— 257 — 



Kirkpatricki^ P. Andrewsi, Reyncllona (n. gen.) 7ialalis, 

 Anxictas (n. gen.) perplexa nn. spp.] (PI. XUI). 



The Nautilus, a quarterly devoted to the interests of 

 Conchologists. Editors : H. A. Pilsbry and C. W. Johnson. 



Vol. XXXII, n° 3, January 1919. 



Contents : Edw. S. Morse. New Forms of Caecum in New 

 England (PL V). — Edw. S. Morse. A European MoUusk, 

 Helcion pellucidujn, never before recorded in America. — 

 Geo. h. Clapp and Jas. H. Ferriss. Praticolella Campi n. sp. 

 [Texas] (PI. VI, figs. 1-4). — Wm. H. Dall. Stylobates, a 

 Waming (PL VI, figs. 8-10). — H. A, Pilsbry. Nenia Cooki 

 n. sp. [Peru] (PL VII, figs. 11-13). — Jas. H. Ferriss. My 

 Journey to the Blue and White Mountains, Arizona. — Wm. F. 

 Clapp. A New Opisthosiphon lïom Cuba [0. Berryi n. sp.] 

 (PL VII, flg. 14). — Arthur Jacot. Some Marine Mollusca 

 about New York City. — Fr. C. Baker. Description of à New 

 Species and Variety of Planorbis from Post-glacial Deposits 

 [PL parvus Say urbanensis n. var., PI. altissimus n. sp.] 

 (PL VII, figs. 1-10). — Fr. c. Baker. Mollusks infested with 

 Parasitic Worms. — H. A. Pilsbry. Types of Generic Names 

 proposed for Achatinse. — J. H. Ferriss. Lorenzo E. Daniels 

 (Obituary). — C. W. Johnson. Joseph Willcox (Obituary), — 

 Notes : Wm. H. Dall, Note on Tliyasira bisecta Conrad ; — 

 Geo. h. Clapp, Cuban Mollusks colonized in Florida ; — Ida 

 S. Oldroyd, Some Rare Shells collected in Puget Sound, 

 Washington, during July 1818. 



Vol. XXXII, n° 4, April 1919. 



Contents : Bryant Walker. Notes on Certain Philippine 

 Species of Vitnparus (PL VIII-IX) [V. burrhoughianus trino- 

 minis n. n.]. — Wm. Alanson Bryan. A Hawaiian Form of 

 Tapes Philippinarum. — Paul Bartsch. A New Epiphragmo- 

 pliora from the Coast Range of California [E, tudiculata colu- 

 saensis n. subsp.]. — E. J. Whittaker. Notes on Variation in 

 Planorbis campanulatus Say, from Blue Sea Lake, Québec 

 (PL X). — Arthur Jacot. On the Land Shells of Monroe, 



