ZOO 316 ZYG 
Zootocy——Infusoria. 
Euastrum rota, xli, 294.f 
, xli, 295f, 296f, 297.f 
Eunotia arcus, xlii, 100.f 
diodon, xlii, 100. f 
pentodon, xlii, 100.f 
serra, xlii, 100.f 
tetraodon, xlii, 100.f 
, xiii, 100.f 
Eupodiscus, characters of genus, 
xlvili, 208. 
Fragillaria pectinalis, xlii, 103.f 
trionodis, xln, 103. 
Frustulia, xlui, 326. 
Gaillonella aurichalcea,  xlii, 
~90.f 
distans, xlii, 91.f 
ferruginea, xli, 93. 
moniliformis, xlii, 89.f 
sulcata, xlii, 91.f 
varians, xlii, 91.f 
, xlii, 92; xlviii, 322.f 
Gloeonema, xliil, 327. 
Gomphonema, xliii, 323. 
minutissimum, xliii, 323.f 
, xlili, 323f, 324.f 
Goniothecium ? xivill, 336.f 
Heliopeta, genus, xlvili, 324. 
Hercotheca, genus, xlvili, 327. 
mammilaris, xlvili, 327. 
Isthmia, xliii, 321. 
Lithocampe, xlviii, 336.f 
Mastogonia, genus, xlvili, 326.f 
Meridion vernale, xlii, 103.f 
Micrastenas Boryana, xli, 293.f 
tetras, xli, 293.f 
, xli, 293.f 
Microtheca octoceros, xli, 304. 
Naunema, xliii, 326f ;—-N. ——, 
xlili, 327.f 
Navicula, xlii, 96. 
concentrica, xlvi, 189.f 
sigma, xlii, 99.f 
striatula, xlii, 98.f 
viridis, xlii, 96.f 
viridula, xlii, 97. 
, xlii, 98f, 99.f 
Omphalopelta, genus, xlvili, 825. 
Pentasterias margaritifera, xli, 
290. 
Periptera, genus, xlvili, 327. 
Zoo.tocy——Infusoria. 
Podiscus Rogersi, J. W. Bailey, 
xlvi, 137.f 
Podosphenia, xliii, 323.f 
Pyxidicula operculata, xlii, 88.f 
globata, xlii, 88. 
Pyxidicula, xlii, 88.f 
Raphoneis, characters of genus, 
xviii, 204. 
Sceptroneis, genus, xlvili, 326.f 
Schizonema, xlill, 328. 
Spherastrum, xli, 290. 
Staurastrum paradoxum, xli, 289. 
Stephanogonia, genus, xlvili, 826.f 
Stephanopyxis, sub-genus, xlviii, 
320. 
Striatella, xlitt, 326. 
arcuata, xlili, 226.f 
Surirella, xlviii, 822.f 
Symbolophora, characters of ge- 
nus, xlvill, 2038. 
Syncyclia, xliil, 326. 
Synedra, xliii, 322. 
Systephania, genus, xlviil, 325. 
Tessararthra moniliformis, xli, 
290. 
Tessella catena, xlii, 102.f 
Triceratium, xlvili, 336.f 
solenoceros, xlviii, 829. 
spinosum, J. W. Bailey, 
xlvi, 139.f 
Xanthidium, xli, 290.‘ 
—— ramosum, xli, 291. 
Sexlig 29 Det 
Xanthiopyxis, sub-genus, xlviil, 
B27 AI 
Zygoceros bipons, xlviii, 329.' 
rhombus, J. W. Bailey, 
xlvi, 138.f 
Tuomeyi, J. W. Bailey, 
xlvi, 138.! 
Zoophytes, G. A. Manteli’s lecture 
on, xxxill, 329. 
, see farther under Zoology. 
Zuccarini, J. G., Flora Japonica of, 
noticed, xxxix, 175. 
Zurich, Societies in, ix, 184. 
Zurlite, xi, 254. 
Zygodon, see Zeuglodon. 
