Walker, Alfr.-O. On Phcrusa fucicola

Ann. Mag. Nat. Hist. 2. 1891, pp. 81-83.

503. Ward, H. -B. On some points in the anatomy and llistology of Sipunculus nudus, L. 3 planches.

Bull. Mus. Comp. Zool. 21. 1891, pp. 143-182.

504. Warren, W. Descriptions of new Généra and Species of Pyralidæ contained in the British-Museum Collection.

Ann. Mag. Nat. Hist. 1. 1891, pp. 494-501.

505. Warren, W. Descriptions of new Généra et Species of Pyralidæ in the British-Museum.

Ann. Mag. Nat. Hist. 2. 1891, pp. 61-70.

506. Waterhouse, C.-O. New Scarabæidæ in the British Muséum : a Fifth Contribution.

Ann. Mag. Nat. Hist. 1. 1891, pp. 507-522,

507. Waterhouse, Ch. -O. New Scarabæidæ in the British Muséum.

Ann. Mag. Nat. Hist. 2. 1891, pp. 53-61.

508. Waters, Arth.-Wm. On chilostomatous characters in Melicertitidæ and other fossil Bryozoa. PI. VI.

Ann. Mag. Nat. Hist. 2. 1891, pp. 48-53.

509. Wilder, Harris-H. A contribution to the anatomy of Sircn lacertina. PI. XXXIX-XL.

Zool. Ja/irbbücher ( Anal .). 1891, pp. 653-690.

510. Wolters, M. Zur Kenntniss der Grundsubstanz und der Saftbahnen des Ivnorpels. PI. XXV.

Arch. filr Mikrosk. Anal. 1891, pp. 492-512.

511. Woodworth, W.-H. Contributions to the Morphology of the Turbellaria.

I. On the Structure of Phagocata gracilis. 4 planches. Bull. Mus. Comp. Zool. XXI. 1891, pp. 1-43.

512. Zaroudnoï, N. Zur Entwicklungsgeschichte des AVassernetzes. PL X.

Bull. Soc. Nat. de Moscou. 1890, pp. 269-287.

G. Malloizel.

Le Gérant: Émile DEYR0LLE.

2* Série — RI* 1 1 l