1 66 The American Geologist. March, i«j<* 
and Natural History, I2th Annual Report for 1882; pp. 239 — 270, plates 
14. Indianapolis, 1883, 8vo. 
22^ Descriptions of Fossil Corals from the Niagara and Upper Hel- 
derberg Groups of Indiana. Ibid., pp. 271 — 318, plates 14. (Same as 
219, with some revision and the addition of the plates; also republish- 
ed with lithographed plates in 35th Rept. N. Y. State Mus. of Nat. 
Hist., 1884.) 
226. Spergen Hill Fossils. Ibid., pp. 319 — 375. plates 4. (Same 
as 131, with additional notes and the four plates which are reproduced 
irom Bulletin No. 3, American Museum of Nat. Hist. 1882.) 
12"]. Discussion upon the Manner of Growth, Variation of Form 
and Characters of the Genus Fenestetla, and its Relations to Hemitry- 
pa, Polypora, Retepora, Cryptopora, etc. Second Report of the Statr 
Geologist for 1882, pp. 5—16. Albany, 1883, 8vo and 4to. 
228. Fossil Corals and Bryozoans of the Lower Helderberg Group, 
and Fossil Bryozoans of the Upper Helderberg Group. Ibid., plates 
I — 2,2)^ ^"d interleaved explanations. 
229. Brachiopoda, Plates and Explanations. Ibid,, plates 34 — 61. 
inclusive, and interleaved explanations. 
230. Preliminary Notice of the Lamellibranchiate Shells of the 
Upper Helderberg, Hamilton and Chemung Groups (preparatory for 
the Palaeontology of New York). Part I (see No. 176), 3Sth Ann 
Rept. N. Y. State Museum of Nat. Hist., pp. 215 — 406 G. (Also pub- 
lished separately, with 5 plates additional.) Albany, 1884, 8vo. 
231. Descriptions of the Species of Fossil Reticulate Sponges, Con- 
stituting the Family Dictyospongidae. Ibid., pp. 465 — 481. plates 18 — 
21. (Also published in advance without plates.) 
22,2. Bryozoa (Fenestellidae) of the Hamilton Group. 36th Ann. 
Rept. N. Y, State Museum of Nat. Hist., pp. 57 — 12. (Also published 
separately.) Albany, 1884, 8vo. 
233. On the Structure of the Shell in the Genus Orthis. Ibid., pp. 
•J2) — 75, plates 3 — 4. (Published separately.) 
234. Descriptions of a New Species of Stylonurus from the Cats- 
kill Group. Ibid., pp. 76, "jj; i 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, 
22,T. Preliminary Note on the Microscopic Shell-structure of the 
Palaeozoic Brachiopoda. Proc. Am. Assoc. Ad. Sci., 32d meeting 
aiinneapolis), 1883, pp. 266—268. Salem, 1884, Svo. 
238. Note on the Euryteridae of the Devonian and Carboniferous 
Formations of Pennsylvania. Second Geological Survey of Penn'a. 
Report of Progress PPP. pp. 22 — 39, 6 plates. (Also published sep- 
arately.) Harrisburg. 1884. 8vo. 
