646 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 
* 
LIST OF LITERATURE REFERRED TO ABOVE. 
1863. CrLAPAREDE, E. Beobachtungen tiber Anat. und Entwick. 
(Leipzig, 1863). 
1867. Agassiz, A.—Young Stages of a few Annelids. Ann. and Mag. 
Nat. Hist. (3), XIX. (1867), pp. 208-218, and 242-254, Pl. V.-VI. 
(reprinted from Ann. Lyc. Nat. Hist., New York, VIII., 1886). 
1868. CLAPAREDE, E. Annélides Chétopodes du Golfe de Naples. 
1869. CLAPAREDE and Merocznikow. Beitrige zur Kenntniss der 
Polychiten. Zeitschr. wiss. Zool., XIX., pp. 163-205, Pl. XII.-XVI. 
1869. McInrosu, W. C.. Early Stages in the Development of Phyllo- 
doce maculata. Ann. and Mag. Nat. Hist. (4), IV., pp. 104-108, Pl. VI. 
1871. Witurmors-SuHM, R. v. Biologische Beobachtungen tber 
niedere Meeresthiere. Zeitschr. wiss. Zool., XXI. (1871), pp. 380-396, 
Pl. XXXI.-X XXIII. 
1878. McInrosu, W. C.—Beitrige zur Anatomie von Magelona. 
Zeitschr. wiss. Zool., XX XI. (1878), pp. 401-472, Pl. XXIX-XX XVIII. 
1879. Greer, R. Ueber pelagischer Anneliden von der Kuste der 
canarische Inseln. Zeitschr. wiss. Zool., XXXII. (1879), pp. 238-283, 
Pl. XIII-XIV. 
1882. Wrutson, E. B. Early Stages of some Polychaetous Annelids. 
Stud. Biol. Lab. Johns Hopk. Univ., Balt., II. (1881-3), pp. 271-299, 
Pl. XX.-X XIII. 
1884. Vicurnr, C. Etudes sur les Animaux Inferieur de la Baie 
D’Alger. I., Sur ’Exogone gemmifera et quelques autre Syllidiens a 
Gestation. Arch. Zool. Exp. (2) Il. (1884), pp. 69-110, Pl. III.-V. 
1885. Frwxes, J. W.—On the Development of some Worm Larvae. 
Bull. Mus. Comp. Zool. Harvard Coll. Camb. Mass., XI. (1883-5), pp. 167- 
208-0 Pi. o.-V ULE 
1886. Dx Sarnt JosepH. Anneélides Polychetes des Cotes de Dinard. 
Pt. I. Ann. Sci. Nat., Zool. (7) I. (1886), pp. 127-270, Pl. VIT.-XIT. 
1887. CUNNINGHAM and Ramace. The Polychaeta Sedentaria of 
the Firth of Forth. Trans. Roy. Soc., Ed., XX XITI. (1885-8), pp. 635-684, 
Pl. XXXVI.-XLVII. . 
1891. AnprRews, E. A. A Commensal Annelid. Amer. Nat., XXV. 
(1891), pp. 25-35, Pl. I.-IT. 
1893. Brarm,:F. Zur Entwicklungsgeschichte von Ophryotrocha 
puerilis.¥ Zeits. wiss. Zool., LVIT. (Leipzig, 1894),{pp. 187-223, Pl. X.-XT. 
