CALIFORNIA ACADEMY OF SCIENCES. 433 



20. CosMARiuM Brbbissonii, Menegh. 



21. COSMARIUM CONTRA CTUM, Kircll. 



22. COSMARIUM CRENATUM, Ralfs. 



23. COSMARIUM cucuMis, Corcla. 



24. COSMARIUM EXIGUUM, Arcli. 



25. COSMARIUM MARGARITIFERUM, Meiiegll. 



26. CosMARiuM MENEGHiNii, Breb. 



27. COSMARIUM MONILIFORME, Ralfs. 



28. CosMARiUM NiTiDULUM, DeNot. 



29. COSMARIUM ORNATUM, Ealfs. 



30. COSMARIUM ORTHOSTICUM, Limd. 



31. COSMARIUM PACHYDERMUM, Luild. 



32. CosMARiUM PSEUDOTAXICHONDRUM, Nord. — a forin. 



33. COSMARIUM PYRAMiDATUM, Breb. 



34. COSMARIUM QUADRATUM, Ralfs. 



35. COSMARIUM Ealesii, Breb. 



36. CosMARiuM RHOMBUSOiDES, Wolle, n. sp. 



37. COSMARIUM SUBLOBATUM, Arch. 



38. COSMARIUM TETRAOPHTHALMUM (Kg.), Breb. 



39. COSMARIUM TRiPLiCATUM, Wolle — a form. 



40. CosMARiUM TUMiDUM, Lund. 



41. Xanthidium ANTiLOPiEUM (Breb.), Kg. 



80— Bull. Cal. Acad. Sci. II. 7. Issued June 16, 1887. 



