Verm. 17 
TITLES. 
276. [Morgan, T. H.] Some problems of regeneration. Biol. Lectures, 
Wood’s Holl, 1898, Boston 1899, pp. 193-207. 
Lumbriculus etc. 
277. Mueller, Fritz. Obscrvayoes sobre a fauna marinha da costa de 
S ta Catharina. Revist. Mus. Paulista iii, 1898, pp. 31-40. 
Balanoglossus. 
278. Nassonow, N. W. Zur Anatomie und Biologie der Nematoden. 
*Rabot. Lab. Warsaw 1898, pp. 1-30 and 133-176, 3 pis. Russian. 
Oxyuris flagellum Ehr. and Ascaris lumbricoides L. Abstract in Centrbl. 
Bakter. xxv, pp. 836-839 by M. Braun. 
279. *■ -. [Phagocytic Organs in Strongylidse.] Russian. T. c. 
pp. 229-231. 
280. Neumann, G. Anomalies de Teniades. Arch, parasit. ii, pp. 462 
& 463, 2 figg. 
281. Newbigin, Marion J. On the affinities of the enterochromes. 
Zool. Anz. xxii, pp. 325-328. 
Chsetopterin etc. 
282. Nickerson, M. L. Intracellular canals in the skin of Phascolosoma. 
Zool. Jahrb. Syst. xiii, pp. 191-196, pi. 12. 
See also Science ix, pp. 365 & 366. 
283. Norman, W. W. Do the reactions of lower animals due to injury 
indicate pain-sensations? Biol. Lectures, Wood’s Holl, 1898, Boston 
1899, pp. 235-241. 
Earthworm, Leech. 
284. Nussbaum, M. Unbefruchtete Eier von Ascaris megalocephala. 
Zool. Anz. xxii, pp. 77-79. 
285. Nuttall, G. H. F. The poisons given off by Parasitic Worms in 
Man and Animals. Amer. Natural, xxxiii, pp. 247-249. 
Also in Ann. Nat. Hist. (7) iv, pp. 235 & 236. 
286. *Nypels, P. La maladie vermiculaire des Phlox ( Tylenchus de- 
vastatnx Kuhn). Ann. Soc. Beige Micr. xxiii, pp. 9-33, 1 pi. 
287. Ogneff, J. Prof. Gilson’s “ Cellules musculo-glandulaires.” Biol. 
Centrbl. xix, pp. 136-141. 
288. Orieux, A. Les vers de terre. Bull. Soc. Ouest France ix, pp. 201- 
227. 
289. Orlandi, S. Sulla parentela delle Maldanidi colle Arenicolidi. 
Atti Soc. Ligustica x, pp. 126-128. 
290. Ortmann, A. E. On new facts lately presented in opposition to the 
hypothesis of Bipolarity of Marine Faunas. Amer. Natural, xxxiii, 
pp. 583-592. 
See also Zool. Anz. xxii, pp. 214-216. 
291. Pappenheim, Dr. Ein sporadischer Fall von Anguillula intestinalis 
in Ostpreussen. Centrbl. Bakter. xxvi, pp. 608-612. 
Cf. Braun (55). 
292. Parona, C. Catalogo di Elminti raccolti in Vertebrati dell’ Isola 
d’ Elba dal dott. Giacomo Damiani. Atti Soc. Ligustica x, pp. 85- 
100, figg. in text. 
293. Pelseneer, Paul. Recherclies morphologiques et phylogenetiques 
sur les Mollusques Archaiques. Seconde Partie, Phylogenie. n. Af- 
finites des Mollusques archaiques et des Annelides Polychetes 
errantes, et origine des Mollusques, pp. 83-87. Mem. Cour. Ac. 
Belgique lvii, 112 pp., 24 pis. 
1899. [Vol. xxxvl] f 2 
