5o6 
INDEX. 
Ammonites from Drift, 433 
Hessle, 189 
Inferior Oolites, 239, 388 
Jurassic, 262, 361 
Kellawavs Rock, 456 
Lias, 103, 156, 160, 172, 
181, 187, 201, 267, 274 
Lias and Oolites, 97 
Lias (Distribution), 127 
Lias, Monograph, 166, 177 
,, Monograph, 64, 229 
Oolites, 203, 221, 229 
,, Scarborough Limestone, 
448 
Speeton, 378, 389 
Type, 448 
Ammonites aculeatus, 458 
,, acuticari-.iatus, 437 
,, alter natus, 408 
andraei, 448 
,, anguiformis, 448 
,, annuliferus, 448 
,, arctus, 437 
,, atkleticus, 448 
aureolus, 436, 468 
aureus, 408 
birdi, 436 
boulbiensis, 408 
,, braikenridgii, 457, 458 
,, cereus, 448 
,, communis, 88 
,, compactilis, 437 
,, cornuius, 437 
crassiusculosus, 448 
,, aassoides, 458 
,, crassulosus, 448 
„ crosbeyi, 448 
defossus, 458 
,, dennyi, 408 
denotatum, 448 
,, depressus, 436 
elegantulus, 465, 468 
exaratus, 408 
fabricatus, 437 
,, fasciatus, 458 
„ figulinus, 436 
,, / lav us, 448 
,, fonticulus, 448 
,, foveatus, 458 
,, gagateus, 458 
,, gracilis, 468 
, ; gubernator, 458 
hastatus, 468 
,, heptangularis, 468 
,, heterogenes, 448 
heterophyllus (Whitby), 120 
hyperbolicus, 468 
integricostatus, 448 
,, latescens, 458 
,, lectus, 437 
Lias 475 
Ammonites limatus, 448 
,, luridis, 458 
,, maculatus, 448 
miles, 437 
mulgravius, 408 
mutatus, 468 
,, natidus, 458 
,, nautili) 'or -mis, 437 
,, nitescens, 458 
,, nitidus, 458 
,, obsoletus, 468 
omissus, 436 
,, ovatulus, 468- 
,, owenensis, 448 
perarmatus, 448 
perigrinus, 458 
phillipsi, 458 
,, pinguis, 458 
polyophyllus, 408, 422 
,, puteolus, 448 
,, quadricornutus, 437 
., radiatus, 437 
,, regularis, 458 
,, resupinatus, 408 
reticularis, 408 
,, retusus, 458 
ripleyi, 408 
,, scoresbyi, 437 
,, semicelatus, 437 
,, serpentinus, 420 
., simpsoni, 448 
,, sinuatus, 468 
,, siphuncularis, 448 
socialis, 468 
,, solitarias, 448 
,, spicatus, 468 
,, subconcavus, 408 
,, subtensis, 468 
„ subtriangularis, 458 
,, sulcatus, 437 
tenellus, 448 
,, transformatus, 458 
,, trivialis, 448 
,, turriculatus, 436 
validis, 458 
,, vermis, 458 
,, vortex, 436 
vorticellus, 458 
whitbiense, 437 
Ammonoidea, 293 
Amotherby, Map, 486 
Amphibia,' fossil, 216, 234 
Amphibian remains, Yaredale, 135, 136 
Ampleforth, Map, 495 
Analyses of Barnsiey Coal, 269 
Ben Rhvdding Water, 92 
Bones, 68 
Bradford Water, 171 
Building Stones, 127 
Chalk, 150 
C eveland Dyke, 395, 404 
