TITLES. 
Moll. 19 
281. Petersen, C. G. J. Lidt mere om u Rissoa parva , D.C.” paa 
Aland. Geol. Foren. Stockholm Forh. xv, pp. 121-123. 
282. Phisalix, C. Sur un ph^nomene d’inhibition chez les C6phalo- 
podes : constriction paralytique des Chromatophores. C.R. Ac. Sci- 
cxvii, pp. 638-640, and C.R. Soc. Biol, v, pp. 887-889. Abstr. in 
J. R. Micr. Soc. 1894, pp. 45 & 46. 
283. Pilsbry, H. A. Thysanophora coloba , n. sp. P. Ac. Philad. 1893, 
p. 403, fig. 
284. . On a collection of Land Mollusca from the Island of Dominica. 
Tr. Connect. Ac. viii, pp. 356-358. 
285. . On Acanthopleiirct and its subgenera. Nautilus, vi, pp. 104 
& 105. 
286. . A new Trochid [ Calliostoma crumpii ] from Japan. T. c. 
pp. 105 & 106, fig. 
287. — — . Description of a new species of Bulimus [ Placostylus alienus ]. 
T. c. pp. 116 & 117. 
288. — — . Notes on the Helices of the Biologia Centrali-Americana. 
T.c. pp. 117, 118, 128, & 129. 
289. . Notes upon Dr. von Jhering’s observations. T. c. pp. 129 
& 130. 
See ante (178). 
290. . Polygyra snbpalliata, n. sp. Op- cit. vii, pp. 5-7. 
291. . Notes on the genera of TJnionidcc and Mutelidce. T. c. p. 30. 
292. . Notes on the Acanthocliilidce f with descriptions of new 
American species. T. c. pp. 31 & 32. 
293. . Preliminary Note on the species of Strobilops. T. c. pp. 56 
& 57. 
294. . Illustrations of Mexican Melanians. T. c. pp. 61-64, figg. 
A revised ed. of paper, Zool. Rec. xxix, Moll. p. 20, No. 293a. 
295. . A new Gastropod [Sipho stonei ] from New Jersey. T. c. 
pp. 67 & 68, figg. 
Reprint of 1892 paper. See Zool. Rec. xxix, Moll. No. 293. 
. [See also Kobelt (190), Stearns (358), and Tryon (381, 
382).] 
296. Plate, L. H. Studien fiber opisthopneumone Lungenschnecken. 
ii. Die Oncidiiden. Zool. Jahrb. Anat. vii, pp. 93-234, 6 pis. 
Abstr. in J. R. Micr. 1894, pp. 47-49. 
297. . Mittheilungen fiber zoologische Studien an der Chile- 
nisohen Kfiste. i. Ueber Gadinia peruviana , Gray ; n. Ueber die 
Circulations- und die Nierenorgane der Chitonen. SB. Ak. Berlin, 
1893, pp. 959-966. Abstr. in J. R. Micr. Soc. 1894, pp. 329,440, & 
441. 
