128 AMERICAN FOSSIL BEYOZOA. [bull. 173. 



1857. 



* Hall, James. Remarks upon the genus Archimedes, or Fenestella, 



from the Carboniferous limestones of the Mississippi Valley. 

 (Amer. Jour. Sci. Arts, ser. 2, XXIII, pp. 203-204.) 

 This paper contains a general discussion of characters and relationship of Archi- 

 medes and Fenestella. 



* Hall, James. Observations on the genus Archimedes, or Fenestella, 



with description of species. (Proc. Amer. Assoc. Adv. Sci., X, 



1857, pp. 176-180.) 

 Archimedes and Lyropora are defined as subgeneric terms under Fenestella, and 

 the following species are described: Fenestella (Archimedes) Owenana, Wortheni, 

 Swallovana, Meekana, laxa, Fenestella (Lyropora) lyra, quincuncialis, subquadrans. 

 Unfortunately no figures accompany the paper. 



1858. 



Hall, James. Geological Survey of Iowa. Volume I, Part II, Paleon- 

 tology, 1858. Bryozoa, pp. 651-653, pi. xxii. 

 Descriptions and good figures are given of Archimedes wortheni, reversa n. sp., 

 Ptylopora prouti n. sp., and a description only of Callopora punctata n. sp. 



* Prout, Hiram A. Description of new species of Bryozoa from Texas 



and New Mexico. (Trans. St. Louis Acad. Sci., I, 1858, pp. 



228-235.) 

 Describes the following species from Carboniferous and Permian formations : Fene- 

 stella trituberculata, Popeana, corticata, intermedia, variabilis, Shumardii, Norwood- 

 iana, subretiformis, Eschara? concentrica, ? tuberculata. No illustrations were given. 

 Some of these may never be identified. 



* Prout, Hiram A. First of a series of descriptions of Carboniferous 



Bryozoa. (Trans. St. Louis Acad. Sci. , 1, 1858, pp. 23.5-237, pi. xv.) 

 Describes Fenestralia n. subg., F. St. Ludovici, Fenestella plumosa, Polypora 

 varsoviensis. 



* Prout, Hiram A. Second series of descriptions of Bryozoa, from 



the Paleozoic rocks of the Western States and Territories. 



(Trans. St. Louis Acad. Sci., I, 1858, pp. 266-273, pis. xv, xvi.) 

 Contains descriptions of Coscinium Keyserling, C. cyclops Keyserling, cribriformis 

 Prout, Keyserlingi Prout, Polypora Mexicana Prout, Shumardii Prout, intermedia 

 Prout. 

 Swallow, G-eorge C. Fossils of the Permian rocks of Kansas. 



(Trans. St. Louis Acad. Sci., I, 1858, pp. 178-197.) 

 Proposes the name Synocladia biserialis for a form which he thinks may be Syno- 

 cladia virgulacea Phillips, and the name Acanthocladia americana for a form which 

 he thinks may be Acanthocladia anceps ? Schlotheim. Also notes a form which he 

 refers to Phyllopora ehrenbergi Geinitz. 



1859. 



Billings, E. Fossils of the Chazy Limestone, with descriptions of new 

 species. (Canadian Naturalist and Geologist, IV, 1859, pp. 



426-170.) 

 Contains rather brief descriptions of the monticuliporoids Stenopora adherens and 

 patula. 



