N. A. INVERTEBRATE PAL.T.ONTOLOGY. 725 



Hall, James. — Discussion upon the Manner of Growth, Variation of 

 Form, and Characters of the Genus Feuestella, and its Relations to He- 

 mitrypa, Polypora, Eetepora, Cryptopora, &c. Bep. State Geologist 

 for 1882, pp. 5-16, figs. 1-30 on pp. 0, 10, 1 2, 13, 15. 4to. 1883. Albany. 

 Eedeflues the genus Fencstella, and includes in it Eetejpora, Phyllop- 

 ora, Leptopora, Beteporina., FenestrelUna, Hemitrypa. For continuation 

 of article, see Bep. State Oeologist for 1884, i>p. 35-45, 1885. Albany. 



Hall, Jaivies. — Fossil Corals and Bryozoans of the Lower Helderberg 

 Group and Fossil Bryozoans of the Upper Helderberg Group. Bep. 

 State Geologist for 1882, p. 17, pis. i-xxxiii. 4to. 1883. Albany. 

 These plates are photolithographed and published with their expla- 

 nations in advance of vol. vi, Palaeontology of New York. 



Hall, James. — Brachiopoda: Plates and Explanations. Bep. State Ge- 

 ologist lor 1882, pis. xxxiv-LXL 4to. 1883. Albany. 

 These plates are photolithographed and published with their expla- 

 nations in advance of vol. iv, part ii. Palaeontology of New York. 



Hall, Jaimes. — Description of the Ihyozoaus of the Hamilton Group. 



(Fenestellidai excepted.) Bep. State Geologist for 1883, pj). 5-61. 



1884. Albany. 



The following new species are described : CaUojJora hipunctata, Thal- 

 lostigma multaciileata, Lichetialia cultellata, Stietopora crenulata; then 

 Stictopora is described as a subgenus on p. 48 ; ^S*. (s. g. f) dichotorna n. 

 sp., is described under it. 



Most of the species and genera in this article were more briefly de- 

 scribed in the Trans. Albany Institute, vol. x, pp. 179-197. 1883. Albany. 



Hall, James. — Notice of the Machinery and Methods of Cutting Speci- 

 mens of Kocks and Fossils at the New York State Museum of Natural 

 Histor}'. 35th Bep. New York State 31ns. Ant. Hist., pp. 121-124, pis. 

 i, ii, and xvi. 1884. Albany. 

 Plates i and ii contain figures of the machinery used, and plate xvi 



contains figures and translucent sections of fossil corals made by the 



method explained. The illustration of Tetradium Ontario is marked as 



a new species. 



Hall, Jaivies. — Preliminary Notice of the Lamellibranchiate Shells of 

 the Upper Helderberg, Hamilton, and Chemung Groups. Prei)ara- 

 tory for the Palaeontology of New York, part i. 35th Bep. Neic YorJc 

 State Mus. Nat. Hist, pp. 215-406f. 1884. Albany. 

 A separate issue of this i)aper was also published with five plates on 



generic illustrations taken from the Beport of the State Geologist for 



1882. 

 Published in advance of Palaeontology of New York, vol. v, part i. 



Noticed last year. 



