I.VDEX. 



165 



159 



>- 



26 

 26 



16 



< ii-maritm sportella, Breb., . 38 



" stenonotum, Nord., . . 69 



subcrenatum, Hantzscb, 84 



sublobatum, Arch., . . 80 



" Biiborbicalare, Wood, . 7^ 



supraspeeioaum, . . vv 



ta uchondrum, Lund., . 71 

 tetraophthalmum K - 



Breb. . . . 75 



tin. turn. Ralfe, . . 61 



tithophorum, Nord., . 80 



trachypleurum, Lund., . 63 



" triplicatum, . . 7."> 



tamidum, Land., . . 61 



Turpi nii, Breb., . . L58 



" undulatum, < Sorda, . . <>7 



variolatum, Lund., . 63 



venustum, Rab., . . on 



Crystals in I tesmids, . . . 157 

 Dfbmjdizje. Bow generated and 



multiplied, . . . 'Jl 



Debmidium, Vg Description of, 25 



aptogonium, Breb., . 27 



Baileyii, Ralfe, . . 27 



cylindricum, < rre\ .. . 25 

 I tiagonum, I telp., 

 longatum, 



quadrangulatum, Kg., . 

 quadratum, Nord., . 

 Swartzii, A.g., 



DESMIDS, ( liarinli -i- i I i of. . 



How multiplied, . .17 



Regeneration of, . 1 v 



( )f the United States, . . 21 



Voluntary movements of, . 16 



Where found, . . 1"> 



Didymoprii m. Kg. . 35 



DociDll m. Breb. - Why aame U 



retained, . . . .47 



Baculum (Breb. D.By., 49 



breve, Wood, . 158 



clavatum (Kg.) D,By., . 48 



constrictum, Bail., . 50 



coronatum, Rab., .49 



coronulatum, t rrun., . 19 



cosUittuit, . . . 53 



Doa 



i>n m crenulatum Ehrb. Rab. 17 

 dilatatum (( Jleve). Lund., 50 

 Ehrenbergii, Ehrb., 50, 159 



\*:ir. Florid* 

 Flotowii, Rab., 

 gracile, Breb. 

 birsutum, Bail., 

 minutum, Ralfe, . 

 nodosum, Bail., 



idum\ . 

 sinuosum, 



Var. brt 

 spinomm, 

 Trabecule i Ehrb. Saeg 



(riiliitliiliitn. 



truncatum, Breb., 

 undulatum, Bail., . 

 verrucosum, Bailey 

 verticillatura, Bail., 

 Var. turgidum, 



159 

 49 

 53 

 51 

 52 

 50 

 50 

 51 

 51 

 50 

 18 



. 52 

 48 



. 51 

 Ralfe 52 



. -53 



stbi m. Ehrb., 



abruptum, Nord., 

 affine, Ralfe, . 

 ampullaceum, Ralfe, . 

 ansatum Ehrb. Ralfe, 



uatutn, . 

 binale Turpin . Ralfe, 

 circular* Haas. Ralfe, 

 compaction, 

 crassicolla, Lund., 

 crassum I Breb. I Kg., 

 cu&pidcUum, . 

 didelta (Turpin . Ralfe, 

 divaricatum, Lund., 

 I ><m nt II a. 

 elegant*, Kg., 

 erosum, Lund., 

 Everett* net . . 

 formosum, 

 gemmatum, Breb., 

 bumerosum, ti;ill">. . 

 insigne, 1 la-~.. 

 inerme, Lund., 

 insulare, Wittr., . 

 intermedium, Cleve, 



\'ai-. cuspidatum, 

 mammiUosum, . 

 muitilobatum, Wood, . 

 Nordstedtianum, 

 oblongum (Grev.j Ealfs, 



'.'7 

 H>7 

 100 

 100 



99 

 103 

 107 

 101 



ni7 



in.-, 



97 

 1 1 15 



99 

 1(14 

 103 

 L06 

 104 

 L02 

 102 



101 



99 

 102 



104 

 lo4 

 1 1 12 

 103 

 102 



98 

 105 



98 



