INDEX TO GRAPTOLITES OF NEW YORK, PART 2 



567 



Dicranograptus ramosus, var. spinifer, 330. 

 var. spinosus, 29. 

 ramulus, 324. 

 rectus, 1 12, 134. 

 sextans, 134, 306, 307. 

 spinifer, 14, 33, 34, 49, 112, 129, 134, 

 316, 317, 321J. 330-32, 334. 

 explanation of plates, 532, 534. 

 figures, 33 t. 

 var. geniculatus, 14, 23, 49, 112, 129, 



134, 3 X 7- 3 2 9> 332, 333-34- 

 explanation of plate, 534. 

 figures, 333. 

 tardiusculus ( ?), 29. 

 whitianus, 321. 

 zic-zac, 26, 112, 336, 338. 

 var. minimus, 26, 323. 

 Dictyograptus, 229. 



reticulatus, 151. 

 Dictyonema, 22, 66, 69, JJ, 127, 131, 150- 

 72, 163, 173, 178, 181, 186, 196, 198, 

 209, 213, 229, facing p. 66. 



SP; 30. 



actinotum, 131, 169. 



arbnscula, 33, 39, 48, 127, 131, 151-53. 



figures, 152. 

 areyi, 52, 55, 56, 127, 131, 164-65. 



explanation of plate, 496. 



figure, 164. 

 blairi, 59, 127, 131, 171-72. 



explanation of plate, 494. 



figures, 172. 

 cadens, 180. 

 canadensis, 28, 131. 

 cavernosum, 147, 175. 

 cervicorne, 147. 

 crassibasale, 168. 

 crassum, 58, 127, 131, 165-67, 180. 



explanation of plate, 498. 



figure, 165. 

 delicatulum, 131. 

 expansum, 56, 131, 157. 

 fenestratum, 58, 127, 13 1, 168, 169. 



Dictyonema fenestratum, figures, 169. 

 flabelliforme, 131, 132. 

 zone, facing p. 9, 66. 



var. acadicum, 131. 



var. confertum, 13T. 



var. norvegicum, 131. 

 furcifernm, 131, 151, 175. 

 gracile, 52, 55, 56, 127, 131, 155, 157-58, 

 162, 169, 171, 202. 

 explanation of plate, 490. 

 figures, 158. 



filiramus, 179. 

 grande, 131, 157. 



bamiltoniae, 58, 127, 166, 167, 169-71, 

 181. 



explanation of plate, 496. 



figure, 170. 

 cf. homfrayi, 131. 

 irregulare, 131, 151. 

 leroyense, 58, 127, 131. 167-68. 



explanation of plate, 494. 

 megadictyon, 58, 127, 131, 167, 168. 



explanation of plate, 498. 

 murrayi, 131. 



neenab, 28, 48, 127, 13T, 150. 

 obovatum, 23, 48, 127, 131, 151. 

 peltatum, 175. 

 perexile, 131. 

 pergracile, 56, 13 t, 179. 

 perradiatum, 58, 127, 131, T67, 168-69, 



explanation of plate, 496. 

 pertenue, 52, 53, 127, 131, I53 . 



figures, 153. 

 polymorpbum, 52, 55, 127, 131, 158-62, 

 164, 167, 202. 



explanation of plates, 492, 494. 



figures, 160. 

 quadrangulare, 131. 

 rectilineatum, 131. 



retiforme, 52, 55, 127, 131, 154, 155-57, 

 162, 165, 166, 202. 



explanation of plate, 494. 



figure, 156. 



