2 BIBLIOGRAPHY OF PUBLICATIO.NS OF ISAAC LEA, LL. 1). 



1827. Lea, Isaac— Continued. 



ber, 1827. (See Rectification of T. A. Conrad'' s Synopsis, etc., Proc. Amer. Philos. Sac, vii, 

 p. 242, foot-note.) 

 Mr. Sabin gives a separate for 1827, 8°. (See No. 10.) 

 Witb No. 12 forms No. 13. 



Preliminary remarks 259-265 



Unio calceolus. Lea, n. s., pi. iii, fig. 1 265 



Hab. : Ohio, T. G. Lea. 

 Unio lanceolatia; Lea, n. s., pi. iii, fig. 2 266 



Hab. : Tar Eiver at Tarborough. 

 TJhio donaciformis, Lea, n. s., pi. iv, fig. 3 267 



Hab. : Ohio, T. G. Lea. 

 TJnio ellipsis. Lea, n. s., pi. iv, fig. 4 268 



Hab. : Ohio, T. G. Lea. 

 TJnio irroratus, Lea, n. s., pi. v, fig. 5 169 



Hab. : Ohio, T. Bakewell. 

 Unio lacnjmosus. Lea, n. s., pi. vi, flg. 8 272 



Hab. : Ohio, T. G. Lea. 



10. 



1827. Lea, Isaac. Description of Six New Species of the Genus Unio, read before 



the American Philosophical Society, November 2nd, 1827; with Anatomical 

 Observations on the Genus. Philadelphia, 1827. 8°. 



Title taken from Sabin's "Bibliotheca Americana." Separate of No. 9. 



11. 



1828. Lea, Isaac. North-West Passage. <^ Amer. Qnar. Eei\, iii, 1828. June, 



pp. 505-542. 



Review of "Narrative of an attempt to reach the North Pole, in boats fitted for the 

 purpose, and attached to His ^'lajesty's ship Hecla, in the year 1827, under the command of 

 Captain "William Edward Parry, R, N,, F. R. S., and honorary member of the Impc-jial Acad- 

 emy of Sciences at St. Peter.sburgh. Illustrated by Plates and Charts. Publixl l>'l by au- 

 thority of His Royal Highness, the Lord High Admiral. London : 1 vol., 4to, pp.^29, 1828." 



12. 



1829. Lea, Isaac. Description of a New Genus of the Family of Naiades, including 



Eight Si)ecies, Four of which are New; also the Description of Eleven New 

 Siiecies of the Genus Unio from the Rivers of the United States; with 

 Observations on some of the Characters of the Naiades. <^ Trans. Amer. 

 Philos. Soc, iii. New series, pp. 403-457, with pis. vii-xiv, colored. 



Read before the American Philosophical Society March 6, 1829. Distributed in May or 

 June, 1829. (See Proc. Acad. A'aJ. Sci., Phila., vii, p. 243.) 

 With No. 9 forms No. 13. 



Remarks upon objections sometimes made to the study of conchology 402-406 



On the species of the Umones, described by naturalists who have written on our 



sheUs 406-407 



On specific characteristics, etc. Teeth, Colour, Elevations, Beaks, Muscular Impres- 

 sions, Ligament, etc 407-415 



Table of nomenclature of the species 4ir)-421 



On Lamarck's species 421-425 



Unio ater. Lea, n. s., pi. vii, fig. 9 426 



Hab. : Mississippi below Natchez. T. W. Robeson. 



Unio riibiginosus, Lea, n. s., pi. viu, fig. 10 427 



■ Hab.: Ohio. 



Unio heterodon, Lea, n.s.,pl. viii, fig. 11 428 



Hab.: Schuylkill and Derby Creek, Pa. 



Unio sulcatus, Lea, pi. viii, fig. 12 430 



Hab. : Ohio, T. G. Lea. This is variety a of Unio ellipsis. (See Trans. Amer. 

 Philos. Soc, iii, p. 269.) 



Unio planulatus. Lea, n. s.,pl. ix, fig. 13 431 



Hab. : Ohio, T. G. Lea. 



Unio circulus, Lea, n. s., pi. is, fig. 14 433 



Hab. : Ohio at Cincinnati, T. G. Lea; Monongahela at Pittsburgh, T. Bakewell ; 

 Tennessee at Nashville, I'rof. Vanuxem. 



