywords: ., bookauthorha, bookcentury1800, bookdecade1860, booksubjectzoology