BIBLIOGRAPHY 



9. Apr. 5. South American land and fresh water mollusks : 

 Notes and descriptions,— VI. Proc. ANSP. 78 (1926) : 

 1-15, figs. 1-^, pis. 1-2. 



10. Apr. 9. Suhulina parana. Naut. 39 (4) : 144. 



11. June 9. Mollusca. [In] Some additional faunal remains 



from the Trias of York County, Pennsylvania. By H. 

 E. Wanner. Proc. ANSP. 78 (1926) : 26-27, figs. 3-4. 



12. July 12. James H. Ferriss. Naut. 40 (1) : 1-6, portrait. 



13. July 12. [Helix nucleata.] Naut. 40 : 31-32. 



14. July 12. Truncatella versus Acmea. Naut. 40 : 32-33. 



15 Aug. 5. The land mollusks of the Republic of Panama and 



the Canal Zone. Proc. ANSP. 78 (1926) : 57-126, figs. 

 1-40, pis. 9-10. 



16 Aug. 5. Costa Rican land shells collected by A. A. Olsson. 



Proc. ANSP. 78 (1926) : 127-133, figs. 1-A, pi. 11. 



17. Sept. 10. What constitutes publication ? A question con- 



cerning nomenclature. Science 64 : 248-249. 



18. Oct. 22. Euconulus fulvus again. Naut. 40 (2) : 68. 



19. Oct. 22. Strohilops aenea n. sp. Naut. 40 : 69. 



20. Oct. 22. Opercula in shore deposits. Naut. 40 : 69. 



21. Oct. 22. Types of Spartina and Distaectria Harris and 



Burrows. Naut. 40 : 69-70. 



1927 



1. Feb. 1. Cuban land shells of the Lowe-Hand-Emery expe- 



dition. Naut. 40 (3) : 73-75, pi. 1. 



2. Feb. 1. The races of Helminthoglypta ayresiana. Naut. 



40 : 78-79. 



3. Feb. 1. A new subspecies of Planorhis. Naut. 40 : 79-80. 



4. Feb. 1. A lost Achatina: A. rucifex (Capello and Ivens). 



Naut. 40 : 102. 



5. Feb. 4. Review of the land Mollusca of Korea. Proc. 



ANSP. 78 (1926) : 453-475, 1 map, pis. 33-35. 



6. Feb. 7. Land mollusks (Helicidae) from central and north- 



ern California. Proc. ANSP. 78 (1926) : 477-488, pis. 

 36-40. 



7. Apr. 5. Review of Japanese land Mollusca, — I. Proc. 



ANSP. 79 (1927) : 13-20, figs. 1-2, pis. 1-2. 



8. Apr. 5. Ceratodiscus, a genus of operculate Gastropoda. 



New to Porto Rico. By H. A. P. and E. G. Vanatta. 

 Proc. ANSP. 79 (1927) : 21-22, 1 fig. 



9. Apr. 22. Expedition to Guadalupe Island, Mexico, in 1922. 



Land and freshwater mollusks. Proc. Calif. Acad. Sci. 

 16 : 159-203, figs. 1-3, pis. 6-12. 



10. Apr. 29. Arnold Edward Ortmann. Naut. 40 (4) : 109- 



111, portrait. 



11. Apr. 29. Nomenclature of Leuconia, Melampus and Trun- 



catella. Naut. 40 : 125-126. 



12. Apr. 29. North Carolina land shells. Naut. 40 : 136. 



13. Apr. 29. Opeas pumilum (Pfr.) in the United States. 



Naut. 40 : 138. 



14. Apr. 29. Patella stellaeformis optima n. subsp. Naut. 40 : 



138-139. 



15. May 9. The aquatic mollusks of the Belgian Congo, with a 



geographical and ecological account of Congo malacol- 

 ogy. By H. A. P. and J. Bequaert. Bull. Amer. Mus. 

 Nat. Hist. 53 : 69-602, figs. 1-94, maps 1-15, pis. 10-77. 



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