I lo Bibliography of the Foraminifera. 



PORRO, C. — Obbiezioni del Sig, Co. Porro intorno alia nota del Dott 

 Scortegagna sulle nummoliti seguita dalla seconda appendice 

 dello Scortegagna. (Seconda appendice del Dott. F. O. Scorte- 

 gagna Relativa alle obbiezioni del Sig. Conte Porro.) — Annali Sci. 

 Regno Lo!/ib.-Ven., 1842, Bimestre V. 



[I am indebted to Dr. Fornasini, of Bologna, for a sight of this 

 rare paper. His separate copy consists of 5 pp. text and a 

 wrapper bearing title, and carries on the back " Vicenza, 1843. 

 Dalla tipografia Tremeschini."] 



POTIEZ, Valery Louis Victor, and Andre Louis Gaspard 

 MICHAUD. — Galerie des Mollusques, ou Catalogue methodique, 

 descriptif et raisonne des Mollusques et Coquilles du Museum de 

 Douai. — 2 vols. 8vo. Paris. Vol. i, 1838; vol. ii, 1844; plates. 

 [Vol. i, pp. 23-42, pis. viii, ix, x.] 



POURTALES, Louis F. de. 1822-1880.— On the Distribution of 

 the Foraminiferae on the Coast of New Jersey, as shown by the 

 Off-shore Soundings of the Coast Survey. — Proc. Anier. Assoc. 

 (Charleston, 1850), 1850, pp. 84-88. Charleston. 



On the order of Succession of Parts in Foraminifera. — Proc. 



Amer. Assoc. (Charleston, 1850), 1850, p. 89. Charleston. 



" Letters upon the Examination of Specimens of Bottom 



obtained in the Exploration of the Gulf Stream by Lieuts. Craven 

 ?iX\di^-A%.\xr—Rept. U.S. Coast Survey for \Z^^. 4to. Washing- 

 ton, 1854. Pp. 82* 83*. 



Notes on the Specimens of the Bottom of the Ocean brought 



up in recent Explorations of the Gulf Stream, in connexion with 

 the Coast Survey.— Prc^r. Amer. Assoc. (Cleveland, 1853), 1856, 

 pp. 1 81-184. Cambridge. 



On the Genera Orbulina and Globigerina of D'Orbigny. — 



Amer. fourn. Science, vol. xxvi, 1858, p. 96. Neiv Haven. 



Contributions to the Fauna of the Gulf Stream at Great 



Depths. — Bull. Mus. Comp. Zool. Harvard, vol. i. No. 6, 1867, 

 pp. 103-120. Cambridge, Mass. 



Der Boden des Golfstromes und der Atlantischen Kiiste Nord 



Amerikas. — Peter matin'' s geogr. Mittheilungot, vol. xvi, 1870, pp. 

 393-398. Gotha. 



[See also Geol. Mag., 1871, pp. 425-427.] 



The Gulf Stream. Characteristics of the Atlantic Sea-bottom 



off the Coast of the United States. — Report Superintendent U.S. 

 Coast Survey, for 1869 (1872), pp. 220-225. Washington. 



PRESTWICH, Joseph. — On the Thickness of the London Clay ; on 

 the Relative Position of the Fossiliferous Beds of Sheppey, High- 

 gate, Harwich, Newnham, Bognor, &c ; and on the Probable 

 Occurrence of the Bagshot Sand in the Isle of Sheppey. — Quart. 

 Journ. Geol. Soc, vol. x, 1854, pp. 401-419. [Lists.] .-• London. 



