/ 



CONTENTS. V 



PAGB 



40. Notes on Lingual Dentition of certain species of North American 

 Land Shells (in connection with Mr. Bland), from Proc. Phila. 



Acad. Nat. Sci., 1872, p. 135—137 231 



y/ 41. On the Relations of Certain Genera of Terrestrial Mnllnsca of, or 

 related to, the sub-t;imily Succininm., with Notes on the Lingual 

 Dentition of Succiiiea appendiculata, Pfr. (in connection with Mr. 

 Bland), from Annals of Lyceum of Nat. Hist, of New Yorlc, X., 

 . p. 198—207, pi. ix., Dec. 1872 (actually distributed Jan. 1873) . 236 



V 42. Description of Hempliillia, a new genus of Terrestrial Mollusks (in 

 connection with Mr. Bland), same as last, p. 208—211, pi. ix. 



(actually distributed with last) 247 



IV 43. On the Lingual Dentition of Certain Terrestrial MoUusca, foreign 

 to the United States (in connection with Mr. Bland), from same 

 as last, Dec. 1873, p. 219—225 (actually distributed Jan. 1873) . 253 

 ^ 44. On the Lingual Dentition of Owotis (in connection with Mr. Bland), 

 from same as last, p. 252 — 254, pi. xi., Jan. 1873 (actually distrib- 

 uted in March) 260 



y/45. Note on a Curious Form of Lingual Dentition in Pliysa (in connec- 

 tion with Mr. Bland), from same as last (distributed with last), 



p. 255—257, pi. xi 265 



46. On the Lingual Dentition and Jaw of Certain Terrestrial Pulmo- 

 nata from the United States, with Remarks on their Systematic 

 Value (in connection with Mr. Bland), from Proc. Phila. Acad. 

 Nat. Sci., 1873 (actually distributed in June), p. 240-256, pi. vii. 270 

 / 47. On Prophysaon, a new Pulmonate Mollusk, on Ariolimax, on Helix 

 lychnuchus, and other species (in connection with Mr. Bland), 

 from Annals of Lyceum of Nat. Hist, of New York, X., p. 293 — 311, 

 pi. xiii. xiv., 1873 (actually distributed in August) . . . 289 

 48. Catalogue of the Terrestrial Air-breathing Mollusks of Nortii Amer- 

 ica, with Notes on their Geographical Range, from Bulletin of 

 Museum of Comparative Zoology, Vol. III., No. 9, 1873, p. 

 191—220, with a Map (actually distributed in October) . .313 

 /49. On the Lingual Dentition and Anatomy of Achatinella, and other 

 Pulmonata (in connection with Mr. Bland), from same as No. 

 47, p. 331—351, plate xv. xvi., 1873 (actually distributed Febru- 

 ary, 1874) 345 



50. Title-page and Table of Contents to Notes, &c.. Vol. I., 1874 . i 



In addition to the above papers, I have published the following articles, 

 of which extra copies have not been distributed : — 



51. Note on Helix thyroides, Proc. Boston Soc. Nat. Hist., April, 1857, 



VL, 128, 129. 



52. Descriptions of two supposed new species of American Land 



Shells, from same, Vol. VI., p. 155, 156, 1857. 



