SYSTEMATIC INDEX. 



Order III. PLECTOGNATHI. 



Fam. I. Diodontidae. 



ORTHAGORISCUS. Mola, Short Sun-fish. 



Sub-class II. PISCES CHOXDROPTERYGII. 



Sub-order I. ELEUTHEROPOMI. 



Fam. I. Acipenserida 1 . 



ACIPEXSER. Sturio, S'urycon. 



Sub-order II. TREMATOPXEI. 



Sub-section I. SQUALL 



Fam. I. Scyllklw. 



SCYLLIUM. Canicula, Little Spotted Dog-fish. 



Fam. II. Squalidse. 



SQI'ALUS. Carcharlas, White SJiark. 

 SPIIYRNIAS. Zvgfena, Hammer-headed Shark. 



Sub-section II. RAIL 



Fam. I. Pristida\ 



PRISTIS. Antiquorum, Sawfish. 



Fam. II. Raldsc. 



TORPEDO. Scutata, Torjx-d". 

 HAIA. Clavata, Thornback Sk>it>\ 



Sub-order III. CYCLOSTOMI. 

 Fam. I. PetromyzonTdcT. 



PETROMYZOX. Marlnus, Lamprey. 

 LAMPETRA. Fluviatilis, Lampern. 

 MYXINE. Glutinosa, Myxinc. 



Division II. INVERTEBRATA. 



Class VI. MOLLUSCA. 

 Order CEPHALOPODA. 



Fam. Octopida?. 



Ocjoprs. Yulgfiris, Cuttle-fish, 

 ARGOXAUTA. Argo, Nautilus. 



Order GASTEROPODA. 

 Sub-order PULMOBRAXCIIIATA. 



Fam. Limacida 1 . 



LIMAX. Ater, Black Slug. 



Fam. Helicida?. 



HELIX. Aspersa, Snail. 



Fam. Turbinidse. 



SCALAF.I.A. Pretiosa. Royal Staircase Wcnllctrop. 



