MOVEMENTS, ETC., OF FliESH-WATKK PLANAllIANS. 713 



NoKMAN, W. W. : 00.-" Do ihe Reactions of ti.e Lower Animals a.-ainst 

 Injury indicate Pain Sensations?" ' Amer. Journ. Pliysiol ' vol iii 

 pp. 271— 284. J •. • , 



Parker, G. II., and Burnett, F. L. : 00.-" Tlie Roaclio.is of I'lanarians, 

 witii and williout Eyes, to Li.^lii," ibid., vol. iv, pp. 373—385. 



Patten, W. '<JG.-" Variations in ti.e Development of Limulus poly- 

 piiemus," 'Journ. Morpli.,' vol. xii, pp. 17—148, pis. ii— xl. 



Pearl, R. : 00.—" Studies on Electrotaxis : I, On ti.e Reactions of certain 

 Infusoria to tlic Electric Current," ' Amcr. Journ. Pliysiol., vol iv no 

 9G— 123. • -ll- 



Pearl, R. : 01.— "Studies on the Effects of Electricity on Organisms: 

 II, The Reactions of Hydra to the Constant Current," ibid'' vol v 

 pp. 301— 320. ■' ■ ' 



Preyer, W. 'SG.— " Ober die Bewcguii-cn der Seesterne : ein veri,rlcichend 



physiologisch-psychologischc Untersucliung," Erste Hillfte, 'Mittli. a. 



d. Zool. Stat, zu Neapel,' Ed. vii, pp. 27—127. 

 Preyer, W. '87.—" Uber die Bewegungen der Seesterne : ein vergleichend 



physiologisch-psychologische Untersuchung," Zvveite Halftl-, ibid 



Bd. vii, pp. 191—233, Taf. vii. 



Rasfail, X. "93.— "Note preliminaire sur une Planaire, sp, ? " 'Bull. Soc. 

 Zool. France,' t. xviii, pp. 49, 50. 



ScouRFiELD, D. J. '91.—" Entomostraca and the Surface Film of Water," 



* Journ. Linn. Soc. Zool.,' vol. xxv, pp. 1 — 19. 

 ScouRFiELD, D. J. : 00.— "Note on Scapholeberis mucronataand the 



Surface Film of Water," ' Journ. Quekett Micr. Club,' Scries 2 vol vii 



pp. 309-312. 



SCOUKFIELD, D.J. : 01.— "Hydra and the Surface Film of Water." ibid.. 

 Series 2, vol. viii, pp. 137—112, pi. viii. 



Steiner, J. '98.— 'Die Functioncu des Centralnervensystems und ilirc 

 Phylogenese: Dritte Abtli.,' "Die wirbelloseu Thicre," Braunschweig 

 (Vieweg und Solin), 1898, pp. x and 151., Taf. i. 



Uexkull, J. VON. '9G.— "Ueber ReQexe bei den Seeigeln," 'Zeitschr. f. 

 Biol.,' Bd. xxxiv, pp. 298-318. 



Uexkull, J. von. '9G, «.— " Vergleichendc sinnesphysiologische Unter- 

 suchuiigeii: II, Die Schatten als Reiz fiir Ceii trostepha nus longi- 

 spinus," ' Zeitschr. f. Biol.,' Bd. xxxiv, i)p. 319—339, Taf. i— iii. 



Uexkull, J. von, '99.— "Die Physiologic der Pedicellarien," ibid.. Bd. 

 xxxvii, pp. 33J;— 403, Taf. iv, v. 



Uexkull, J. von. : 00.—" Die Physiologic des Seeigelstachels," ibid., 

 Bd. xxxlx, pp. 73 — 112. 



