INDEX. 



297 



subtholiforme, Cosmnrium, var. ver- 



rucosum, III 203 

 subtile, Cosmarium. V 267 

 Dysphinctium, V 267 



- Closterium, I 101 

 Penium, 192 ; V261, 267 



- Staurastrum, V 134 

 subtrinodulum, Cosmarium, 111 218 

 subtruncatum, Penium, I >5 

 subtumida, Ursinella. II 102 

 Mil.tumidum, Cosmarium, II 192 



var. Klebsii, 1 1 193 

 subtunrida, Pleurotaeniopsis, f. minoi-. 



Ill 117 

 subturgidum, Cosmarium, HI 116 



- f. minor, 111 117 

 Dysphinctium, III 1 hi 



subulata. Fnistulia. 1 17'. 



Stamoct'ras, 1 1 T'.l 

 subulatum, Closterium, I 179 

 subulatiis, Ai throdesmus, I \' 109 



- t. americana, I\' 110 



- f. media, IV 110 



var. subequalis, IV 110 

 subundulata, Ursinella, II 151 

 subuiidulatinn, ( 'osmarium. II 151 

 surrisuni, Cosmarium, II 179 

 supraspecioBum, Co>inai-ium. var. 



emarginatum, III 144 

 S \\arl/ii. Desmidium, I < : V 242, 246 



- var. amblyodon, V 212. 249 

 var. guadrangulatum, V 248 



Diatorna, V 24(1 

 synthh'bomehum, Cosmarium, III 180 



tatrica, Ursinella, III 45 

 tatricum, Cosmarium, III 45 



- var. novizelandicum, III 46 



- var. sphaemliferum, III 47 

 laxichondra, [Trsinella, IV 45 

 taxichondriforme, Cosmarium, II 136 

 taxiohoiidrum, (.'osmarium, IV 45 



var. genuina, IV 45 

 teliferum, Staurastrum, V 58 



- var. convexum, V 53, ><) 



- f. obtusa, V 60 

 tenerrima, Spirota?nia, I 47 

 tenerrimum, Closterium, I 177 

 tenue, Closterium, I 157 

 tenue, Cosmarium, II 167 

 tenuissimum, Xanthidium, IV 110 

 tenuissimus, Arthrodesmus, IV 88, 



116 



f. longispina, IV 116 

 terebrans, Staurastrum, V 156 

 Tetmemorus, I 3, 27, 216 

 Tetracanthum, IV 89 

 tetracentrotum, Xanthidium, IV 58 



tetracentrotum, Xanthidium, f. pro- 

 tuberans, 1\' 59 



var. quadricornutum, IV 59 

 tetracera, Binatella, V 118 



- Mirrasterias, V 118 

 tetracerum, Staurastrum, V 118, 123 



var. evolutum, V 107 



f. tetragona, V 120 



f. trigona, V 120 



var. undulatum, V 119 



var. validum, V 121 

 tetrachondra, Tisinella, II 175 

 tetrachondrum, Cosmarium, II 175 

 telra.iroiia, rrsiuella. Ill 17 

 ti-trai:onum, Cosmarium, III 17 



\ ar. I Javidsonii. 1 1 1 20 

 var. elogans. Ill 20 



var. heterocrenatum, 111 19 

 var. Lundrllii. 1 1 1 18 

 var. ]iumilum, 111 40 

 Kiiastnim (('osmarium). III 17 

 Sp..ndylu.siiun, V 224, 226 

 tetraophthalma, ri^indla, 111271 

 tetraophthalmum, Cosmai-ium, III 

 270 



var. I)c Xotarisii, III 124 

 var. Lundellii, III 271 



var. subrotundatum, III 273 



- < 'osmarium. III 124 

 Didymidium (Cosmarium), III 



271 



Kuastnim. Ill 27:: 

 Heterocarprlla, III 273 

 Thomasiana, llelierella, II 110 



- .Mid'asterias, II 110 



f. major, II 112 

 Thwaitesii, ( 'alocyliiidrus, III 104 



- ( 'osmarium, III 104 



var. curtum, I 07 



var. ma jus. III 62 

 var. penioides, III 105 



var. scoticum, I 96 



var. typicum, III 104 



Dysphinctium, III 104 

 IN 'iiium, I 87 



Tigurinum, Didymidium (Stauras- 

 trum), V 39 



tincta, Ursinella, II 168 

 tinctum, Cosmarium, II 168 



var. intermedium, II 169 



var. succisum, II 179 



- Sphserozosma, II 168 

 Tohopekaligense, Staurastrum, IV 



119; V178 



var. trifurcatum, V 179 

 tortum, Cosmarium, IV 161 



Staurastrum, IV 119, 161 

 toxon, Closterium, I 160 



