354 BULLETIN OF THE 
Part II. 
No. 52. On the Genitalia and Lingual Dentition of Pulmonata, from the 
Annals of the Lyceüm of Natural History of New York, Vol. XI., June, 1874, 
pp. 20-46, Pl. I-VI. (actually distributed Sept., 1874). 
Parr III. 
No. 53. On the Jaw and Lingual Dentition of North American Terrestrial 
Pulmonata, from same as Part I., 1875, pp. 140-243, Pl. L.-XVIII. (actually 
distributed Sept., 1875). 
No. 54. On the Lingual Dentition and Genitalia of Partula and other Pul- 
monata, from same as last, pp. 244-254, Pl, XIX.-XXI. (distributed with the 
last). 
Parr IV. 
No. 55. On the Genitalia, Jaw, and Lingual Dentition of Certain Species of 
Pulmonata, from same as No. 52, Vol. XI. pp. 166-196, Pl. XIL-XVIIL., 
October, 1875 (actually distributed March, 1876). 
Vol. III of my * Notes” has thus far only the following : — 
56. On the Lingual Dentition, Jaw, and Genitalia of Carelia, Onchidella, and 
other Pulmonata, from the Proceedings of the Philadelphia Academy of 
Natural Sciences, 1876, pp. 183-192, Pl. VI. 
57, On the Land Shells of the Mexican Island of Guadelupe, collected by Dr. 
E. Palmer, from same, 1879, p. 16. 
58. On the Jaw and Lingual Dentition of certain Costa Rica Land Shells, col- 
lected by Dr. W. M. Gabb, from Annals of New York Academy of 
Sciences, Vol, I. pp. 257-262, Pl, XI., 1879. 
59. This paper. 
In addition to the above papers, I have published the following articles, of 
which extra copies have not been distributed : — 
60. Note on Helix thyroides, Proc. Boston Soc. Nat. Hist, April, 1857, VI, 
198, 129. 
61. Descriptions of two supposed new species of American Land Shells, from 
same, Vol. VI. pp. 155, 156, 1857. 
62. Note on Geographical Distribution of North American Land Shells, from 
same, Vol. IX. pp. 177, 1863. 
63. On Lingual Dentition studied by the Microscope and Photography, from 
American Journal of Conchology, Vol. V. pp. 37, 38, Pl. XI., 1869, with 
a note by Mr. BLAND. 
64, Notes sur quelques espèces de mollusques fluviatiles de l'Amérique du 
Nord. From Journal de Conchologie, Vol. XX. (3d series, Vol, VII.) 
Paris, 1867, pp. 427-432. 
