68 BIBLIOGRAPHY uF PUBLICATIONS OF ISAAC LEA, LL. D. 



105. 



1856. Lea, Isaac. [Notes on Auroras.] <^Proc. Amer. Philos. Soc, vi, pp. 160-163. 

 No. 54, May-Dec, 18.55. 



Eead before the American Philosophical Society December 7, 185.1. (See Proe. Amer. 

 Philoif. Soc, vi, p. 173.) 



106. 



1856. Lea, Isaac. On the New Eed Sandstone Formation of Pennsylvania. <^Proc. 

 Acad. Nat. Sci., Phila., viii, pp. 77-78. No. 2, March- April, 1856. 



Notes on a paper bearing the above title intended for publication in the Journal of the 

 Academy (see No. Ill), and presented to the Academy April 15, 1856. This forms pait of 

 No. Ill, which was presented to the Library of the Academy June 17, 1856. (See Proe. 

 Acad. Nat. Sci., viii, p. xiii.) 



Oentemodon sulcatus. Lea, n. s 87. 



107. 



1856. Lea, Isaac. Description of a New Sub-Genus of Naiades. <^Proc. Acad. Nat. 

 Sci., Phila., viii, p. 79. No. 2, March and April, 1856. 



Read before the Academy Natural Sciences, Phila., April 1, 1856. (See Proe. Acad. Nat- 

 Sd., viii, p. xiii.) 



Subgenus Plagiodon, Lea, n. s. g 79 



Journ. Acad. Nat. Sci., iii, p. 317. 



Plagiodon isocardiodes,'Lea,,xi. s 79 



Kio Plata, M. E. Verreau, Paris. 

 Journ. Acad. Nat. Sci., iii, p. 318, as P. isocardioides. 



108. 



1856. Lea, Isaac. Description of a New Species of Triquetra, Klein (Hyria, Lamarck). 

 <^Proc. Acad. Nat. Sci., Phila., viii, p. 79. No. 2, March and April, 1856. 



Eead before the Academy Natural Sciences, Phila., April I, 1856. (See Proe. Acad. Nat. 

 Sci., Phila., viii, p. xiii.) 



Triquetra lanceolata, Lea, n. s 79 



China, ? Mr. Asa Fitch. 



Journ. Acad. Nat. Sci., Phila., iii, p. 319, as Triquetra contorta. 



109. 



1856. Lea, Isaac. Description of New Fresh-water Shells from California. <^Proc. 

 Acad. Nat. Sci., Phila., viii, pp. dO-81. No. 2, March and April, 1856. 



Kead before the Academy Natural Sciences, Phila., April 1, 1856. (Proe. Acad. Nat. Sd., 

 Phila., viii, p. xiii.) 



POMPHOLYX, Lea, n. g 80 



Journ. Acad. Nat. Sci., vi, 1866, p. 156. 

 Pompholyx effusa. Lea, n. s 80 



Sacramento River, California, Dr. Trask. 



Journ. Acad. Nat. Sci., vi, 1806, p. 156. 

 Melania Shastaensis, Lea, n. s 80 



Shasta and Scott Rivers, California, Dr. Trask. 



Journ. A cad. Nat. Sd., v, 1863, p. 337, as Ooniobasig Shastaensis. 

 Melania nigrina. Lea, n. s 80 



Clear Creek, Shasta County, California, Dr. Trask. 



Journ. Acad. Nat. Sci., v, 1863, p. 302. 

 Physa triticea. Lea, n. s 80 



Shasta (Jouuty, California, Dr. Trask. 



Journ. Acad. Nat. Sci., vi, 1866, p. 176. 

 Planorbis Trankii, Lea, u. a 80 



Kern Lake, Tulare County, California, Dr. Trask. 



Journ. Acad. Nat. Sd., vi, 1866, p. 157. 

 Lymncea proxima. Lea, n B 80 



Arroya San Antouio, California, Dr. Trask. 



Journ. Acad. Nat. Sci., vi, 18C6, p. 160. 



