104 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 78 



COBBOLD, E. S. 



1921. The Cambrian Horizon of Comley (Shropshire) and its Brachiopoda, 

 Pteropoda, Gastropoda, etc. Quart. Journ. Geol. See, London, 

 vol. 76, pp. 325-386, pis. 41-44. (Leperditia lendformis, new 

 species, Escasona species, Bradoria species.) 

 DwiGHT, W. B. 



1889. Recent explorations in the Wappinger Valley limestones and other 



formations of Dutchess County, N. Y. Amer. Journ. Sci., ser. 3, 

 vol. 38, pp. 139-153. {Leperditia ebenina, new species, pi. 6, figs. 

 2-4; Cambrian, Stissing, N. Y.) 



1890. Discovery of fossiliferous strata of Middle Cambrian at Stissing, 



N. Y. Trans. Vassar Bros. Institute, vol. 5, pt. 2, pp. 102-109. 

 {Leperditia ebenina Dwight.) 

 Ford, S. W. 



1873. Description of new species of fossils from the Lower Potsdam group at 

 Troy, N. Y. Amer. Journ. Sci. and Arts, ser. 3, vol. 6, pp. 137-140. 

 {Leperditia troyensis, new species.) 

 Grabaxi, a. W. 



1900. Paleontology of the Cambrian Terranes of the Boston Basin. Boston 

 Soc. Nat. History Occas. Papers, vol. 4, pt. 3, pp. 601-694. 

 {Leperditia cf. solitaria Barrande and Aristozoe species.) 

 Gronwall, K. a. 



1902. Bornholms Paradoxideslag og deres Fauna. Danmarks Geologiske 

 Undersogelse Raekke, No. 13. {Leperditia primordialis Linnarsson, 

 p. 162 and Beyrichia angelini armata, new variety, p. 163, pi. 4, 

 fig- 27.) 

 Groom, Theodore. 



1902. On Polyphyma, a new genus belonging to the Leperditiidae, from the 

 Cambrian Shales of Malvern. Quart. Journ. Geol. Soc, London, 

 vol. 58, pp. 83-88, 1 pi., 1 fig. {Polyphyma lapworthi, new genus 

 and species.) 

 Hicks, Henry. 



1871. Descriptions of New Species of Fossils from the Longmynd Rocks of 



St. Davids. Quart. Journ. Geol. Soc, London, vol. 27, pp. 384-402, 



pis. 15-16. {Leperditia? cambrensis, new species and lists Leperditia 



vexata Hicks.) 

 Hoi-m, G. Kinnekulle des Geologi och den Tekniska Anvandningen af des 



Bercarter. Sveriges Geologiska Undersokning, ser. C, No. 172, 



1901. {Leperditia primordials Linnarsson.) 

 Jones, T. Rupert. 



1856. Notes on the Paleozoic Bivalved Entomostraca No. 3. Some species 



of Leperditia. Ann. Mag. Nat. Hist., ser. 2, vol. 17, pp. 81-101, 



pis. 6, 7. {Leperditia solvensis, new species from lowest part of 



Llandeilo flags, St. Davids, South Wales.) 



1872. On some Undescribed Fossils from the Menevian group by Henry 



Hicks, Esq., F. G. S., with a note on the Entomostraca by Prof. 

 T. Rupert Jones, F. G. S. Quart. Journ. Geol. Soc, London, 

 vol. 28, pp. 173-185, pis. 5-7. {Leperditia hicksi, new species, pi. 5, 

 figs. 16-18, and Entomis buprestis Salter, pi. 5, fig. 15, both from 

 St. Davids, Wales.) 



1873. Notes on the Paleozoic Bivalved Entomostraca, No. 10, Entomis and 



Entomidella. Ann. and Mag. Nat. Hist., ser. 4, vol. 11, pp. 413- 

 417. {Entomis buprestis referred to Entomidella, new genus.) 



