450 PROCEEDINGS OF THE NEW YORK MEETING 



231. Descriptions of the species of fossil reticulate sponges constituting the family 



Dictyospongidie : Ibid., pp. 465-481, pis. 18-21 (also puhlished in advance 

 without plates). 



232. Bryozoa (Fenestelli(Ue) of the Hamilton group: Thlrlij-sixth Ann. liept. N. 



Y. Slide Mas. Nat. Hit^L, Albany, 1884, pp. 57-72 (alsopublished separately). 



233. On the structure of the shell in the genus Orlhis : Ibid., pp. 73-75, pis. 3, 4 



(also i)ublished separately). 



234. Descriptions of a new species o£ Stt/lonuras from the Catskill group: Ibid., 



pp. 76, 77, 1 pi. (also published separately). 



235. Illustration of Cryptozoon : Ibid., pi. 6 and explanation (also published sep- 



arately). 



236. Some new plant forms lately found in the Peach Bottom slates of southeast- 



ern York and southern Lancaster counties : Trans. Am. Inst, of Mining En- 

 gineers, Troy meeting, 1883, 2 pp., 3 pis., 1884. 



237. Preliminary note on the microscopic shell structure of the Palaeozoic Brach- 



iopoda: Proc. Am. Assoc. Adv. Sci., 32d meeting (Minneapolis, 1883), Salem, 

 1884, pp. 266-268. 



238. Note on the Eurypteridae of the Devonian and Carboniferous formations of 



Pennsylvania. Second Geological Survey of Pennsylvania : Report of Pro- 

 gress, PPP, Harrisburg, 1884, pp. 23-39, 6 pis. (also published separately). 



239. Classification of the Lamellibranchiata : First Report of the State Geologist for 



1881, Albany, 1884, pp. 8-15, 11 pis. 



240. Descriptions of the Bryozoans of the Hamilton group (Fenestellidee excepted) : 



Third Report of the State Geologist for 1883, Albany, 1884, pp. 5-61. 



241. *Note on the intimate relations of the Chemung group and Waverly sand- 



stone in northwestern Pennsylvania and southwestern New York : Proc. 

 Am. Assoc. Adv. Sci., 33d meeting (Philadelphia, 1884), Salem, 1885, pp. 

 416-419. 



242. Note on the Eurypteridae of the Devonian and Carboniferous formations of 



Pennsylvania, w'ith a supplementary note on Stylonurus excelsior: Ibid., 

 pp. 420-422. 



243. On the mode of growth and relations of the Fenestellidae (continuation of No. 



226) : Fourth Report of the State Geologist for 1884, Albany, 1885, pp. 35-45, 

 2 pis. 



244. Note (on some Palaeozoic pectenoid shells) : Report State Geologist for 1884, 



Albany, 1885, pp. 47, 48 ; figs. 1-6, p. 46. 



245. On the relations of the genera Strictopora, Ptilodictya, Acrogenia, and allied 



forms in the Palaeozoic rocks of New York : Report Slate Geologist for 1884, 

 Albany, 1885, p. 46, figs. 1-6. 



246. Report on building stones (communicated to the commissioners of the new 



capitol, 1868): Thirly-ninth Ann. Rept. N. Y. State Mas. Nat. Hist., pp. 

 186-285 (also published separately, pp. 1-44, 1886). 



247. Plates and explanations, published in advance of Palaeontology of New York, 



vol. vi, pis. XXV, xxvii, xxix, xxx-xxxii, xl, xli, xliv, xlv, xlviii, 1, li, 

 liii: Fifth Ann. Rept. State Geologist, 1886. 



248. Plates and explanations of Cephalopoda, supplementary to Palaeontology of 



New York, vol. v, part ii, pis. (cxvii) l-(cxxix) 14: Fifth Ann. Rept. Slate- 

 Geologist, 1886. 



249. Field-notes on the geology of the Mohawk valley, with a map : iifth Ann. 



Rept. State Geologist, 1886, 89 pp. 



