356 THE FIGURES IN COOKE’S ‘BRITISH DESMIDS.’ 
C. tinctum, fig. a, b, ¢, d. S. monticulosum, _ a, d, e. 
C. ee a8 3 7 6). S. hirsutum, fig 
}. erenatum, b, ¢). S. teliferum, fig. e 
C. satan, fe: : b, e. S. asperum, fig. d, 
C. ovale, fig. b, S, orbiculare, fig. f, g 
C. Botrytis, fig. g S. muricatum, fig. b, d? 
C. amoenum, fig. a—d S. pileolatum, fig. b, d. 
C. coelatum, £ S. tumidum, fig. a—d, pl. 57. 
C. commissurale, fig. S. brachiatum, fig. a, a, b super., 
C. cristatum, fig. a (2), d (?j,e d, e partly. 
Calocylindrus cylindricus, fig.a,d. S. tricorne, fig. a infer., pl. 58 ; 
C. cucurbita (mo fig. a, “ie be pl. 64. 
C. curtum, fig. ¢ S. cyrtocerum, fig. a, d. 
C. attenuatus, fig. ¢ S. sclacianban, fig. b infty C, 
C. turgidus, fig. c(a ans ?) d, d, e 
Xanthidium ig es, fig.b,c,d,f. 8. gracile, fig. a super. 
. antilopeum, fig. a. S. vestitum, partly. 
Stawrastrum dejectum, fg. &, 6, g. : leve, fig. a, b dextr. 
S. brevispina, fig. b infer }. controversum, fig. a, ¢, d, e? 
cuspidatum, fig. e 5 seacostatum, m : 
S. lunatum, fig. a, margaritaceum, mostly. 
8. 
A “esi sa var. armiger um, fig. 8S. enorme [no Desmid]. 
a, c, d. 
After Arcuer (in several works) :-— 
‘eisai Kinahani. Staurastrum O’ Mearit. 
Mesotenium mirificum S. cristatum, fig. ¢, 
M. ee orum. S. monticulosum, fig. ¢. 
Micrasterias Thomasiana (fig.d & S. lanceolatum 
, fig. f, g. 
2 Walang to M. denticulata, and [Mr. Cooke ought to have copied 
fig. g to M. rotata, not to M. _ the figure of ues tener- 
Hy —— vana), —s Arch. roc. R. Irish 
Calocylindrus tuberculatus, partly , Ser. 2. vol. ii., Science 
feabeseleg: snanaeeoes ast6), pl. 14.] 
After Bruzisson, List. Desm. Norm. :— 
Calocylindrus palangula, fig. a, b. 
After Dz Bary, Conjug. :— 
Desmidium cylindricum, fig. b —— violascens, partly at 
(d2). least, but altered, from De 
Docidium minutum (Pen. Raljsii), Bary’s fig. 
fig. Le. Spirotania bryophila, fig. a, b. 
j ruptum. Cosmarium Portianum, fig. f. (C. 
Cylindrocystis crassa, fig. b, ¢. orbiculatum De B.) 
After Dexponrz, Spec. Desm. :— 
praantibenps ee »fig. b,c. Xanthidium m eae fig. b. 
M. apiculata, fig. X. cristatum, fig. d 
Euastrum dora fig. b. Arthrodesmus entgian fig, ¢, 
— Cosmarium pyramidatun, i achc a; ¢. 
