[NDBX. 



529 



Dicranograptidse 



Dicranograptus 



brevicaulis . . 



celticus 



Clingani 



cyathiformis 



formosus 



f urcatus 



... 135 



164 



168 ; XXIV, 3 

 170 ; XXIV, 5 

 165; XXIV, 1 

 174; XXV, 2 

 154, 168 

 179 



— var. minimus 



179; XXV, 4 

 Nicholsoni ... 171; XXV, 1 



ramosus ... 175; XXIV, 6 



var. longieaulis 



177; XXIV, 7 



— var. spinifer 



176; XXIV, 8 

 rectus ... 169; XXIV, 4 



sextans ... ... ... 153 



spinifer ... ... ... 176 



tardiusculus... 167; XXIV, 2 



— ziczac ... 177; XXV, 3 



— — var. minimus ... 179 

 Didymograptus ... ... ... ... 5 



acutidens ... ... 25 ; II, 3 



affinis 23,25; II, 1 



am plus ... ... 44; IV, 3 



aueeps ... ... ... 141 



artus 48 ; IV, 6 



bifidus 6,42; IV, 1 



— bryonoides ... ... 65 



caduceus ... ... 52, 65 



deflexus 35; II, 12 



divaricatus ... ... ... 143 



— elegaus ... ... 155, 159 



extensus ... ... 8 ; I, 1 



euodus 21 ; I, 10 



f asciculatus ... 50 ; II, 8 



filiformis 32 



flaccidus ... ... 106, 155 



Forchammeri ... ... 150 



fruticosus ... ... ... 62 



furcillatus ... ... ... 40 



geminus ... ... 45, 47 



gibberulus ... ... 52 ; II, 9 



gracilis ... ... 24; II, 2 



Headi 59 



hirundo ... ... 15 ; I, 5 



indentus ... 45, 49 ■ IV, 4 



indentus var. minus ... 47 



Didymograptus moffatensis ... ... 157 



Murchisoni... ... 37; III, 1 



var. geminus 



40 ; III, 2 



— nanus ... ... 47 ; IV, 5 



Nicholsoni 27 ; II, 4 



— var. planus 



29 ; II, 5 



— nitidus 10, 30; I, 2 



— patulus .. ...13, 15; I, 8 

 pennatulus ... 18 ; I, 7 



— quadribrachiatus ... ... 57 



serratulus . . . 27, 29 ; II, 7 



— sextans . .. ... ... 153 



simulans ... ... 30 ; II, 6 



— sparsus ... ... 17 ; I, 6 



— stabilis 49; IV, 2 



— superstes ... ... 19 ; I, 9 



uniformis ... ... 12 ; I, 3, 4 



— v-fractus 33 ; II, 10 



— var. volucer 



35; II, 11 

 Dimorphograptidae ... ... ... ... 347 



Dimorphograptus ... ... ... 348 



confertus 349 ; XXXV, 3 



— var. Swaustoni 



350 ; XXXV, 4 

 decussatus 352 ; XXXV, 5 



— var. partiliter 



353; XXXV, 6 

 elougatus... 357; XXXV, 11 

 erectus ... 355; XXXV, 9 

 longissimus 354 ; XXXV, 8 



— extenuatus 358 ; XXXV, 10 

 physophora 353 ; XXXV, 7 

 Swanstoni ... ... 350 



— — var. Kurcbi... 349 

 Diplograptidse ... ... ... ••• 181 



Diplograptus ... ... ... ... ... 217 



aculeatus ... ... ... 223 



acuminatus . .. 289; XXXII, 11 



— antennarius ... ... ... 300 



appendiculatus ... ... 255 



arctus 271 ; XXXI, 16 



bellulus 231 ; XXIX, 2 



— bimucronatus ... ... 323 



— ■ calcaratus . . . 239 ; XXX, 1 



— ccelatus ... 270; XXXI, 17 

 cometa ... ... ••• 285 



