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



1874. Lea, Isaac — Continned. 



Unio Tellicoensis, Lea, pi. 10, fig. 28 3i 



Proc. Acad. Nat Sci., Phila., 1872, p. 155. 

 TJnio Tadkinensu; Lea, pi. 10, fig. 29 32 



Proc. Acad. Nat. Sci., Phila., 1872, p. 156. 

 Unio Conasaugaensis, Lea, pi. 10, fig. 30 , 33 



Proc. Acad. Nat. Sci., Phila., 1872, p. 155. 

 Unio conspicuiis, Lea. pi. 11, fig. 31 34 



Proc. Acad. Nat. Sci., Phila., 1872, p. 156. 

 Unio brevis, Lea, pi. 12, fig. 32 35 



Proc. Acad. Nat. Sci., Phila., 1872, p. 157. 

 Unio Andersonensis, Lea, pi. 12, fig. 33 36 



Proc. Acad. Nat. Sci., Phila., 1872, p. 155. 

 Unio vesicidaris. Lea, pi. 12, fig. 34 37 



Proc. Acad. Nat. Sci., Phila., 1872, p. 156. 

 Unio eurvatus, Lea, pi. 13, fig. 35 38 



Proc. Acad. Nat. Sci., Phila., 1872, p. 159. 

 Unio ampins, Lea, pi. 13, fig. 36 39 



Proc. Acad. Nat. Sci., Phila., 1872, p. 157. 

 Unio insolidus, Lea, pi. 1 3, fig. 37 40 



Proc. Acad. Nat. Sci., Phila., 1872, p. 159. 

 Unio attenuatus. Lea, pi. 14, fig. 38 41 



Proc. Acad. Nat. Sci., Phila., 1872, p. 157. 

 Unio differtus. Lea, pi. 14, fig. 39 42 



Proc. Acad. Nat. Sci., Phila., 1872, p. 158. 

 Unio cuspidatug. Lea, pi. 14, fig. 40 43 



Proc. Acad. Nat. Sci., Phila., 1872, p. 159. 

 Unio rostellum, Lea, pi. 15, fig. 41 44 



Proc. Acad. Nat. Sci., Phila., 1872, p. 160. 

 U7iio Irwinensis, Lea, pi. 15, fig. 42 44 



Proc. Acad. Nat. Sci., Phila., 1872, p. 159. 

 Unio exacutus, Lea, pi. 15, fig. 43 45 



Proc. Acad. Nat. Sci., Phila., 1872, p. 159. 

 Unio subparallelus, Lea, pi. 16, fig. 44 46 



Proc. Acad. Nat. Sci., Phila., 1872, p. 158. 

 Unio subsquamosus. Lea, pi. 16, fig. 45 47 



Proc. Acad. Nat. Sci., Phila., 1872, p. 160. 

 Unio basalis, Lea, pi. 16, fig. 46 , <. 48 



Proc. Acad. Nat. Sci., Phila., 1872, p. 161. 

 Unio ligatus, Lea, pi. 17, fig. 47 49 



Proc. Acad. Nat. Sci., Phila., 1872, p. 157. 

 Unio bellulus. Lea, pi. 17, fig. 48 50 



Proc. Acad. Nat. Sci., Phila., 1872, p. 161. 

 Unio infuscus, Lea, pi. 17, fig. 49 51 



Proc. Acad. Nat. Sci., Phila., 1872, p. 160. 

 Unio oblongus, Lea, pi. 18, fig. 50 52 



Proc. Acad. Nat. Sci., Phila., 1872, p. 158. 

 Unio ratus. Lea, pi. 18, fig. 51 52 



Proc. Acad. Nat. Sci., Phila., 1872, p. 160. 

 Unio dissimilis. Lea, pi. 18, fig. 52 53 



Proc. Acad. Nat. Sci. , Phila. , 1872, p. 161 . 



274. 



1874. Lea, Isaac. Supplement to Isaac Lea's Paper on Unionida>. <CJourn.Acad. 

 Nat. Sci., Phila., xiii, pp. 55-69, with plates 19 to 22, inclusive. 



Eead before the Academy of Natural Sciences, Phila., February 3, 1874. Extra copioa 

 printed for the author March 30, 1874. (See Table of Contents of Journ. Acad. Nat. Sci., Phila., 

 viii, n. 8. Part I.) This with No. 273 forms No. 275. 



This paper consists of three parts: 



1. Descriptions of fifteen species of shells. 



2. Soft Parts of Unionidaj. 



3. Embryonic Forms of Unionidaj. 



TJnio cirraiMS, Lea, pi. 19, fig. 53 55 



Proc. Acad. Nat. Sci., Phila., 1873, p. 422. 

 Unio hastatus, Len, pi. 19, fig. 54 56 



Proc. Acad. Nat. Sci.. Phila., 1873, p. 423. 



