BOTANY EuPODISCACEjfc Auliscus sculptus, Ralfs. W.C. COSCINODISCACE^E Actinocyclus Ralfsii, Ralfs. W.C. sparsus, Rattr. subtilis, Ralfs. Brightivellia splendida, Rattr. Coscinodiscus excentricus, Ehr. lineatus, Ehr. radiatus, Ehr. MELOSIRACEJE Lysigenium varians, De Toni. Gallionella nummuloides, Bory. Melosira Dickiei, Ktltz. ochracea, Ralfs. orichalcea, Ktltz. Roeseana, Rab. var. dendroteres, Grun. Paralia sulcata, Cleve. Podosira Montagnei, Ktltz. Hyalodiscus stelliger, Bail. HELIOPELTACE.S Actinoptychus splendens, Shadb. undulatus, Ralfs. CHLOROPHYCE^E DESMIDIACEJE Desmidium cylindricum, Grev. W.C. Swartzii, C. Ag.
- quadrangulare, Ktltz. Penzance
Hyalotheca dissiliens, Brb. mucosa, Ehr. W.C. Sphaerozosma excavatum, Ralfs. W.C.
- vertebratum, Ralfs.
Onychonema filiforme, Roy & Biss. Chy- an-hal Gymnozyga moniliformis, Ehr. W.C. Gonatozygon asperum, Cleve. Kerris Moor Ralfsii, De Bary. W.C. Cosmocladium constrictum, Josh. Treng- wainton Genicularia Spirotaenia, De Bary. HayJe Spirotaenia condensata, Breb. Penzance minuta, Thur. W.C. obscura, Ralfs. Penzance Mesotaenium Braunii, De Bary parvula, Arch. W.C. Cylindrocystis Brbissonii, Menegh. Bod- min diplospora, Lund. W.C. Closterium acerosum, Ehr. W.C. acutum, Brel). Bodmin, Penzance angustatum, Ktltz. W.C. attenuatum, Ehr. Penzance cornu, Ehr. W.C. costatum, Corda. Cynthia, De Not. Dianas, Ehr. didymotocum, Corda. (continued) Closterium Ehrenbergii, Menegh. W.C. gracile, Br^b. W.C. incurvum, Br6b.
- intermedium, Ralfs.
Jenneri, Ralfs. juncidium, Ralfs. Leibleinii, Ktltz. linea, Pert. lineatum, Ehr. Rough Tor, Penzance macilentum, Br6b. Mullion lunula, Kitsch. W.C. moniliferum, Ehr. parvulum, Nag. Bodmin pronum, Brb. Mullion pusillum, Hantzsch. Penzance var. monolithum, Wittr. Gurnard*. Head rostratum, Ehr. Penzance setaceum, Ehr. W.C. striolatum, Ehr. turgidum, Ehr. Penzance Venus, Ktltz. W.C. Penium closterioides, Ralfs. didymocarpum, Lund. digitus, Breb. interruptum, Brdb. ,, lamellosum, Br^b. margaritaceum, Br^b. Penzance navicula, Brb. oblongum, De Bary.
- truncatum, Ralfs. W.C.
Tetmemorus Br6bissonii, Ralfs. granulatus, Ralfs. laevis, Ralfs.
- penioides, Benn. Mavjgan
Docidium baculum, Brdb. W.C.
- granulatum, Benn. Mawgan
minutum, Ralfs. W.C. siculum. Bodmin Disphynctium annulatum, Nag. W.C. cucurbita, Reinsch.
- curtum, Breb.
cylindrus, Nag. quadratum, Hansg. sinuosum, Hansg. ,, var. decedens, Reinsch. Penzance Pleurotaenium clavatum, De Bary. W.C. Ehrenbergii, Delponte. nodulosum, De Bary. Penzance truncatum, Nag. W.C. Pleurotasniopsis aculeatum, Ehr. Ralfsii, Lund. Xanthidium armatum, Brb. Br^bissonii, Ralfs. cristatum, Brb. fasciculatum, Ehr. Cosmarium abbreviatum, Racib. Crowan amaenum, Brib. W.C. ansatum, Ktltz. 95
