23 



Vejdovsky F. Untersuchungen über die Anatomie. Physiologie und Entwicklung 

 von Stemaspis. Mit 10 Tafeln. Denkschriften der Wr. Akadem., math.-nat. Cl., 

 1881, Vol. XLIII, p. 33-00. 



Willemoes Suhm R. v. Biologisehe Beobachtungen über niedrige Meeresthiere. 

 Zeitschr. f. wiss. Zool., Vol. XXL 1871, p. 387—305. Mit 3 Tafeln. — Eteone 

 pusilla, Taf. XXXI, Fig. 5—8. Terebella zostericola, Taf. XXXIII, Fig. 27—30. 

 Terebellides Stroemii,TaLXXX.lI,Fig. 14 — 20. Spiroi'bisnautiloidesJFai'. XXXI. 

 Fig. 9, 10, 13. JVems-Larve, Taf. XXXI, Fig. 12. Polydora-Luvve, Taf. XXXI, 

 Fig. 11. . 



Wilson G. B. Preliminary abstract of observations upon the early stages of some 

 Polychaetous Annelids. Zool. Anzeiger, 3. Jahrg., 1880, Nr. G4, p. 455—456. 

 — Clymenella, torquata Yen'., Arenicola cristata Stimps, TJiopatria cuprea 

 Clprd., Spiochaetopterus oculatus Webster. 



Wilson G. B. Notes on the early stages of some Polychaetous Annelids. Am. Journ. sc. 

 Silliman, Vol. XX, p. 291—292. — Ann. of Nat. Hist., 5. scr., Vol. VI, 

 p. 407 — 408. — Clymenella Arenicola. 

 — Observations on the early developmental stages of some Polychaetous Annelids. 

 John Hopkins University. Baltimore. Studies from the biological laboratory, 

 Vol. II, 1882. — Clymenella torquata, Taf. XX und Taf. XXIII, Fig. 1-3. 

 Arenicola cristata, Taf. XXI, Fig. 45—62; Taf. XXIII, Fig. 4. Diopatra 

 cuprea, Taf. XXI, Fig. 89—92; Taf. XXIII, Fig. 10. Chaetopterus pergamen- 

 taceus, Taf. XXII, Fig. 63-84; Taf. XXIII, Fig. 6-8. Spiochaetopterus 

 oculatus,^) Taf. XXII, Fig. 85-88; Taf. XXIII, Fig. 9. 



