30. CENTROrrioRus. 421 



(■without the spine) is two-thirds of that of the first (without the 

 spine) ; and the Icngtli of the hase of the first (without the spine) 

 is one-third of the distance between the two fins. Extremity of the 

 ventral fins below the second dorsal spine. Scales ratlier smooth 

 in adult examples, without median keel, ribbed in front. Young 

 examples rough. Uniform brown ; young examples with the ex- 

 tremities of the fins white. 



Mediterranean and neighbouring parts of the Atlantic. 



a, h-r. Female (38 inches) and young. Madeira. Presented by J. 



Y. Johnson, Esq. 

 d. Half-grown. Mediterranean. Purchased of Mr. Cutter. 



A foetus, which has been provided M'ith a name by Dr. Blocker 

 (CentrojjJiorus moluccensis, Act. Soe. Sc. Indo-Nccrl. viii. Amboyna, 

 xi. p. 3), proves that this genus is represented also in the East 

 Indies. No distinctive characters can be given from a single unde- 

 veloped example which is not in good condition. 



n. Type of Ceutrophorus moluccensis, Blkr. Amboyna. 



2. Centrophorus lusitanicus. 



Centrophorus lusitaniciis, Bocai/e ^- Capcl/o, Proc. Zool. Soc. 1864, 



p. 2r.o, fig. 1. 

 granulosus, Bociujc ^ CapcUo, Peix. Pla(jiust. p. 25 (descript. 



pars), and tab. 1. lig. .'J. 



Very similar to C. f/rannlosus, but with the base of the first dorsal 

 fin much longer, &c. 



'Die labial fold extends a little way along the margins of the 

 mouth. The distance between the nostrils is rather more than one- 

 third of the length of the praeoral portion of the snout. Teeth 

 without serraturc. The lower angle of the pectoral fin is produced 

 into a tapering lobe. The length of the base of the second dorsal 

 (without the spine) is one-half of that of the first (without the 

 spine), and the length of the base of the first (without the spine) is 

 one-half of the distance between the two fins. Extremity of tlie 

 ventral fins below the hind part of the second dorsal fin. Scales 

 rather smooth, without median keel, finel}^ striated. Uniform 

 brownish. 



Coast of Portugal. 



Of. Male, 29 inches long. Lisbon. Presented by Prof. J. V. B. 

 du Bocage. 



3. Centrophorus crepidater. 



Bocaye ^- Capello, Proc. Zuui. >Soc. ly()4, p. 2()2, tig. .'?, and I'ei.r. 

 Playiost. p. 27, tab. 2. fig. 2. 



Lahial groove prolonged forwards, nearly meeting in ffic mediati 

 line of the snout. Upper teeth very small, narrow lanceolate. The 

 distance between the nostrils is about two-filths of the length of the 

 pncoral portion of the snout. Lower angle of the 2>ectoral rounded, 

 not produced. Dorsal fins short, nearly e(jua] in length ; the length 



