5 'KNDEAVOUK" SCIENTIFIC RESULTS, 



The following key will serve to distinguish the ff>ur species 

 of Scyliorhiuus hitherto recorded from Australia: — 



a. Nasal \alves 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 hns of males not directly in con- 

 tact behind the claspers but with an intermediate 

 integument: — cnialis. 



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

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

 claspers : — vincenti. 



bb. Labial fold extending along the lower jaw nearly to the 

 symphysis. 



d. Bodv with scattered darker spots: ))uicitlatuni^ 



aa. Nasal \al\es overlapping the edge of the upper lip. 



e. Body with darker spots, sometimes confluent 

 into cross bands or ocelli: — marmoraius^ 



Genus Cephaloscvuuium, (lill. 



C'ePUAI.OSCVI.I.IUM us a BELLA, B( iinui t i' m' . 



Sii't'll Shark, Carpet Shark. 



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

 (non binomial). 



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

 p. 6. 



Squalus {i)sabelhi, (inieiin, Linn. Syst. Xat., ijS*), p. 1489, 



Scvlliutu hiliccps, Dumeril, Rev. et Mag. Zool., 1853, p. 84, 

 pi. iii., fig. 2. 



Cephaloscylliuni hiticeps, W'aite, Rec. Cantb. Mus., i., No. 

 2, 1909, p. t)., pi. xi\. , fig. I, and pi. xxi., fig. i. 



CephaloscylUum sabella, Waite, 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. 



