548 AMEEICAN FOSSIL BEYOZOA. [bull.173. 



Trask, J. B. 



1873. New species of Zoophytes from the Bay of San Francisco and 

 adjacent localities. (Proceedings of the California Academy of Natural 

 Sciences, I, 1854-1857; edition 2, 1873, pp. 112-114.) 



Trembley, Abraham. 



1744. Memoire pour servir a Fhistoire d'un genre de Polypes d'eau 

 douce. Leyde, 1744. Mem. III. 



Trustchese, Salvatore. 



1873. Nuove ricerche suUa struttura del fusto del Zoobotryon pellu- 

 cidus (Ehrenberg). (Memorie dell' Aocademia di Scienze dell' Istituto 

 di Bologna [3], IV, 1873, pp. 205-207.) 



Ubaghs, J. C. 



1858. Neue Bryozoen-Arten aus der Tuff-Kreide von Maestricht, 

 (Paleontographica, IX, Cassel, 1858, pp. 127-131, pi. xxvi.) 



1865. Die Brj^ozoen-Schichten der Maastrichter Kreidebildung, 

 nebst einisfen neuen Bryozoen-Arten aus der Maastrichter Tuff-Kreide. 

 (Verhandlungen des Naturhistorischen Vereins der preussischen lihein- 

 lande und Westphalcns, Bonn, XXII, 1865, pp. 31-62, pis. ii, ii«, iii.) 



Uljanin, B. 



1861). Zur Anatomic und Entwickelungsgeschichte der Podicellina. 

 (Bulletin de la Societe Imperiale des Naturalistes de Moscou, XLII, 

 Part I, 1869, pp. 425^40, pi. vi.) 



Ulrich, Edward O. 



1879. Descriptions of new genera and species of fossils from the 

 Lower Silurian about Cincinnati. (Journal of the Cincinnati Society 

 of Natural History, II, 1879, pp. 9-30, pi. vii.) 



1879. Description of a new genus and some new species of Bryozoa 

 from the Cincinnati group. (Journal of the Cincinnati Society of 

 Natural History, II, 1879, pp. 119-131, pi. xii.) 



1882-1884. American Paleozoic Bryozoa. (Journal of the Cin(;innati 

 Society of Natural History, V, 1882, pp. 121-175, pis. vi-viii; pp. 

 232-257, pis. X, xi; ibid., "^ VI, 1883, pp. 82-92, pi. i; pp. 148-168, 

 pis. vi, vii; pp. 245-279, pis. xii-xiv; ibid., VII, 1884, pp. 24-51, 

 pis. i-iii.) 



1886. Keport on the Lower Silurian Bryozoa, with preliminary 

 descriptions of some of the new species. (Fourteenth Annual Report 

 of the Geological and Natural History Survey of Minnesota, 1886, 

 pp. 57-103.) 



