INDEX TO THE GENERA 1 AND SPECIES OE THE LIASSIC 

 AMMONITES DESCRIBED IN THIS MONOGRAPH. 



Aegoceras, Waagen .... 



,, acuticostatum, Wright, pi. xxxv, figs. 1 — 3,7 



,, angulatum, Schlotheim, pi. xiv, figs. 5, 6 

 „ „ var. Moreana, d'Orbigny, pi. xvii, figs. 1 — 6 



„ armatum, Sowerby, pi. xxviii, figs. 1 — 6 ; pi. xxix 



,, Bechei, Sowerby, pi. xli, figs. 1 — 5 . 



,, Belcheri, Simpson, pi. xv, figs. 7 — 9 ; pi. xix, figs. 1, 2 



„ biferum, Quenstedt, pi. xxvi, figs. 1 — 4 



„ Birchii, Sowerby, pis. xxiii, xxxii, figs. 5 — 8 . 



„ Boucaultianum, d'Orbigny, pi. xviii, figs. 1 — 4 



„ brevispina, Sowerby, pi. xxxii, figs. 2 — 4; pi. 1, figs. 13, 14 



„ capricornus, 2 Schlotheim, pi. xxxiv, figs. 1 — 8 



,, Carusense, d'Orbigny, pi. 1, figs. 9, 10 



„ catenatum, Sowerby, pi. xix, figs. 5 — 7 



„ Charmassei, d'Orbigny, pi. xx, figs. 1 — 3 



,, curvicorne, Schlonbach, pi. xxxi, figs. 3, 4 



,, Davcei, Sowerby, pi. xxxi, figs. 1,2 



,, densinodum, Quenstedt, pi. xxxviii, figs. 5, 6; pi. xxxix, figs. 6 — 1 



„ gagateum, Young and Bird, pi. xxxvii, figs. 8, 9 



„ Henleyi, Sowerby, pi. xxxiii, figs. 1 — 3 



„ heterogenum, Young and Bird, pi. xxxv, figs. 4—6 ; pi. xxxvi, fig 



„ intermedium, Portlock, pi. xv, figs. 3 — 6 



,, Jamesoni, Sowerby, pi. xi, figs. 4 — 6; pi. li, figs. 1 — 6 



,, Johnstonii, Sowerby, pi. xix, figs. 3, 4 



„ lacunatum, BucJcman, pi. Ivi, figs. 16 — 18 



„ laqueolus, 3 Schloenbach, pi. xv, figs. I, 2, 10 — 12 ; pi. xvi, figs. 1, 



„ laticosta, Sowerby, pi. xxxii, fig. 1 . 



„ Leckenbyi, Wright, pi. xxx, figs. 1 — 7 



,, Maugenesti, d'Orbigny, pi. xxxvii, figs. 1, 2 



„ Milleri, Wright, pi. xxxvii, figs. 10, 11 



„ Moreanum, d'Orbigny, pi. xvii, figs. 1 — G 



0; pl.l.fi 



1—4 



2; pi. xli 



gs. 11,12 



, ng. 1 



PAGE 



307—382 

 . 371 

 . 318 

 . 322 

 . 340 

 . 380 

 . 313 

 , 333 

 . 332 

 . 327 

 . 361 

 . 368 

 . 373 

 . 320 

 . 323 

 . 377 

 . 346 

 350 

 364 

 366 

 370 

 314 

 352 

 311 

 330 

 315 

 365 

 344 

 359 

 344 

 322 



1 The synonyms are printed in italics. 



2 Named on the plate Aegoceras macula turn in error. 



3 Termed Aegoceras Liassicum on pis. xv, figs. I, 2, and xvi, and Aegoceras tortile on pi. xv, 

 figs. 10—12. 



