LIST OF AUTHORS REFERRED TO IN THE TEXT. 



I J. Baeeois, Recherches sur l'Embryologie des Nemertes, Ann. d. Sci. Nat, ser. 6, vol . vi 1877. 

 II R Dewoletzky, Zur Anatomie der Nemertinen, Zool. Anzeiger, Jahrg. iu., 1880, pp. 3^-300. 



III. L. von Graff, Geonemertes chalicophora, erne neue Landnemertine. Morph. Jahrb., Bd. v. 



p. 430. , . . . 



IV. A. A. W. Hubrbcht, Aanteekeningen over de Anatomie, Histologie en Ontwikkelingsgeschiedems 



der Nemertinen, Utrecht, 1874. 

 V. Untersuchungen iiber Nemertinen aus dem Golf von Neapel, Niederlandisches Archiv 



fur Zoologie, Bd. ii. S. 99. 

 VL Some Remarks about the Minute Anatomy of Mediterranean Nemerteans, Quart. Journ. 



Mia: Sci., vol. xv. p. 249. 



VIL The genera of European Nemerteans critically revised, with Description of Several New 



Species. Notes from the Leyden Museum, voL i. p. 193, 1879. 



VIII . New Species of European Nemerteans. Notes from the Leyden Museum, vol. ii. 



IX .' Zur Anatomie und Physiologie des Nervensystems der Nemertinen, Verhandel. van de 



Koninkl. Akad. van Wetenschappen, Amsterdam, 1880, vol. xx. 



x . The Peripheral Nervous System of the Paleeo- and the Schizonemertea, one of the layers 



of the body- wall, Quart. Journ. Micr. Sci., vol. xx., 1880. 



Zur Nemertinen Anatomie, Zool. Anzeiger, Jahrg. iii., 1880, p. 406. 



On the Ancestral Forms of the Chordata, Quart. Journ. Micr. Sci., vol. xxiii., 1883. 



Der excretorische Apparat der Nemertinen, Zool. Anzeiger, 1885, p. 51. 



Zur Embryologie der Nemertinen, Zool. Anzeiger, Jahrg. viii., 1885, p. 460. 



Proeve eener ontwikkelingsgeschiedems van Lineus obscurus Barr, Utrecht, 1885. 



Contributions to the Embryology of the Nemertea, Quart. Journ. Micr. Sci., vol. xxvi., 



XI. 



XIa. 



XII. 



XIII. 



XIV. 



XV. 



1886. _.. , 



XVI. J. von Kennel, Beitrage zur Kenntniss de Nemertinen, Arbeit, zool.-zoot. Inst. Wurzburg, 



Bd. iv., 1878. 

 Die in Deutschland gefundenen Landplanarien, Arbeit, zool.-zoot. Inst. Wurzburg, 



XVII. 



Bd. v., 1882. 

 XVIII. A. Lang, Monographie der Polycladen, Leipzig, 1884. 

 XIX. W. C. M'Intosh, A Monograph of the British Annelids— A. Nemerteans, Ray Society Publica- 

 tions, 1873, 1874. 



XX On Amphiporus spectabilis, Quart. Journ. Micr. Sci., vol. xv. p. 273. 



XXI. On the Central Nervous System, the Cephalic Sacs, and other points in the Anatomy of 



the Lineidse, Journal of Anatomy and Physiology, vol. x. p. 231. 

 . Marine Annelida from Kerguelen's Land, Phil. Trans. Roy. Soc. Lond., vol. clxvm. 



XXII. — 



(extra vol.), London, 1879. 



XXIII. Description of some New Species of Annelida from Kerguelen's Island, Ann. and Mag. 



Nat. Hist., ser. 4, vol. xvii., 1876. 



