Siboga expeditie.

Mono.59a (Algues: Myxophyceae, Chlorophyceae, Phaeophyceae); Livr.68

Siboga expeditie.

Mono.38 (Sergestidae); Livr.86

Siboga expeditie.

Mono.43 (Echinoidea); Livr.14

Siboga expeditie.

Mono.56b (Tunicaten: merosomen ascidien: krikobranchia excl. clavelinidae); Livr.45

Siboga expeditie.

Mono.49[1]e (Prosobranchia: Toxoglossa); Livr.64

Siboga expeditie.

Mono.16c (Madreporaria: Eupsammidae); Livr.92

Siboga expeditie.

Mono.46a (Gattung Astropecten und Ihre Stammesgeschichte); Livr.81

Siboga expeditie.

Mono.45a (Ophiures: ophiures de mer profonde); Livr.15

Siboga expeditie.

Mono.42b (Unstalked Crinoids); Livr.83

Siboga expeditie.

Mono.49[1]d (Prosobranchia: Rachiglossa); Livr.58

Siboga expeditie.

Mono.45b (Ophiures: ophiures littorales); Livr.21

Siboga expeditie.

Mono.44 (Holothurien); Livr.7

Siboga expeditie.

Mono.48 (Chitonen); Livr.20

Siboga expeditie.

Mono.24[1]b (Polychaeta errantia: Aphroditidae and Chrysopetalidae); Livr.80

Siboga expeditie.

Mono.49[1]a (Prosobranchia: Rhipidoglossa and docoglossa); Livr.39