848 



(JKYU)N PKARL OYSTER RKPORT. 



Fig. 38. One side of branchial sac. x 300. 



39. Ascidiozooid and advanced bud. x 300. 



,, 40. Small colony, mounted whole, x 40. 



41. Kehinated Leptoclinum sp. (?). Nat. size. 



Fig. 42. Three spiny papillae from the surface, in 



profile, enlarged. 



,, 43. Amnrniiriinii sp. (?). Nat. size. 

 44. Dipl-omna sp. (?), two colonies. Nat. size. 



PLATE IX. 



(All the figures on this plate are reproduced from photographs.) 



Fig. 1. Leptoclinum ceylonicum, n. sp., Palk Bay. 

 2. Another colony from off Chilaw. 

 Leptoclinum ramosum, n. sp. 

 Leptoclinum ceylonicum, var. planum, below, 

 with Gynandrocarpa imthurni, n. sp., 

 above. 

 5. H-ypurgon skeafi, SOLLAS. 



Fig. 6. Diploeoma virule, n. sp. 



7. LeptocMnwi) margaritiferf?, n. sp. 



,, 8. Psammaplidium aurantiacwn, n. sp. 



9. Psammaplidium cei/lonicum, n. sp. 



10. Psammaplidium sp. A. 



,, 11. Psammaplidium sp. B. 



