. Additional notes on fossil sponges and other organic remains from the Quebec Group at Little Metis on the lower St. Lawrence [microform]. Sponges; Paleontology; Eponges; Paléontologie. [DAWsoNl FOSSIL SPONGES AND OTHER ORGANIC REMAINS 105 spiculog, short, and, in aome ca8o. expawded at theiv (,,nitie8. Younir , s seem to havo boon ^WobUar and probably sessile, while large .ndnndualH had a ^lat base; but the ^cenera! form is greatly obscured by crushing, especially in the larger Primary, secondary and tertiary spicules, x 5, " 4.—Pk


. Additional notes on fossil sponges and other organic remains from the Quebec Group at Little Metis on the lower St. Lawrence [microform]. Sponges; Paleontology; Eponges; Paléontologie. [DAWsoNl FOSSIL SPONGES AND OTHER ORGANIC REMAINS 105 spiculog, short, and, in aome ca8o. expawded at theiv (,,nitie8. Younir , s seem to havo boon ^WobUar and probably sessile, while large .ndnndualH had a ^lat base; but the ^cenera! form is greatly obscured by crushing, especially in the larger Primary, secondary and tertiary spicules, x 5, " 4.—Pkotospongia DELicATULA, Dawson. - (Figs. 11 and 12.) Globular or oblong in form, 1 to 4 cm. in diameter. Body spicules cructorm, regu ar, forming a very dense mesh, abott 1 mm. or less in the opening^ Osculum probably wide. Defensive spicules very short and close. Several short anchoring-rods. Some indicatons of a double row of spicules m the body-wall. The density of the spicular body-waH causes It often to be encrusted and obscured by 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; Hinde, George Jennings, 1839-1918. Ottawa : J. Durie; Toronto : Copp-Clark


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectpaleontology, bookyea