30. CENTROPHORUS. 419 



e, f. Foetus. Dungeness. Collected by Dr. Cunningham. 



g-h. Foetus. Ireland. Presented by the Earl of Enniskillen. 



?'. Adult, Dalmatia. 



k-l. Young. Mediterranean. 



m-r. Adult (3 feet) and half-grown : stuffed. Cape seas. 



s-u. Adult : stuffed. New Holland. Presented by General Hard- 



wicke. 

 V. Young. Australia. Presented by Sir J. llichardson. 

 vj. Young: skin. From Gronow's Collection. 

 X. Foetus. Presented by Commander Knocker. 

 y. Jaws of an adult example. From the Collection of Dr. van 



Lidth de Jeude. 



2. Acanthias blainvillii. 



Acanthias blainvillei, Risso, Eur. Merid. iii. p. 133, pi. 3. fig. G ; 



Midi. (5" Hode, p. 84 ; Uiinierd, Elasmohr. p. 438 ; Bocage ^- Ca- 



pello, Peir, Plaf/iost. p. 21. 

 Spinax blainvillii, Bonap. Fo'tn. Ital. Pcsc. ; Agass. Poiss. Foss. iii. 



p. G2, tab. B. 



Scarcely distinct from A. vulgaris. 



Origin of the dorsal fin conspicuously in advance of the inner 

 posterior angle of the pectoral*. Dorsal spines without groove. 

 Upper lobe of the caudal fin without notch. Snout produced. 



Temperate seas of the northern and southern hemispheres. 



a. Adult. Lisbon. Presented by the Kcv. R. T. Lowe. 



h, c. Adult and young. Adriatic. 



d. Adult. Nice. From Dr. Deakin's Collection. 



e-g. Adult : stufted. Cape of Good Hope. 



h. Young. Cape of Good Hope. Presented by Sir A. Smith. 



i-k. Adult. New Holland. From the Haslar Collection. 



/, TO. Half-grown and foetus. 



3. Acanthias uyatus. 



Squalus (Acanthorhinus) infernus, Blainv. Faun. Fr. p. 59 (not fig.). 



Spinax uyatus, (Hq/inesque) Bonnp. Faun. Ital. Pesc. 



Acanthias uyatus, Midi. ^- Hetde, p. 85 ; Dumeril, Elasmohr. p. 439. 



Dorsal spines with a longitudinal groove on each side. Upper 

 lobe of the caudal fin with a notch on its lower margin near the 

 extremity of the fin. 



Mediterranean. 



30. CENTROPHORUS. 



Centrophorus, Midi. ^ Ilenlc. 



Centrophorus, Centroscymnus et Scj'mnodon, Bocage tV CapeUo. 



Machephilus, Johnson. 



Two dorsal fins, each with a spine, which is sometimes hidden 

 below the skin ; no anal fin. Trunk elongate, without lateral folds. 



* In stuffed examples the altererl, Rlirunken ronrlition of the pectoral fin i.s to 

 be taken into consideration. 



2 E 2 



