>3 I 



INDEX. 



Mouograptus unciuatus var. micropoma 



428 ; XLIII, 2 

 var. orbatus 



427 ; XLIII, 1 

 undulatus ... 432; XLV, 5 



urceolus ... 470; XLVIII, 1 



variabilis ... 374; XXXVII, 5 

 varians ... 395; XXXIX, 6 



— var. pumilus 



396 ; XXXIX, 7 

 vomerinus ... ...409; XLI, 1 



var. basilicus 



411; XLI, 2 



— var. crenulatus 



412 ; XLI, 4 



— var. gracilis, 411; XLI, 3 

 vulgaris ... 378; XXXVII, 10 



var. curtus 



379 ; XXXVII, 11 



Neina ... 

 Nemagraptidae 

 Nemagraptus ... 



capillaris 



Neurograptus 



fibratus 

 — margaritatus 



Nymphograptus 



velatus 



6 

 103 

 125 

 112 

 descendens ... ... 132 



elegans 126, 127 



explanatus ... 133; XIX, 6 



— var. pertenuis 



134; XIX, 7 



gracilis ... 127; XIX, 1 



var. nitidulus 131 ; XIX, 4 



— var. remotus 130 ; XIX, 3 



— var. surcularis 129 ; XIX, 2 



331 



331 ; XXXIV, 5 

 332 ; XXXIV, 6 



329 



329 ; XXXIV, 4 



Obverse ... ... ... ... ... 6 



" Ortlioceratites " tenuis ... ... ... 184 



Ortliograptus 220, 222, 290 



— basilicus ... ... ... 243 



bellulus ...220, 231 ; XXIX, 2 



— calcaratus . . . 220, 239 ; XXX, 1 



var. acutus 



220, 242 ; XXX, 3 



— var. basilicus 



220, 243 ; XXX, 2 



Ortliograptus calcaratus var. prisms 



220, 244 ; XXX, 6 



— var. tenuicornis 



243; XXX, 4 



— var. vulgatus 



220, 241 ; XXX, 5 

 cyperoides 220,238 



— iusectiformis, 220, 228 ; XXVIII, 7 

 mutabilis ...220, 232 ; XXIX, 1 

 Pageanus 220, 225 ; XXVIII, 3 



— — var. abuormispiuosus 



220, 226 ; XXVIII, 5 



— var. micracanthus 



220, 226 ; XXVIII, 4 



— quadrimucronatus 



220, 223 ; XXVIII, 1 



— — var. spiuigerus 



220,225; XXVIII, 2 



— rugosus ... 220, 245; XXX, 7 



— — var. apiculatus 



220, 245 ; XXX, 7 



— truncatus .. 220, 233; XXIX, 3 



— — var. abbreviatus 



220, 235; XXIX, 6 



— — var. intermedius 



220, 236 ; XXIX, 4 



— var. pauperatus 



220, 237 ; XXIX, 5 



— var. socialis 



220, 2:57 ; XXIX, 7 

 vesiculosus 220, 229 ; XXVIII, 8 



— — var. peuna 



220, 231 ; XXVIII, 9 

 Whitfieldi 220, 227 ; XXVIII, 6 



Parkes-Lapworth Microscope ... .. 3 



Petalograptus 221, 273, 294 



— altissimus 222, 281 ; XXXII, 7 



— folium... 221, 282 ; XXXII, 8 

 minor ... 222, 279; XXXII. 5 



— ovatus 278; XXXII, 6 



palmeus 322,274; XXXII, 1 



— var. lata 



922, 275 ; XXXII, 2 



— var. ovato-elongatus 



222, 277 ; XXXII, 4 



— var. tenuis 



222,276; XXXII, 3 



— (?) phylloides 222, 284; XXXII, 16 



