Bulletin Volume 428, PT. 29 (Paperback)

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1908 edition. Excerpt: ... Whitfield from the Cincinnati shales of Ohio see Geol. Ohio. 1893. 7: 493, pl. T3. The figure given by this author shows a colony of the coral L a b e c h i a o h i o e n s i s Nicholson perforated by scores of burrows in some of which the shell itself is found. Such occurrences have been freely described in Mesozoic faunas and boring insects in the woods of the Tertiary. EXPLANATION OF PLATES PLATE 1 l I Part of the weathered surface of a Stromatopora from the Cobleskill limestone, Schoharie, N. Y., showing the openings of the worm tubes Gitonia sipho 2 A section of the same colony permeated with such tubes 3Acolony of Favosites sphericus Hall from the New Scotland beds (Helderbergian) with similar tubes 4 A head of the trilobite Dalmanites overgrown with a colony of Monticulipora in which is embedded a series of G i t o n i a s i p h o. Onondaga limestone, Becraft moun-tain, N. Y. 5 Sections of spiral tubes (Streptindytes concoc-n a t u s) in a colony of Stromatopora. The apparent difference in direction of volution in these is due entirely to the different depth and angle at which the tubes are cut. From the Cobleskill limestone (Upper Siluric) Schoharie. x 2 6 An enlarged restoration of the characters of these worm tubes. x 5 7 Streptindytes acervulariae Calvin: twatubes in a colony of Acervularia davidsoni E. and H. x 1.5. From the Middle Devonic of Roberts Ferry, Iowa PLATE 1 1 A calyx of Zaphrentis with a number of tube openings of Gitonia corallophila 2 Tubes of the same character opening outward through the lateral walls of Zaphrentis; much enlarged 3 A Zaphrentis with tube openings at the base 4 A Cystiphyllum with short tubes opening outward through the thecal walls 5, 6 A Zaphrentis from two points of view to show the...