SCIENTIFIC INDEX. 
PART I. PAGES 1 TO 474. 
The most important reference is given first; others follow in numerical order. Hach scientific name 
is indexed for every page on which it occurs. Synonyms, and also the figures referring to the pages on 
which they are mentioned, are in italics. An asterisk after a page reference signifies that an illustration 
of the form in question is given on that page. A page reference in bold face type signifies that on this 
page the form is described. 
Abietacex, 2. Anomalina, 44, 28. 
Acanthochonia, 56, 64. ammoides, 44, 52. 
Acanthocladia, 106, 103, 111. Anomaloides, 68, 69, 71. 
Acanthocladiida, 106, 99, 110. recticulatus, 68, 69. 
Acanthopores, 98, 97, 104. Anomalospongia, 69, 68, 71-74. 
Aceracex, 5. reticulata, 69, 70, 71*, 72, 74. 
Acerites, 5. Anona, 5. 
Acrogenia, 106, 110, 163. Aperture, primary, 99. 
Acrothele, 361. superficial, 99. 
Acrotreta, 361. Apetalew, 8, 5. 
Actinotrypa, 106, 110. Arachnidium, 114. 
Actinozoa, 83. Aralia, 8, 5. 
Albertia, 2. radiata, 9, 21, 22. 
Alcyonaria, 95, 148. Araliacex, 5. 
Alecto, 115. Araucariex, 2. 
dichotoma, 115. Archimedes, 106, 110. 
frondosa, 119. Aristerospira omphalotetras, 40. 
inflata, 117. Aristolochia, 5. 
Alnites, 8. Aristolochiex, 5. 
crassus, 13, 9, 22. Arthroclema, 194, 103, 106, 122, 155, 186. 190, 191, 
kerfersteini, 14. 193, 196, 198, 202, 319. 
nostratum, 14. angulare, 198. 
Alnus, 13, 5. armatum, 201, 159, 193, 196, 198, 202, 251. 
Amentacee, 5. billingsi, 197, 198. 
Ampelidex, 5. cornutum, 200, 198, 202. 
Amphispongia, 73, 74. pulchellum, 197, 198, 200-203. 
oblonga, 74. Sp. undet., 203. 
Amphistegina fleuriausi, 46. spiniforme, 190, 
Amplexopora, 107, 110, 296, 316, 317. striatum, 198, 201-203. 
superba, 297, 297. Arthronema, 187. 
winchelli, 295. tenue, 188. 
Amplexoporide, 316, 107, 109, 271, 303. Arthropomata, 377. 
Anastrophia, 382. Arthropora, 176, 103, 106, 163, 177, 204. 
hemiplicata, 382, 353, 428. armatum, 133. 
var. rotunda, 383. bifurcata, 178, 179. 
scofleldi, 383. reversa, 178, 155, 179. 
verneuili, 383. shafferi, 176-178. 
Anazyga, 465. simplex, 177, 178. 
recurvirostra, 466, Arthrostylide, 185, 106, 109, 163, 187, 204. 
Andromeda, 8, 5. Arthrostylus, 187, 106, 186, 191, 194. 
parlatori, 16, 9, 22. conjunctus, 188, 189. 
Anisotrypa, 107, 111. curtus, 188. % 
Annularia, 2. obliquus, 188, 
Anolotichia, 326, 107, 291, 327, 328. tenuis, 189. 
impolita, 327, 292, 326. Aschemonella, 51. 
ponderosa, 327, 328. Ascodictyon, 107, 110, 112. 
