Prix : 
Souscription Monographies 
a l’ouvrage complet separees 
34e Livr. (Monogr. XX) H. F. Nierstrasz. Die Nematomorpha der Siboga-Exp. Mit 3 Tafeln. „ 2.80 „ 4.20 
35e Livr. (Monogr. X 111 <2) Sydney J. Hickson und J. Versluys. Die Alcyoniden der Siboga- 
Exped. I. Coralliidae, II. Pseudocladochonus Hicksoni. Mit 3 Tafeln und 16 Figuren im Text. „ 2.20 „ 3.30 
36e Livr. (Monogr. XXXG) P. P. C. Hoek. The Cirripedia of the Siboga Expedition. 
A. Cirripedia peduncuiata. With 10 plates .„ 5.40 „ 8.10 
37c Livr. (Monogr. XLII<z) L. Doderlein. Die gestielten Crinoiden der Siboga-Expedition. Mit 
23 Tafeln und 12 Figuren im Text.„ 8.— „ 12.— 
38e Livr. (Monogr. IX) Albertine D. Lens and Thea van Riemsdijk. The Siphonophora 
of the Siboga Expedition. With 24 plates and 52 textfigures.„ 13.50 „ 20.30 
39e Livr. (Monogr. XLIXG) M. M. Schepman. The Prosobranchia of the Siboga Expedition. 
Part I. Rhipidoglossa and Docoglossa, with an Appendix by Prof. R. Bergh. 
With 9 plates and 3 textfigures. „ 4.80 „ 7.20 
40 e Livr. (Monogr. XL) J. C. C. Loman. Die Pantopoden der Siboga-Expedition. Mit 15 
Tafeln und 4 Figuren im Text . „ 6.25 „ 9.40 
4i e Livr. (Monogr. LVL) J. E. W. Ihle. Die Appendicularien der Siboga-Expedition. Mit 4 
Tafeln und 10 Figuren im Text.„ 4.80 „ 7.20 
42 e Livr. (Monogr. XLIX 2 ) M. M. Schepman und H. F. Nierstrasz. Parasitische Proso- 
branchier der Siboga-Expedition. Mit 2 Tafeln. . . „ 1.20 „ 1.80 
43e Livr. (Monogr. XLIXG) M. M. Schepman. The Prosobranchia of the Siboga Expedition. 
Part II. Taenioglossa and Ptenoglossa. With 7 plates. f 4.50 f 6.80 
442 Livr. (Monogr. XXIX«) Andrew Scott. The Copepoda of the Siboga Expedition. 
Part I. Free-swimming, Littoral and Semi-parasitic Copepoda. With 69 plates. . „ 26.— „ 39.— 
45 e Livr. (Monogr. LVI£) C. Ph. Sluiter. Die Tunicaten der Siboga-Expedition. 
II. Abteilung. Die Merosomen Ascidien. Mit 8 Tafeln und 2 Figuren im Text. „ 5.75 „ 8.70 
46 e Livr. (Monogr. XLIXG) M. M. Schepman. The Prosobranchia of the Siboga Expedition. 
Part III. Gymnoglossa. With 1 plate.„ —.80 „ 1.20 
47e Livr. (Monogr. XIII b) C. C. Nutting. The Gorgonacea of the Siboga Expedition. 
III. The Muriceidae. With 22 plates.„ 8.50 „ 12.80 
4S e Livr. (Monogr. XIII<C) C. C. Nutting. The Gorgonacea of the Siboga Expedition. 
IV. The Plexauridae. With 4 plates. „ 1.60 „ 2.40 
49 e Livr. (Monogr. LVI<^) J. E. W. Ihle. Die Thaliaceen (einschliesslich Pyrosomen) der 
Siboga-Expedition. Mit 1 Tafel und 6 Figuren im Text.„ 1.75 „ 2.70 
50 e Livr. (Monogr. XIIG 2 ) C. C. Nutting. The Gorgonacea of the Siboga Expedition. 
