494 AMERICAN FOSSIL BRYOZOA. [BULL.ny. 



1870. Descriptions of new species of fossils from the Niagara for- 

 mation at Waldron, Indiana. (Transactions of the Albany Institute, 

 X, 1883, pp. 5T-76.) [Extract distributed 1879.] 



1880. Corals and Brj^ozoans of the Lower Helderberg group. 

 (Thirty-second Annual Report of the New York State Museum of 

 Natural History, Albany, 1880, [1879], pp. 141-176, pis. vii-xxii.) 



1881. Brj'-ozoans of the Upper Helderberg and Hamilton groups. 

 (Transactions of the Albanj^ Institute, X, 1883, pp. 145-197 [Distrib- 

 uted in 1881 in the form of abstracts separately paged].) 



1882. Descriptions of the species of fossils found in the Niagara 

 group at Waldron, Indiana. (Indiana, Department of Geology and 

 Natural History, Eleventh Annual Report, 1882, pp. 217-345, pis. 

 iv-xi.) 



1883. Discussion upon the manner of growth, variation of form, and 

 characters of the genus Fenestella, and its relations to Hemitrj^pa, 

 Polypora, Retepora, Cr3^ptopora, etc. (Report of the State Geologist 

 [of New York] for the year 1882, Albany, 1883, pp. 5-16, 36 figs.) 



1883. Fossil Corals and Bryozoans of the Upper Helderberg group. 

 Twenty-five plates with explanation sheets. (Report of the State 

 Geologist [of New York] for the year 1882, Albany, 1883, pis. vii- 

 xxxiii.) 



1884. Descriptions of the Bryozoans of the Hamilton group. (Re- 

 port of the State Geologist [of New York] for the year 1883, Albany, 

 1884, pp. 5-61.) 



1884. Bryozoa (Fenestellidfe) of the Hamilton group. (Thirty-sixth 

 Annual Report of the New York State Museum of Natural History, 

 Albany, 1884, pp. 57-72.) 



1885. On the mode of growth and relations of the Fenestellidae. 

 (Report of the State Geologist [of New York] for the year 1884, 

 Albany, 1884, pp. 35-46, pis. i, ii.) 



1886. Bryozoa of the Upper Helderberg group. Plates and explan- 

 ations. (Fifth Annual Report of the State Geologist [of New York] 

 for the year 1885, Albany, 1886. Fourteen plates with explanations.) 

 [Twelve plates bound in quarto form were sent out as a brochure under 

 the above title.] 



1887. Descriptions of Fenestellidie of the Hamilton group of New 

 York. (Sixth Annual Report of the State Geologist [of New York] 

 for the year 1886, Albany, 1887, pp. 43-70, pis. i-vii. 



1888. Description of new species of Fenestellidaj of the Lower 

 Helderberg with explanations of plates illustrating species of the 

 Hamilton group, described in the Report of the State Geologist for 



1886. (Report of the State Geologist [of New York] for the year 



1887, pp. [393-394], pis. viii-xv.) This report appeared also bound 

 with the Forty-first Annual Report of the New York State Museum 

 of Natural History, Albany, 1888. 



