24 Moll . 
VII. MOLLUSCA. 
401. Pilsbry, H. A. Zonitoides arboreus (Say) in Japan. Nautilus xvi, 
p. 119. 
402. . Helicina japonica and related forms. T. c. pp. 130 & 131. 
403. . Illustrations of some Japanese land shells. T. c. pp. 136 & 
137. 
404. . A new Pleurotomaria [P. hirasei , Japan]. Op. cit. xvii, p. 36. 
405. . Land Shells of Curacao. T. c. p. 48. 
406. . A new Jamaican Colobostylus. T. c. pp. 65 & 66. 
407. . New Japanese Marine Mollusks. T. c. pp. 69-71. 
408. . The greatest American Planorbis. T. c. pp. 75 & 76. 
409. . A new Guppya from Florida. T. c. pp. 77 & 78. 
410. . Shells of Douglas Co., Central Washington. T. c. p. 84. 
411. . Mollusca of Western Arkansas and adjacent States, with a 
Revision of Paravitrea. P. Ac. Philad. 1903, pp. 193-214, pis. ix-xi. 
412. . Additions to the Japanese Land snail fauna. No. vm. T. c. 
pp. 315-319, pi. xiv. 
413. . A new Japanese Pleurotomaria, T. c. p. 496, pi. xxii. 
414. . A new American Genus of Arionidce . T. c. pp. 626-629, 
pi. xxviii. 
415. . Mexican land and freshwater Mollusks. T. c. pp. 761-789, 
pis. xlvii-liv [1904]. 
416. . A new Hawaiian Limncea [£. hawaiensis ]. T. c. pp. 790 & 
791, fig. [1904]. 
417. & Hirase, Y. New Land Shells of the Japanese Empire. 
Nautilus xvi, pp. 114-117. 
418. & . New Land Shells of the Japanese Empire. T. c. 
pp. 128-130. 
419. & . Descriptions of new Japanese land shells. T. c. 
pp. 134-136. 
420. & . Descriptions of new Japanese land shells. Op. cit. 
xvii, pp. 31 & 32. , 
421. & . Notices of new Japanese land shells. T. c. pp. 44-46. 
422. & . Notices of new land shells of the Japanese Empire. 
T. c. pp. 52-55. 
423. & . New land snails of the Japanese Empire. T. c. 
pp. 78 & 79. 
. [See also Tryon (535).] 
Pissarro, G. [See Cossmann & Pissarro (116, 117).] 
424. Po<3ta, P. Uber die Anfangskammer der Gattung Orthoceras Breyn. 
SB. Bohmisch Ges. 1902, No. lii, 6 pp., 1 pi. 
Ponsonby, J. H. [See Melvill & Ponsonby (350).] 
425. Prenant, A. Sur les “fibres strides” des Invertebres. C.R. Soc. 
Biol, lv, pp. 1041-1044. 
426. Preston, H. B. Descriptions of two supposed new species of 
Cyathopoma. P. Malac. Soc. London v, p. 340, figg. 
