INDEX. 



275 



Brnunii, Mesotaenium, var. Greyi, I 

 49 



var. minus, I 52 

 Brebissonii, Bambusina, V 255 



var. gracilescens, V 257 



Closterium, I 216 



- Cosmarium, III 161 : V 269 



- f. erosa, III 161 



var. genuina, III 203 

 var. horrida, III 161 



- f. subtumida, III 161 



- Cylindrocystis, I 14, 58 



var. Jenneri, I 77 



var. minor, I 59 

 Didymidium (Cosmarium), III 



161 

 Brebissonii, Gonatozygon, I 31 



var. Kjellmanni, I 33 

 var. Iseve, I 32 



var. minutum, I 33 



- ( iymnozyga, V 25(5 

 Holocanthum, TV 77 



Palmogloea, I 5S 

 Penium, I 58 



var. Jenneri, I 77 



(Tetmemorus), 1217 



- Staurastrum, V 61 



var. brevispinum, V 63 

 var. ordinal um, Y 71 



Tetmemorus, I 14, 216 

 - var. attenuatus, I 218 



var. minimum, 1 219 



var. minor, T 218, 219 



var. turgidus, I 218 



- Ursinella, III 161 



- Xanthidium, IV 77 



var. basidentatum, IV 80 



- var. varians, IV 78 

 Brefeldii, Pleurotsenium, I 204 

 brevispina, Binatella, IV 145 

 brevispinum, Staurastrum, IV 145 : 



V 5, 269 



var. altum, IV 148 



- var. Boldtii, IV 147 

 var. Dickiei, V 3 



f. hexagona, V 145 



var. inerme, IV 141, 149 

 f. major, IV 147 



f. minima, IV 147 



f. minor, IV 145 



var. minor, IV 145 

 var. obversum, IV 148 



Broomei, Cosmarium, IV 22, 24 



Ursinella, IV 24 

 Bryophila, Endospira, I 39 



Spirotsenia, I 39 

 bullosum, Staurastrum, V 55 

 Bulnheimii, Arthrodesmus, IV 105 



Bulnheimii, Arthrodesmus, var. sub- 

 incus, IV 105 

 Burmense, Staurastrum, V 113 



cselata, Ursinella, III 135 

 caelatum, Cosmarium, III 134 



var. hexagonum, III 137 

 var. spectabile, III 136 



calcarea, Ursinella, III 235 

 calcareum, Cosmarium, III 235 

 caldariorum, Mesotaenium, I 53 

 Calueylindrus, I 24 ; II 126 

 calospora, Arthrodia, I 138 

 ealosporum, Closterium, I 138 



- var. galiciense, I 140 



- f. major, I 139 

 cambiense, Euastrum, II 45 

 i-ambrica, Roya, I 108 



- f. limnetica, V 260 

 Ursinella, III 9 



Cambricum, Cosmarium, III 9 



- f. minor, III 10 



var. typica, III 9 

 campanulatum, Staurastrum, IV 177 

 canaliculatum, Cosmarium, II 198 

 i-andianum, Arthrodia, I 169 



Closterium, I 169, 170 

 ('apitula, Ursinella, III 119 

 Capitulum, Cosmarium, III 119 



var. groenlandicum, III 120 



- Staurastrum, IV 124 



- var. acanthophorum, IV 126 



var. amcenum, IV 124 



var. italicum, IV 126 



var. spetsbergense, IV 126 

 var. tumidiusculum, IV 126 



caudatum, Closterium, I 188 

 celatum, Euastrum (Cosmarium), III 



221 



Cell-wall, structure of, I 14 

 Centrenterium, IV 50, 89 

 Cerastes, Staurastrum, I 14 ; V 141 

 Ceratium, Arthrodia, I 176 



- Closterium, I 176 ; V 269 

 Chavesii, Staurastrum, V 134 

 chlamydosporum, Mesotsenium, I 52 



- var. Archeri, I 53 



- f. minor, I 53 



- Palmogloea, I 53 

 Chloroplasts, I 6, 93 



circulare, Cosmarium, II 27, 136, 137 



f. minor, II 137 



Didymidium (Cosmarium), II 136 

 Euastrum, II 27 



var. jS, II 20 

 var. 7, II 22 



var. Falesiensis, II 20 

 var. Hassallii, II 27 