V. The Isidae. With 6 plates . „ 2.25 „ 3.40 
5 i e Livr. (Monogr. XXXVII) H. J. Hansen. The Schizopoda of the Siboga Expedition. With 
16 plates and 3 text figures .„ 12.75 „ 19.20 
5 2 e Livr. (Monogr. XIII b z ) C. C. Nutting. The Gorgonacea of the Siboga Expedition. 
VI. The Gorgonellidae. With 11 plates.„ 4.— „ 6 — 
53 e Livr. (Monogr. XVa) J. Playfair Me Murrich. The Actiniaria of the Siboga Expedition. 
Part I. Ceriantharia. With 1 plate and 14 text figures.„ 2.20 „ 3.30 
54 e Livr. (Monogr. XIII<M) C. C. Nutting. The Gorgonacea of the Siboga Expedition. 
VII. The Gorgonidae. With 3 plates.„ 1.20 „ 1.80 
55 e Livr. (Monogr. XXXIX a) J. G. de Man. The Decapoda of the Siboga Expedition. 
Part I. Family Penaeidae .„ 2.60 „ 3.90 
56 e Livr. (Monogr. LXII) A. & E. S. Gepp The Codiaceae of the Siboga Expedition including 
a Monograph of Flabellarieae and Udoteae. With 22 plates.„ 12.50 „ 18.80 
572 Livr. (Monogr. XIII^ 5 C. C. Nutting. The Gorgonacea of the Siboga Expedition. 
VIII. The Scleraxonia. With 12 plates. „ 4.80 „ 7.20 
58 e Livr. (Monogr. XLIX 1 ^) M. M. Schepman. The Prosobranchia of the Siboga Expedition. 
Part IV. Rachiglossa. With 7 plates.„ 5.— „ 7.50 
59 e Livr. (Monogr. Vk 1 ) G. C. J. Vosmaer. The Porifera of the Siboga-Expedition. 
II. The genus Spirastrella. With 14 plates.„ 6.20 „ 9.30 
6o e Livr. (Monogr. XXXIX «’) J. G. de Man. The Decapoda of the Siboga Expedition. 
Part II. Family Alpheidae .„ 6.40 „ 9.60 
6i e Livr. (Monogr. Lilia) Paul Pelseneer. Les Lamellibranches de l’Expedition du Siboga. 
Partie Anatomique. Avec 26 planches.„ 10.— n 15.— 
62 e Livr. (Monogr. XXIV 1 a) R. Horst. Polychaeta errantia of the Siboga Expedition. 
Part I. Amphinomidae. With io plates.„ 3.85 „ 5.80 
63 e Livr. (Mcnogr. L l\lb) Ph. Dautzenberg et A. Bavay. Lei Lamellibranches de l’Exped. 
du Siboga. Partie Systematique. I. Pectinides. Avec 2 planches.„ 2.25 „ 3.40 
642 Livr. (Monogr. XLIXG) M. M. Schepman. The Prosobranchia of the Siboga Expedition. 
Part V. Toxoglossa. With 6 plates and 1 textfigure.„ 4.80 „ 7.20 
652 Livr. (Monogr LVII) Max Weber. Die Fische der Siboga-Expedition. Mit 12 Tafeln und 
123 Figuren im Text .„ 22. — „ 33.— 
66 e Livr. (Monogr. XLIX/) M. M. Schepman. The Prosobranchia, Pulmonata and Opistho- 
branchia Tectibranchiata Tribe Bullomorpha of the Siboga Expedition. 
Part VI. Pulmonata and Opisthobranchia Tectibranchiata Tribe Bullomorpha. With 
2 plates .„ 1.75 „ 2.70 
6/ e Livr. (Monogr. XXXI b) P. P. C. Hoek. The Cirripedia of the Siboga-Expedition. 
B. Cirripedia sessilia. With 17 plates and 2 textfigures.„ 8.— „ 12.— 
68 e Livr. (Monogr. LI Xa) A. W r eber-van Bosse. Liste des Algues du Siboga. 
I. Myxophyceae, Chlorophyceae, Phaeophyceae avec le concours de M. Th. Reinbold. 
Avec 5 planches et 52 figures dans le texte.„ 6.— „ 9.— 
