TUBICOLAR ANNELIDA. 



CORNULITES, Schlotheim. 1820. 



For the discussion of the nature and biological relations of forms referred to 

 tins genus, see the following authors: 



1820. Schlotheim, Cornulites serpularius. Petrefactenkunde, p. 378, pi. xxix, 



fig. 7. 



1834. Kloeden, Axis of Trilobites. Verstein. der Mark Brandenb. 



1839. J Sowerbv, Cornulites (incertce sedis). Murchison's Silurian System. 



1845. De Verneuil anil Kevserling, Columns of Cystideans. Russie et Oural. 



1847. Hall, Tentaculites ? Pal. N. Y., vol. i. ' 



1848. Conrad, Cornulites (incerta sedis). Jour. Acad. Nat. Sci. 



1851. McCoy, Cornulites (incertce sedis). ("Probably Echinodermata or Annu- 



lata.") British Pal. Fossils, p. 63. 

 L852. Hall, Cornulites (incerttz sedis). Pal. N. Y., vol. ii. 

 1853. Keyserling, Corals. Bull, de la Soc. Geol. 

 1856. Shumard, Tentaculites. Geol. Report of Missouri. 

 1859. Salter, refers Tentaculites and Cornulites to the Annelida. Siluria, 3d 



Edition, pp. 221 and 229* 



1864. Ludwig, Pteropods. PalEeontographiea. 



1865. Meek and Worthen, Tentaculites. Proc. Acad. Nat. Sci. Phil. 

 1867. Barrande, Cornulites (Annelida). Syst. Sil. de la Boheme. 



* Under the head of Aunelides of the Older Silurian Strata, Mi-. Salter uses the following- language in 

 id of Siluria, page 221, Third Edition. 1859: 



"The Tentaculites and Cornulites ••( il arly primeval strata must also be mentioned as remains of 



animals of this order. Thej were worms with shelly tubes like those of Serpula, but distinguished easily 

 by their annulated form and cellular structure. f' 



' The e tos ils, Tentaculites ami Cornulites, have been assigned to various groups of animals, the notion 



Fcrinoidal creatures being the most g rally accepted. They were, however, shelly 



» > i > .- - ~ . of a highly complex cellular structure, not jointed tentacles or stems; and could, by no means, be 

 parts of guch animals.— J. w. s." 



