558 



INDEX. 



Terms Described. Acuminate 86, acuminate-capitate 86, acute 

 86, adherent 84, ala, ala; 87, alveolate 85, 91, alveolate 

 structure 91, apex, apices 85, 86, appendix, appendices 85, 

 arcuate 83, 85, attenuate 86, auxospore 21, axis, axes, longi- 

 tudinal and transverse 83, bacillar 83, bent 83, 85, bifurcated 

 raphe 93, blank space 8, caniliculus, caniliculi 91, capitate 

 8(i, carinate 87, cellular 85, cellular membrane 2, cellular 

 structure 91, cellulose 85, central nodule 93, chlorophyl 5, 

 chromatophore 3, 5, cingulum 1, circular 85, 86, coleoderm 

 2, complex 83, compound 83, conjugation 13, connecting 

 band 1, connecting zone 1, 83, costa, costte, 85, costate 

 85, cuneate 86, cuneiform 86, cymbiform 85, defective 

 nodule 93, diatomine 5, dimidiate-striate 85, dorsum 85, 

 dorsal margin 85, double raphe 93, duplicated nodule 93, 

 elliptic 86, endochrome 1, 3, extremities 85, 86, free 84, 

 fronds 84, frontal face 8, frustule 1, 83, geniculate 83, 85, 

 genuflexed 83, 85, genus 98, girdle 1, girdle view 8, 83, 

 grating 90, hyaline area 8, lanceolate 86, longitudinal axis 

 83, lumen 87, median line 8, 93, mesorhabde 8, moniliform 

 85, gr, nodule 8, 93, nucleus 2, nucleole 2, obtuse 86, ocellus 

 ocelli87, orbicular 86, oval86, partitions84, pelagic 39, pentan- 



gular 86, pervious-striate 85, phycoxanthine 5, plankton 39, 

 polygonal 85, primordial cell 2, principal face 8, process, 

 processes 85, 87, produced 86, protoplasm i; mass 2, pseudo- 

 stauros 8, punctate 91, punctum, puncta 85, pyrenoi'd 5, 

 quadrangular 86, race 99, raphe 8, 93, reniform 86, rostrate 

 86, rostrate-capitate 87, rounded 86, rudimentary raphe 93, 

 secondary valve 91. self division 13, septa, septae 84, sessile 

 84, side view 8, simple raphe 93, smooth 85, species 99, 

 sporange. sporangial 21, stauros 8, 94, stipitate 84. stria, 

 striae 85, striate 85, tapering 86, terminal nodules 8, 93, 

 thallus 84, torsive 83 transverse axis 83, triangular 86, 

 truncate 86, twisted 83, valve, valves 1, 83, 84, valve view 83, 

 valvular face 8, variation 99, venter 85, ventral sid^ 85, vitta 

 vittse 84, zonal view or face 8, zone 1, 8 



Valves 1, variety of shapes of 7, 8, secondary 51 



Valvular face 8 



Wallich, C. C, on structure 1 



Work-room 24 



Zonal view 8 



Zone 1, 8 



Zopf, Dr. W., on parasitic fungi 64 



ADDENDA ET CORRIGENDA. 



p. 5, 1. n, for "it," read "its"; p. 10, 1. 30, insert "a" before "string"; p. 124, for 

 " Cocconideae," read " Cocconeidece " ; p. 152, Gomphopleura=Reicheltia ; p. 156, 1. 31, for 

 " stigmophora," read " Stigmophora " ; p. 166 (5 lines from bottom), for "England," read 

 " Scotland " ; p. 169, 1. 14, for " Pinnularieae." read " Pinnulariae " ; 11. 15, 16, for " Radiosese," 

 read " Radiosa;" ; p. 175, 1. 28, for " anceolate,'' read "lanceolate"; p. 193, 1. 15, for "plate 

 25," read " plate 26 " ; p. 198, 1. 2, for "Major," read "major"; p. 254,1 2, omit "915"; p. 

 270 (1. 3 from bottom), the bracket should be after "etc.," and not after " 16*" ; p. 288, the 

 description of C. Pediculus is incorrect. It should be as follows : 



Valve broad, subrhomboidal, strongly flexed ; hyaline zone of the superior valve 

 constricted at the median portion ; striae interrupted by hyaline flexuous lines ; inferior valve 

 showing some short, very robust costaa ; transverse striae radiant, rather robust, punctate, 

 about 16 to 17 in 1 c.d.m. Length, 1*5 to 3 c.d.m. 



p. 299, I.4, for "narow," read " narrow": p. 306, 1. 8, for "1865," read "1863"; p. 317, 

 1. 1, for "IV.," read "III."; p. 322, 1. 3, for " Nitzschioides," read " nitzschioides " ; p. 367, 

 1. 18, insert bracket between " Solea " and "Breb."; p. 369, 1. 15, for "subsala" read 

 " subsalsa " ; p. 402, 1. 1, for " debitis " read "debilis" ; p. 411 (last line), for " Coscinodiscus," 

 read " Coscinodiscete " ; p. 416,1.11, for " Schult," read " Schiitt " ; p. 4T9, in name of figure 

 for " Mericliana," read " meridiana " ; p. 429, Mastogonia=Stephanogonia ; p. 430. 1, 11, for 

 " Ketrodiscus," read " Kentrodiscus " ; p. 430, 1. 14, for " 1891," read " 1889" ; p. 451, in name 

 of figure, for " Enervis," read " enervis " ; p. 454, 1. 24, for " Ennotogramma," read 

 ; Eunotogramma " ; p. 456, in name of second figure, for " Regnia,' read "Regina"; p. 



459, 1. 17, for " Monile," read " monile ' 



in name of Fig- 200, 

 read " Stanroneis.'' 



for 



concmnus, 



; p. 466, 1. 29, for 

 read ' ' Circinus " ; 



' circinnus, read " Circinus" ; p. 457, 

 p. 546, col. 1, 1. 44, for " Pinnularia " 



