716 Bacillarieae, Plagiograraraacea?;, filyphodesmis. 



simis, brevissimis, romotis, vix 4 \n 10 a., area late lanceolata 

 levissima. 



Hab. ad oras Scotise, Hiberniae, Sueciae, in Tago salso, in arena 

 litorali maris adriatici (Lorenz), ad Venetias, in algis majori- 

 bus ex portu « Plymouth)) (Suhr). 



3. Glyphodesmis eximia Grev. in Micr. Journ. 1862, p. 235, t. 10, 2890 

 f. 7-10, Cleve Diat. of West Ind. Archip. p. 10. — Valvis obtuse 

 ellipticis, pseudonodulo centrali amplo quasi umbonato, pseudorha- 

 phe prope pseudonodulum centralem plerumque orbiculariter ex- 

 pansa; striis transversis moniliformibus, robustis, in parte latiore 

 valvae e grauulis 3-4 compositis; structura eximie clathrata, api- 

 cibus valva3 levibus. 



Hab. inter residua concharum ad « Nassau, New Providence » 

 (G. Norman), ad insulam Jamaicam (Greville) et S. Heleaam 

 (Wallich), ad insulas Virginum (Cleve). 



4. Glyphodesmis challengeriensis Castrac. Diat. Challenger pag. 44, 2S9i 

 t. 18, f. 13, Notarisia 1889, p. 686. — Magna, 136 y.. longa (ex icone), 

 medio constricta, apicibus productis, cuneato-rotundatis ; pulvinulis 

 terminalibus levibus, ellipticis; pseudonodulo centrali erectiore in 

 area levi elliptica, punctis quadrato ordine dispositis. 



Hab. in mari Philippinarum (Exped. Challenger). — Linea 

 axialis (pseudorhaphe) in valva latior. 



5. Glyphodesmis margaritacea Castrac. Diat. Challenger p. 44, t. 18, 2892 

 f. 10, Notarisia 1889, pag. 686. — Valvis ellipticis, 16^34 (ex 

 icoae), granulis distinctioribus quadrato ordine dispositis et trans- 

 verse per plicas distinctis, areis ad apices et ad centrum levibus, 



iu area centrali nodulo subobscuro. 



Hab. ad « Zebu » in mari Philippinarum (Exped. Challenger). 

 — - A Glt/phodesmide eximia Grev. omnino distincta dicitur. 



6. Glyphodesmis Murrayana Castr. Diat. Challenger pag. 43, t. 18, 2893 

 f. 12, Notarisia 1889, p. 686. — Maxima, 200^22, longe elliptica, 

 diametro uovies longior; structura clathrata, granulis subquadra- 



tis, quadrato ordine dispositis; pulvinuiis terminalibus levibus, el- 

 lipticis, area centrali transverse eliiptica, pseudonodulum rotunduin 

 circumscribente. 



Hab. ad insulas Philippinicas (Exped. Challenger). 



7. Glyphodesmis elongata Cleve et Grove in Diatomiste 1891, p. 56, 2894 

 t. 8, f. 12-14. — Valvis aiignste linearibus, medio turaidis, 110;; 



59, pseudorha[»he lineari, medio paullulum dilatata, pseudonodulo 

 centrali deflnito instructa, costulis (areolis Cleve), levibus, brevibus, 



