SPONDYLUS. 



aculeatus, Chemnllz 



affiuis, Reeve 



albibarbatus, Reeve 

 alhidus, Broderip . . 

 Amcricanus, Lamarck 

 arachuoides, Lamarck 

 aspirrimus, Sowerby 

 aui'antius, Lamarck 

 amcidaris, Lamarck 

 barbatus, Reeve . . . 

 basilieus, Reeve . . . 

 Butleri, Reeve .... 

 camurus, Reeve . . . 

 caudidus, Lamarck 



castus, Reeve 



ciliatus, Broderip . . 

 cocciueus, Lamarck 

 crassisquamatus, Lam; 

 croceus, Cliemnit: 

 Cumingii, Sowerhy 

 cuneus, Reeve . . . 

 Delemertll, Chenu 

 digitatus, Sowerby 

 ihdn.H^, Bi-oderip . 

 ducalis, CJiemnitz . 

 electrum. Reeve . . 

 erinaceus, Reeve . 

 flabellura, Reeve . . 

 foliaceus, Chemnitz 

 I'ragilis, Sowerby . 

 fragum, Reeve . . . 

 gilvus. Reeve .... 

 Gussoui, Costa . . . 

 gffidaropus, Linncevs 

 //erinaceus, Chenu 

 liystris, Reeve . . . 

 ictericus. Reeve . . 

 imbutus, Reeve . 

 imperialis, Chenu 

 Lamarckii, Chemi 

 Layardi, Reeve . . 

 leucacantba, Broderip 



xvn. 



XVIL 



IX. 



L 



IV. 



IV. 



XII. 



III. 



IV. 



IV 



XI. 



IV. 



X. 



VL 



XIII. 



I. 



XIL 



VI. 



V. 



X. 



XV. 



I. 



XVIII. 



VI. 



VII. 



XV. 



XL 



VI. 



VII. 



XIIL 



XVII. 



XI. 



I. 



in. 



VIII 



XII. 



XL 



XV. 



VIIL 



VIII. 



XVIII. 



IL 



Plate 



limbatus, Sotcerhy IX. 



lingua-felis, Sowerby . VII. 



lonyispina, Lamarck IV. 



longitudiualis, Lamarck XIIL 



microlepos, Lamarck XVIIL 



minimus, Chemnitz I. 



midtilamellatus, Clienu XIIL 



mnltilamellatus, Lamarck .... VII. 



multimuricatus, Reeve IV. 



multisetosus, Reeve III. 



muricatns, Chemnitz II. 



mus, Reeve III. 



Nicobaricus, Chemnitz XIV. 



nudus, Chemnitz I. 



nus, Reeve XVIIL 



oceUatus, Reeve XII. 



Pacificus, Reeve . I. 



PetroseUnum, Sowerby VII. 



pictor\im, Cliemnitz VI. 



plurispiuosus, Reeve V. 



princeps, Broderip II. 



radula, Reeve XIV. 



ramosus, Reeve XIV. 



regius, Linnmis V. 



rubicundus, Reeve XVIL 



setiger, Reeve XV. 



Sinensis, Sowerby II. 



spatagus, Chemnitz VII. 



spathdiferus, Lamarck VII. 



spectrum, Reeve XIV. 



tenebrosus, Reeve IX. 



tenellus. Reeve XVIIL 



tenuispinosus, Soioerby VI. 



unicolor, Sowerby X. 



ustulatus. Reeve XVI. 



varians, Sowerby I. 



variegatus, Cliemnitz II. 



vexillum. Reeve XVI. 



violaceus, Reeve X'V I. 



virgincus, Reeve IX. 



zonalis, Chenu VIII. 



