INDEX TO GENERA AND SPECIES. 



489 



Ammonites, Jamesoni, Sowerby ; see Aegoceras Jamesoni . 



,, „ angustus, Quenstedt ; see Aegoceras Jamesoni 



,, ,, latus, Quenstedt ; see Aegoceras Jamesoni 



„ Johnstonii, Sowerby j see Aegoceras Johnstonii 



,, Jurensis, Zieten ; see Lytoceras jurense 



„ kridion, Hebl ; see Arietites semicostatus 



„ lacunatus, Buckman ; see Aegoceras lacunatum 



„ lamellosus, d'Orbigny ; see Aegoceras Taylori . 



„ laqueolus, Scblbenbach ; see Aegoceras laqueolus 



„ laticosta, Quenstedt ; see Aegoceras brevispina 



„ ,, Sowerby ; see Aegoceras laticosta . 



„ laxicosta, Lamarck ; see Aegoceras planicosta 



„ Leckenbyi, Lycett ; see Lytoceras hircinum 



„ Levisoni, Simpson ; see Harpoceras Levisoni . 



„ liassicus, d'Orbigny ; see Aegoceras laqueolus 



„ lineatus, Oppel ; see Lytoceras fimbriatum 



,, ,, Schlotbeim ; see Harpoceras striatulum 



„ ,, Schlotheim; see Lytoceras lineatum 



,, „ v&r. fimbriatus, Quenstedt ; see Lytoceras fimbriatum 



„ polymorphus lineatus, Quenstedt ; see Aegoceras polymorpbum 



„ Loscombi, Sowerby ; see Phylloceras Loscombi 



„ Lythensis, Young and Bird ; see Harpoceras Lythense . 



,, Macdonellii, Portlock ; see Arietites nodotianus 



„ maculatus, Young and Bird ; see Aegoceras capricornus 



„ ,, angulatus, Wagener ; see Aegoceras curvicorne 



,, maeandrusl Zieten; see Amaltheus oxynotus 



„ Maugenesti, d'Orbigny ; see Aegoceras Maugenesti 



„ miles, Simpson ; see Aegoceras armatum 



,, multicostatus, Sowerby ; see Arietites bisulcatus 



„ Moorei, Lycett ; see Harpoceras Aalense 



„ Moreanum, d'Orbigny ; see Aegoceras Moreanum 



,, Mulgravius, Young and Bird ; see Harpoceras serpentinum 



matrix, Roemer ; see Arietites semicostatus 

 „ „ Schlotheim ; see Arietites Conybeari . 



„ ,, Zieten ; see Aegoceras brevispina 



,, „ oblongus, Quenstedt ; see Aegoceras submuticum 



„ ,, rotundus, Quenstedt ; see Aegoceras brevispina . 



,, nautilites, Baier ; see Phylloceras heteropbyllum 



„ neglectus, Simpson ; see Aegoceras gagateum . 



„ nitescens, Young and Bird ; see Harpoceras nitescens 



„ nitidus, Young and Bird ; see Lytoceras cornucopia 



,, nodosaries, Wagener ; see Arietites semicostatus 



,, nodotianus, d'Orbigny ; see Arietites nodotianus 



„ nodu/osus, Buckman ; see Arietites Conybeari 

 „ Normanianus, d'Orbigny ; see Harpoceras Normanum . 



,, ,, Oppel ; see Harpoceras nitescens 



„ obliquatus, Young and Bird ; see Harpoceras variabile . 



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352 



352 



311 



413 



284 



330 



348 



315 



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365 



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438 



315 



407 



451 



409 



407 



376 



419 



444 



300 



368 



377 



387 



359 



340 



275 



4.58 



322 



433 



284 



272 



361 



338 



361 



424 



364 



432 



410 



284 



300 



272 



470 



432 



455 



63 



