AMERICAN NATURAL HISTORY. 



55 



ZOOLOGICAL AND BOTANICAL MICROSCOPY 



Bailey (j. W.). Microscopical examination of soundings made by 

 the U. S. Coast Survey off the Atlantic coast of the United 

 States. PL I. — Smiths. Contr. to Know!. II. 1851 . (258 

 Nov. sp. Pinnularia sp. Triceratium alternans. 

 Periptera sp. Denticella? dubia. 



Bailey (J. W.). Microscopical observations made in South Caro- 

 lina, Georgia and Florida. PL I. -in. — Smiths. Contr. to 



Knowl. II. 1851. 



NOV. sp. DES31IDIAE. 



Cosniariuni depressum. 

 Didymocladon? cerbcrus. 



longispinum. 

 Docidium h^irsutum. 



undulatum. 

 Micrasterias arcuata. 



expansa. 



quadrata. 



ringens. 

 Sphaerozosma serratum. 

 Triploceras (n. g.) verticillatum. 

 (Docidium verticillatum, Ralfs). 



Infusoria. 

 Difilugia spiralis. 

 Melicerta nuda. 

 Peridinium carol inianum. 

 Philodina pannosa. 

 llotifer vestitus. 

 Pterodina magna. 



(259 



Diatom ace ae. 

 Achnanthes arenicola. 

 Amphiprora ornata. 



pulchra. 



quatrifasciata. 

 Amphora amphyoxys. 

 Campylodiscus argus. 

 Cerataulus turgidus. 

 Diatoma stellaris. 

 Eupodiscus radiatus. 

 Pinnularia Couperi. 



permagna. 

 Pyxidicula? coinpressa. 

 Stauroneis maculata. 

 Surirella circumstanta. 

 Triceratjum alternans. 

 Zygoceras (Denticella?) 



raobiliensis. 



Algae. 

 Aporea ambigua. 



Bailey (J. W.). Miscellaneous notices. — Fossil infusoria of the 

 Southern rice-fields. Localities of Terpsinbe musica. Fossil 

 infusoria of Maryland. — Amer. Journ. of Sc. XL 1851, 85. 

 — 1st. On the so-called "orifices" in Diatomaceous shells. 

 2d. On the cell membrane of Diatomaceous shells. Infu- 

 soria in Hudson river ice. — Amer. Journ. of Sc. XL 1851, 

 349. (260 



