Xll ERE AT A, ETC. 



Page 777, end of F. virescens, insert (ix. 176.) 



— 778, line 6, after Ralfs, msert . — 



— 779, before Genus Nitzseliia, insert Fam. characters of Surirellege from p. 783 ; and see 



Note, p. 940. 



— 781, col. 1, Hne 2 from bottom, for 20 read 21. 



— 783, col. 1, line 12, for 22 read 23. 



— 784, col. 1, line 5 from bottom, for 2, 3 ; read 24. 

 ~ 784, col. 2, line 22 from bottom, for 19 read 20. 



— 786, S. pulehella, insert (iv. 28.) 



— 789, S. fulgens, i72sert (xiii. 20.) 



— 791, col. 1, line 2, for xviii. read vrii. 



— 796, S. striatula, insert (ix. 137, 138.) 



— 798, col. 1. line 24, for diyiduate read dimidiate. 



— 799, col. 1, line 21 from bottom, for magnificent read marginal. 



— 802, col. 2, line 14, for xv. read xii. ; line 29, for xv. read xir. ; last figure, for 56 



read 50. 



— 806, Gomphogramma rupestre, insert (iv. 46.) 



— 806, Tetracyclus lacustris, ijisert (viii. 10.) 



— 809, Gephyria incxwratsi, insc7't (v. 50.) 



— 809, Gephyria media, insert (v. 49.) 



— 809, Eupleuria pulehella, insert (viii. 2.) 



— 812, for G. undulata read C. midata. 



— 821, col. 2, line 6, after ochracea, insert (Ralfs) from next line; and after ferruginea 



insert (Elir.). 



— 836, col. 2, line 8 from bottom, for x. read xi. 

 — • 844, A. Kittoni, insert (viii. 24.) 



— 851, col. 1, line 17 from bottom, for nervosa read enervis. 



— 863, Dicladia Capreolus, insert (vi. 28.) 



— 875, CymbeUa Arcus, insert (vii. 78.) 



— 891, col. 1, line 2 from bottom, for xir. read xi. 



— 893, for "N. dissimUis (Rab.)" read "N. clepsydra (Ralfs)." 



— 903, for " N. jiroducta " read " N. extensa." 



— 911, S. Fidmen (Breb.), read "S. Fuhnen (Bri.)," and insert that species after S. con- 



stricta. 



— 923, col. 1, last line, for (viii. 43.) read (viir. 48.) 



— 929, col. 1, top line, for octocarpoides read ectocarpoides. 



— 938, col. 1, line 9, for " C. radiata'^ read " C. stylorumy 



— 941, Actinoptychvis Jupiter, now Actinocyclus Ehrenbergii. 



— 952, in description of Plate VII., insert " 78. CymbeUa Arcus, to right of fig. 42. 



79. AmjDhora monilifera, to right of fig. 49." {Note. The engraver has omitted 

 the numbers to these two figures in that Plate.] 



WORKS BY THE SAME AUTHOE. 



MICROSCOPIC ILLUSTRATIONS, with Descriptions of the New Microscope?, 

 Rules for constructing them, and Directions for their management, 



MICROSCOPIC CABINET, with Descriptions of the Jewel and Doublet Micro- 

 scopes, Test Objects, &:c. 



MICROGRAPHIA, with practical Essays on Eye-pieces, Solar and Gas Micro- 

 scopes, &c. 



NOTES ON NATURAL HISTORY, selected from the ^Microscopic Cabinet,' 

 with 10 coloured Plates from original Drawings by C. R. Goring, M.D. 



MICROSCOPIC OBJECTS : Animal, Vegetable, and Mineral. 



A LIST OF ENGLISH PATENTS for the first Forty-five Years of the present 

 Century. 



