﻿5 'ENDEAVOUR" SCIENTIFIC RESULTS. 



The following key will serve to distinguish the four species 

 of Scyliorhiuiis hitherto recorded from Australia: — 



a. Nasal valves separated from each other and from the 

 mouth. 



b. Labial fold extending along the lower jaw half or less 

 than half the distance to the symphysis. 



c. Body lighter with brown spots and sometimes cross- 

 bands. X'entral fins of males not directly in con- 

 tact behind the claspers but with an intermediate 

 integument : — auaUs. 



cc. Body darker, with white spots and obscure cross- 

 bands. \'entral fins of males in contact behind the 

 ' claspers :— vincenti. 



?)?). Labial fold extending along the lower jaw nearly to the 

 symphysis. 



d. Body with scattered darker spots: — maculaiiim. 



aa. Nasal valves overlapping the edge of the upper lip. 



e. Body with darker spots, sometimes confluent 

 into cross bands or ocelli: — nnirninnttus. 



Genl;s Cei'haloscvli.ium, (tiU. 



CePHAI.OSCVI.I.K'M ISABELLA, Bi>}UUll CYVe. 



Sivell Shark, Carpet Shark. 



L'Isabelle, Broussonet, Mem. Acad. Sci. Paris, 1780, p. 648 

 (non binomial). 



Squalus isabella, Bonnaterre, Encvcl. Meth., Ichth., 1788,, 

 p. 6. 



SquaJiis {i)sabeUa, (imelin, Linn. Syst. Nat., i78(), p. 1489, 



ScyUiuDi htticeps, Dumeril, Rev. et Mag. Zool., 1853, p. 84,, 

 pi. iii., fig. 2. 



Cepluiloscylliuiti laticeps, Waite, Rec. Cantb. Mus., i., No. 

 2, Hjoc), p. 6., pi. xi\-., fig. I, and pi. xxi., fig. i. 



Cephaloscy Ilium sabella, VVaite, Trans. N. Zeal. Inst., xlii., 

 1910, p. 384. 



A small example is in the collection which was trawled off 

 the east coast of Flinders Island, Bass Strait. 



