BOTANY OP FEliNANDO NOEONHA. 83 



14. Naticula inteertjpta, Kuetz.^ var. 



Length "08 mm. ; breadth of central portion "02 mm., of lobes 

 •03 mm. Eare. 



15. Pleurosigma speciosum, W. Sm., var. 



Similar to Tahiti specimens procured by H.M.S. * Challenger.' 

 Length '1225 mm. ; breadth "025 mm. Several. 



IG. P. LoEEKZii, Gru)2. 



Similar to specimens found by Dr. Lorenz in 2 to 4 fathoms on 

 Zosfera.-gcouud. in the Adriatic. Length "1 mm. ; breadth '02 mm. 

 Pew. 



Fam. 3. Achnanthe^. 



17. AcHisTANTHES suBSESsiLis, Ehreuh. 

 Length -045 mm. Eare. 



18. A. GLABEATA, Gnin. 

 Typical. Eare. 



Fam. CoccoisrEiDE^. 



19. COCCOKEIS SCUTELLUM, Ehreiib. 



Major axis '02 mm., If times minor. Not uncommon. 

 Fam. 4. Feagilaete^. 



20. SrNEDEA AFFiNis, var. HYBEiDA, Gruu. 



Length -1025 mm. ; breadth -0125 mm. Striae 12 to 13 in 

 •01 mm. This var. is allied to S. tahulata, Kuetz., and S. nitz- 

 schioides, Grun. 



21. S. AFFiNis, var. delicatula, Grun. 



Length •0825 mm.; breadth ^005 mm. Specimens found 

 attached laterally. Common. 



22. S. oxYEHTNCHus, Kuetz . 



Length ^0625 mm. ; breadth '006 mm. Eare. 



23. S. Acus, Kuetz. 



Length •0625 mm. ; breadth '005 mm. Eare. 



24. S. LANCEOLATA, Kuetz. 



Length '075 mm. ; breadth '01 mm. Few. 



25. LiCMOPHOEA AUSTEALIS, GrUfl., Var. MAJOE. 



Length "0425 mm. ; breadth -025 mm. Eare. 



26. L. DEBiLis, Grz«i. = Podosphenia debilis, Kuetz. 

 Length "0225 mm. ; breadth "0125 mm. Few. 



27. L. PAEADOXA, ^y.=Diatoma flabellatum, Juerg., et Grom- 

 phonema paradoxum, G. Ag. 



Length "04 mm. ; breadth ^035 mm. Few. 



g2 



