Fig. 6. Characteristics of lineage 4 (NB 3-1). (A) Ventral view of the projection of a lineage 4 clone. (B-D) Thick section projections showing the relationship of the neurite bundle from lineage 4 to features of the Neurotactin scaffold (red) in the ventral neuropil. (B-D) Progressively ventral slices. Numbers identify neurite bundles from other lineages. Diagrams as in Fig. 2. Commissure abbreviations as in Fig. 1.