30. CENTR0PH0RU8. 419 



«,/. Foetus. Dungencss. Collected by Dr. Cunuinghara. 



g-h. Foetus. Ireland. Presented b}' the Earl of Enniskillen. 



i. Adult. Dalniatia. 



k-l. Young. Mediterranean. 



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



s-M. Adult : stuffed. New Holland. Presented bj- General Hard- 



wickc. 

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

 «'. Young: skin. From Gronow's Collection, 

 .r. Foetus. Presented by Commander Knocker. 

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



Lidth de Jeude. 



2. Acanthias blainvillii. 



Acanthias blainvillei, liigxo, Eur. Me'rid. iii. p. 1.3.3, pi. .3. fig. G; 



3MI. fy Henle, p. 84 ; I)iun6ril, Elastnobr. p. 438 ; Bocage ^- Ca- 



pel/o, Peix. Plar/iost. p. 21. 

 Spinax blainvillii, Bonap. Faun. Ital. Pesc. ; Agass. Poiss. Foss. iii. 



p. G2, tab. B. 



Scarcely distinct from A. vulgaris. 



Origin of the dorsal tin 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 Rev. R. T. Lowe. 



h, e. Adult and young. Adriatic. 



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



e-g. Adult: stuffed. Cape of Good Hojie. 



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



t-A-. Adult. New Holland. From the Haslar Collection. 



/, m. Half-grown and foetus. 



3. Acanthias uyatus. 



Squalus ( Acantliorhinus) infemus, Bhiinv. Faun. Fr. p. 59 (not fig.). 



Spinax uyatus, {Ba/inesque) Bonap. Faun. Ital. Pe.'ic. 



Acanthias uyatus, Mull. &• Ilenk, 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, Mull. ^- Ilenlc. 



Centrophorus, Centroscymnus ef Sryninnrlon. Booagp S,- Capello. 

 Machcphilus, Johnmn. 

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

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



♦ In stuffed examplps thp altererl. Rlirunkpn conrlilion of the jM^rtoral fin is to 

 be taken into consideration. 



2 E 2 



