A M E R 1 C A N N AT U R A L HISTORY 



27 



Platycrinus burlingtonensis. Poteriocrinus occidentalis. 

 corrugattis. rhombiferus 

 discoideus. spinosus. 

 planus. tumidus. 



i Yandellii. Synbathocrinus dentatus. 



Owen (David D.) and Shumard (Benjamin F.). Descriptions of 

 seven new species of Crinoidea, from the subcarbonifercms 

 limestone of Iowa and Illinois. — Journ. Acad. Nat. Sc. 

 ; Philad. New Ser. II. 1852, 89. Pi. XI. (173 



The species here described are included in the preceding list. 



Owen (D. D.) and Shumard (B. F. ). Summary of the distribution 

 of orders, genera and species, in the northwest. — Owen's 

 Eep. 1852. Appendix, 598. (174 



Richardson (Sir John). Fossil mammalia of the zoology of the 

 voyage of the Herald. See Edward Forbes. (177 



These fossil remains were procured chiefly in Esehscholtz Bay, 

 and belong to Elephas primigenius, Equus fossilis, Cervus alces, C. 

 tarandus, Ovibos moschutus, vel 0. Pallasii, 0. maximus, Bison lati- 

 frons, and B. crassicornis. Follow: remarks on some bones of 

 cetaceans of recent date; description of an entire skeleton of a 

 musk-bull, of the skull and some detached bones of a musk-cow. 

 and of the skull of a foetal musk-calf ; osteology of a Big-horn 

 ram, ovis montana; and a table of dimensions of reindeer skulls. 



BOEMER (Ferdinand). Die Kreidebildungen von Texas nnd ihre 

 organische Einschlusse. Mit einem die Eeschreibung von 

 versteinerungen aus palseozoisehen nnd tertiaren schichten 

 enthaltenden Anhange nnd mit XI, von G. IIohe nach der 

 natur auf Stein gezeichneten Tafeln. Bonn. 1852. 4to. 



(178 



ECHINODERMATA. 



Diadema texanum. Cyphosoma texanum. 



Toxaster texanus. (Diadema texanum, Roem.). 



MOLLUSCA. 



Arcopagia texana. Monopleura texana. 



Homomya alta. Nerinea texana. 



Modiola granulato-cancellata. Ostrea crenulimargo. 



Monopleura subtriquetra. Pholadomya pedernalis. 



