PLATE VIII. 



Fig. i. Thesea flava n. sp. Natural size. \a, part of branch X 5- 



Fig. 2. Thesea simplex n. sp. Natural size. 2a, part of branch X 5. 



Fig. 3. Thesea pallida n. sp. Natural size. 3«, part of branch X 5- 



Fig. 4. Thesea immersa n. sp. Natural size. 4a, part of branch X 5- 



