96 



Forty-second Annual Report on the 



232. Bryozoa (Fenestellidse) of the Hamilton Group. 36th Ann. Kept. 



N. Y. State Museum of Nat. Hist., pp. 57-72. (Also published 

 separately.) Albany, 1884, 8vo. 



233. On the Structure of the Shell in the Genus Orthis. Ibid., pp. 



73-75, plates 3-4. (Published separately.) 



234. Descriptions of a New Species of Stylonurus from the Catskill 



Group. Ibid., pp. 76, 77 ; 1 plate. (Also published separately.) 



235. Illustration of Cryptozoon. Ibid., plate 6, and explanation. 



(Also published separately.) 



236. Some New Plant Forms Lately Found in the Peach-bottom Slates 



of South-eastern York and Southern Lancaster Counties. 

 Trans. Am. Inst, of Mining Engineers, Troy meeting, 1883, 

 2 pp., 3 plates. 1884, 8vo. 



237. Preliminary Note on the Microscopic Shell-structure of the 



Palaeozoic Brachiopoda. Proc. Am. Assoc. Ad. Sci., 32d meet- 

 ing (Minneapolis), 1883, pp. 266-268. Salem, 1884, 8vo. 



238. Note on the Eurypteridae of the Devonian and Carboniferous 



Formations of Pennsylvania. Second Geological Survey of 

 Penn'a. Report of Progress PPP, pp. 23-39, 6 plates. (Also 

 published separately.) Harrisburg, 1884. 8vo. 



239. Classification of the Lamellibranchiata. First Report of the State 



Geologist for 1881, pp. 8-15, plates, 11. Albany, 1884. 8vo. 



240. Descriptions of the Bryozoans of the Hamilton Group. (Fenes- 



tellidae excepted.) Third Report of the State Geologist for 

 1883, pp. 5-61. Albany, 1884. 8vo. 



241. *Note on the Intimate Relations of the Chemung Group and 



Waverly Sandstone in North-western Pennsly vania and South- 

 western New York. Proc. Am. Assoc. Ad. Sci. 33d meeting 

 (Philadelphia), 1884, pp. 416-419. Salem, 1885. 8vo. 



242. Note on the Eurypteridae of the Devonian and Carboniferous 



Formations of Pennsylvania; with a supplementary note on 

 Stylonurus Excelsior. Ibid., pp. 420-422. 



243. On the Mode of Growth and Relations of the Fenestellidee. Con- 



tinuation of No. 226. Fourth Report of the State Geologist 

 for 1884, pp. 35-45, plates, 2. Albany, 1885. 8vo. 



SUPPLEMENTARY LIST, OCTOBER, 1888. 

 Books. 



26. Palaeontology of New York, vol. VI; Corals and Bryozoa. By 

 James Hall, assisted by George B. Simpson, pp. xxvi, 298, 

 plates, 66. Albany, 1887. 4to. 



