INDEX 



TO NAMES OF FOURTEEN HUNDRED NORTH AMERICAN 



DIATOMS ILLUSTRATED IN THIS WORK WITH 



TWENTY-THREE HUNDRED FIGURES. 



[Roman numeral.-: i ml it-ate the Plates common //ry/ov.v, ///< 



each Plate.} 



<m 



ACHNANTHES. 



arenicola, xxix, 9. 

 brevipes, xxvii, 29, 30. 

 exilis, " 25. 



Hudsonis, " 28. 

 longipes, " 22-24. 

 microcephalum, xxvii, 27. 

 minutissima, xxix, 10, 11. 

 subsessilis, xxvii, 31-34. 



ACTINELLA. 



diodesmis? xxxvii, 9. 

 punctata, 6-ld. 



ACTINISCUS. 



Sirius, Ixix, !. 



ACTINOCYCLUS. 



alienus, Ixxxv, 14. 

 crassus, ciii, 1. 

 curvatulus, xciv, 14. 

 Ehrenbergii, Ixxxv, 9, 12. 

 ellipticus, 1. 



nioniliforinis, ciii, 5. 

 Niagarse, " 4. 



Ralfsii, Ixxxv, 13. 

 tenuissimus, ciii, 6. 

 triradiatus, Ixix, s. 



ACTINODISCUS. 



Atlanticus, Ixxviii, 11. 



ACTINOPTYCHUS. 



amblyoceros, Ixxxv, 5. 

 areolatus, 4. 



biseptinarium, cviii, 9. 

 Bismarkii, ciii, 3. 

 elegans, Ixxiv, 14. 

 excellens, xcii, 8. 

 glabratus, Ixxxv, 16, 17, 19. 



ACTINOPTYCHTS. 



(Ti-iindleri, Ixxiv, 11; xcii, :',. 7. 

 heliopelta, xcii, 1; ciii, 2. 

 incertus, Ixxxv, 8. 

 interpunctatus, Ixxvii, 5, ii. 

 irregulare, cxii, 3. 

 laevigatus, Ixxxv, 10. 

 nitidus, " (i. 



Ptitzeri, xcii, 2. 

 praeter, Ixxxv, 3. 

 pulchellus, ciii, 7. 

 quinarius, cviii, 10. 

 Raeanus, Ixxvii, 7. 

 socius, Ixxxv, 2. 

 spiniferus, Ixxxv, 18. 

 splendens, xcii, 9-12. 

 subtilis, Ixxxv, 7. 

 triangulus, xcii, 13. 

 trigonus, Ixxxv, 11. 

 undulatns, Ixxiv, 12; Ixxviii. 



13; xcii, 4, 5, 6. 

 vulgaris, Ixxxv, In, 20. 



AMPHICAMPA. 



? - , xlviii, 29-31. 



AMPHIPLBURA. 



Lindheimerii, xxxi, 2. 

 maxima, cxii, 1. 

 Oregonica, xxxi, 1. 

 pellucida, ' 3-5. 

 Weisstlogii, " 6. 



AMPHIPROKA. 



.-data, ii, 20, 21. 

 calumetica, xlviii, 22 24. 

 conserta, cvii, 3, 4. 

 conspicua, ii, 16. 



