INDEX. 



SUBIBEr,LA. 



microcora, liii, 11. 



ininuta, " IS, 19; Ivi, 8. 



M ississippica, v, 5. 



Molleriaua, lii, 14, 15. 



nobilis, cxi, 11. 



Xorwegica, lii, 4, 5. 



oblonga, " 12, 13. 



ovata, liii, 15, 16. 



ovalis, liii, 7, 8. 



panduriformis, Ivi, 11. 



pulchra, cvii, 7. 



Ilatrayi. Ixix, 1(1. 



recedens, lii, 3, 8. 



rettexa, Ivi, 1. 



regina, Iv, 7. 



robusta, liv, 8. 



S.-i xoniea, Iv, 4. 



sentis, liv, 4. 



spiralis, liii, 12, 13. 



splendida, i, 2-6; liv, 3, 7; 



Iv, s. it. 



striatula, Iv, i. 

 valida, liv, 5. 



SYMBOLOPHORA. 



acuta, xxii, 7. 

 trinitatus, Ixxviii, 14. 



SYNDENDRITTM. 



diadema, Lxiii, 11-13, 38. 

 SYNEDRA. 



acus, xli, 2-4. 



acuta, xli, 21-23, 30. 



affinis, xli, 10-12, 33, 34. 



amphyrhynchus, xli, 15. 



biceps, xli, 13. 14. 



rapitata, xxxix, 5. 



Chasei, v, 1, 2. 



crotonensis, xli, 19, 20. 



crystallina, xxxix, 2, 3. 



Danica, xl, 28-30; xli, 5, 6. 



t'nlgens, xxxix, 4, 9. 



Gallionii, " 10, 11. 



(ioulardii, xxv, 18, 19. 



investiens, xli, 27, 29. 



invortens, xxxix, 15. 



lanrcolata, xl, 21 ; xli, !. 



lonuiccps. xl.-31. 



loiiffissima, xxxix, 7; xl, 32. 



obtusa, xli, 7. 



niyrrliyiiclius. xxxix, 12. 



pnlHiolla, xli, 16-18, 26. 



radians, xxxix. 17. 



SYNEDRA. 



robusta, xxxix, 1. 

 ruinpens, " 13, 14. 

 spathulifera, xli, 1. 

 suporba, xli, 24, 25, :;-j. 

 ulna, xxxix, S; xli, 31. 

 undulata, xxxix, 6. 

 valens, v, 18. 

 vaucherise, xxxix, l(i. 

 vitrea, xli, 8. 



SYBINGIDITJM. 



Americana, Ixiv, :>s. 

 simplex, " 37. 



SYSTBPHANEA. 



Raena, Ixiii, 7. 



TAHELLARIA. 



feui'strala, 1, 1-6. 

 tlot-ulosa, 1, 7-11. 

 nodosa. Ixviii, 22. 

 robusta, " 22. 



TEBPSINOE. 



Americana. Ixiii, 6. 

 intermedia, Ixxviii, 1, 2. 

 magna, Ixi, 7. 

 minima, Ixi, 12. 

 musifa, " 6, 13-15. 

 tetragramma, Ixi, 8, 9, 10, 11. 



TESSELA. 



interrupta, xlviii, 14. 



TETBACYCLUS. 



emargiriatus, 1, 12, 15, Ifi. 

 hicustris, 1, 13, 14, 17-20. 



TOXONIDIA. 



Gregoriaiia. Ixix. 12. 



TBICEBATITJM. 



aculeatnm, xxv, 21. 

 alternans, c, 16, 18; cvi, 2. 

 amblyceros, Ixxvii, 3. 

 Americanum, ov, 7; cxi, 18. 

 amoenum, ci, 14. 

 amphitetras, civ, 2. 

 antillarum, ci, 1. 

 arcticum. cv, 5. 8; cvi, 7. 

 biquadratum, civ, 10, 17. 

 Brownianimi. ci, 10. 

 bullosum, c, 3. 



( 'alifornicum, xcix, 7 ; <-v, 13. 

 Campeachianum, ex, 2. 

 i -inna mo iniu in, Ixxv, 11; c\ - ,ls. 

 coiidccorum, cii. (>. 

 consiinilr, xcix, 10; cvi, (i. 



