BIBLIOGRAPHY OF PUBLICATIONS OF ISAAC LEA, LL. D. 35 



1841. Lea, Isaac— Continued. 



Melania picta, Lea, n. s 82 



Hol.stou River, E.ist Tenneti.see, Dr. Troost and S. M. Edgar. 



Trans. Amer. Philos. Soc, ix, 1844, p. 19. 

 Melania impressa, Lea, n. s 83 



Coosa River, Alabama, Prof. Brumby. 



Trans. Amer. Philos. Soc, ix, 1844, p. 19. 

 Melania robusta, Lea, n. s 83 



Coosa River, Alabama, Prof. Brumby. 



Trans. Amer. Philos. Soc, ix, 1844, p. 19. 

 Melania Jay a na, Lea, n. a 83 



Cany Fork, De Kalb Co., Tenn., Dr. Troost. 



Trans. Amer. Philos. Soc, ix, 1844, p. 20. 

 Anculosa ruhiginosa. Lea, n. s 83 



Wariior River, Alabama, Prof. Brumby. 



Trank. Am.er. Philos. Soc, ix, 1844, p. 20. 

 Aneidosa bella, Lea, n. s 83 



Warrior River, Alabama, Prof. Brumby. 



Anculosa Crrijfflthiana, Lea, n.s 83 



Coosa River, Alabama, Prof. Brumby. 

 Trans. Amer. Philos. Soc, ix, 1844, p. 20. 

 Anculosa tuberculata, Lea, n.s 83 



"Warrior River, Alabama, Prof. Brumby. 



Trans. Amer. Philos. Soc, ix, 1844, p. 21. 

 Valvata biearinata. Lea, n. s 83 



Schuylkill River, veat side, below Permanent Bridge, H.C.Lea. 



Trans. Amer. Philos. Soc, ix, 1844, p. 21. 

 Paludina angulata. Lea, n. s 83 



Coosa River, Alabama, Prof Brumby. 



Trans. Amer. Philos. Soc, ix, 1844, p. 22. 

 Paludina Coosaensis, Lea, n. s 83 



Coosa River, Alab.ama, Prof. Brumby. 



Trans. Amer. Philos. Soc, ix, 1844, p. 23. 

 Paludina cyclostomaformis. Lea, n. s 83 



Coosa River, Alabama, Prof. Brumby. 



Trans. Amer. Philos. Soc, ix, 1844, p. 23, as Paludina cyclostomatiformis. 



41. 



1842. Lea, Isaac. [On the occurrence of Melania altilis on the shore of the Schuyl- 



kill near Philadelphia.] <^Proc. Amer. Philos. Soc, ii, p. 150. 

 Verbal communication made March 4, 1842. 

 Melania altilis. Lea 150 



42. 



1842. Lea, Isaac. ["On Rocks perforated by Lithodomi, etc., and subsequently 

 raised above the level of the sea."] <^Proc. Amer. Philos. <Soc., ii, p. 213. 



Verbal communication made September 16, 1842. 



" The rock from which this specimen was taken is a compact sandstone, composed of 

 minute grains of quartz, cemented by carbonate of lime, and perforated by Lithodomi or 

 Boring Mollusca, being identical with the species now inhabiting the neighboring sea coast, 

 and consisting of Petricola solida, P. denticulata, Lithophagus dactylus, Slc. The included 

 shells are nearly in a perfect state." 



43. 

 1842. Lea, Isaac. Description of New Fresh Water and Land Shells. <^Tro,n8. Amer. 

 Philos. Soc.,\in, Part II, Article xii, pp. 163-250. Separate, see (No. 44). 



Part II of Vol. Vm of the Transactions presented to the meeting of the Society Decem- 

 ber 16, 1842. (See Proc Amer. Philos. Soc, ii, p. 243.) 



This article consists of six parts read at different times before the American Philosophical 

 Society. 



Pp. 103-190, read J.-inuary 15, 1841, No. 37. 



Pp. 190-191, read December 21, 1838, No. 30. 



Pp. 191-229, read October 2, 1840, No. 35. 



Pp. 230-241, reod February 19, 1841, No. 39. 



Pp. 242-245, read Juno 18, 1841, No. 40. 



Pp. 246-249, read October 21, 1842, No. 45. 



