Pages. 1-2,4. Bryozoan walls. 3 Keeping bryozoans alive in the lab. 3 Reference to general anatomy 4 Species found in dredged sample from Ile Louet 5 Differentiation- dedifferentiation in bryozoans. 6. Effects of oil pollution on bryozoans; Spine formation in bryozoans. 7-8 Embryological development in bryozoans. 9 Fixation. Ectoderm in bryozoans. 10 Dimorphism. Hybridization. Field trip to St. Pol. 11 - 14, 15. Differentiation of epithelial & peritoneum layers. 14,15,17. Funicular strand 16,17 Polypide formation 18-19 Staining & viewing specimens. Methylene blue (also discussion about funiculus). Cresyl blue stain. Bryozoan anatomy. 20. Sperular [illegible] leucocytes; pigments in body wall; funiculus;brown 21-22 Vibracula; epithelial & peritoneum tissue; pore plates bodies. avicularium 23 Diaphragm, tentacular sheath. Menthol xls to relax bry. Mounting slides. 24 Incomplete description of process involved with methylene blue. 25 Caecum; spines. 26 & 29. Stains. Rouge neutre;cresyl blue; methylene blue. 27 Features of cyclostome tentacles. 28 Film on Growth of Memranipora membranacea. 30 Digestive tract. 31. E.M. sucrose-dacodylate "holding" solution. 33 Heterozooids (& cenozooids) 34 Avicularium on stained Bugula 35 Zooid anatomy 36 Pore plates 37 Muscle topography in zooid 38 Vestibular glands. Seasonality in bryozoans. 39 Budding in Memranipora. 40. Attachment of funiculus; position of anus 41 Vestibular glands; bacterial glands 42 Spermatids & eggs. Intracolony fertilization 43 Fixation & staining 44 Egg development (cleavage);larvae in ovicells; pseudopores. 45-52 Slides examined in Paris. Vestibular glands;brown body;anus; pore plates;bacterial glands; progression in vestibular glands. Development of sp[illegible]s. 47 Bacterial gland; regeneration; spermatozoa 48 Funiculus; egg development 49 Fixation; decalcification 50 Vestibular & bacterial glands 51 Pore plates; glands; muscles 52 Pore plates; E.M. photographs.