BIBLIOGRAPHY OF PUBLICATIONS OF ISAAC LEA, LL. D. 51 



1848. Lea, Isaac — Continued. 



Schizostoma laciniatum. Lea, pi. ix, fig. .57 95 



Proc. Amer. Philos. Snc, iv, 1845, j). 107. 

 Palvdina Halciana, Lea, pi. ix, fig. 58 9C 



Proc. Amer. Philos. Soc , iv, 1845, p. 167. 



Catalogue of tho Genus Melania, recent and fossU 96 



Systematic Index 101 



56. 



1848. Lea, Isaac. Observations | on the | Genus Uuio, | toj^ether with | Descriptions 



of New Species in the Families Naiades, | Colimacca, Lymua'ana, MeLaniaua, | 

 and Peristomiaua. | Read before the American Philosophical Society, and 

 Originally I Published in its Transactions-. | with numerous plates. | By Isaac 

 Lea, I Member of the Am. Phil. Soc; of the Zoological Soc. | of London; of 

 the Imperial Soc. of Nat. | Hist, of Moscow; Etc. Etc. | Vol. IV. | Philadel- 

 phia: I Printed for the Author. 4°. pix 101. with plates 3y-4"2 of vol. ix and 

 1-9 of vol. X, of the Trans. Amer. Philos. Soc. 



This consists of numbers 51, 54, and 55, forming volumo iv of the series entitled "Obser- 

 vations on the Genus Unio, " &c. 



57. 



1849. Lea, Isaac. [Upon some Reptilian foot-marks {Saiiropus primcevus) recently 



discovered near Pottsville, Pa.] <^ Proc. Amer. Philos. Soc, v,]^j>.91-9i (one 



cut). No. 43, April-September. 



Communication made .Tunc 15, 1849. (See Proc. Amer. Philos. Soc., v, 1849, p. 109.) 



A large portion of this was reprinted in the American Journal of Science and Arts, ix, 



1850, pp. 124-126, under the title, "On Keptilian foot-marks in the gorge of the Sharp 



Mountain near Pottsville, Pa." 



58. 



1849. Lea, Isaac. On Traces of a Fossil Reptile (Sauropus primcevus) found in the 



Old Red Sandstone. <^Report Nineteenth Meeting British Association Ad- 

 vancement of Science, 1849, j). 56. 



59. 



1850. Lea, Isaac, and Henry C. Lea. Description of a New Genus of the Family 



Melaniana, and of many New Species of the Genus Melania, chiefly collected 

 by Hugh Cuming, Esq., during his Zoological Voyage in the East, and now 

 first described. <^Proc. Zool. Soc. of London, xviii, 1850, pp. 179-197. 

 Eead before the Zuological Society of tondon, July 9, 1850. See No. Gl. 



Pachychilus, I. & H.C. Lea, n. g; , 179 



Pachychilus Cumingii, I. & H. C. Lea, n. s 179 



Large rivers, Copan, Central America. 

 Melania canalis, I. & II. C. Lea, n. s 180 



Small streams, island of Guimaras, Philippines. 

 Melania foeda, I. & H. C. Lea, u. s 180 



Kocky stream, Java. 

 Melania sobria, I. & 11. C. Lea, n. s 181 



Very small streams, Siqiiijor, Philippines. 

 Melania subula, I. & H. C. Lea, n. s 181 



Small river in the province of Ho Ho, isle of Panay, PhilippineB. 

 Melania acus, I. ScM. C. Lea, n. s 181 



Small stream, Guimaras, Philippines. 

 Melania dermestoidca, I. & U. C. Lea, n. s 181 



Seychelles Islands. 

 Melania contracta, I. & H. C. Lea, n. s 182 



Seychelles Islands. 

 Melania ferruginea, I. & H. C Lea, n. s 182 



Zanzibar, East Africa. 

 Melania impura, I. &. H. C. Lea, n. 8 182 



Naga, province of South Cumarines, Luzon, Philippines. 



