422 sriNACiD^. 



of tlic base of the first (without the spine) is los.s than one-third of 

 the distance between the two fins. Extremity of the ventral below 

 t^ie end of the second dorsal. Scales i)edunculate, wath five or six 

 ribs each. Blackish brown, spotted with darker. 



Coast of Portugal ; Madeira. 

 a. Fine female specimen, 31 inches long. Madeira. Presented by 

 J. Y. Johnson, Esq. 



4. Centrophorus squamosus. 



L'Ecailleux, Bnntss. Mem. Ac. Sc. 17H0, p. 075; Jmc^-j). i. p. 2b4. 

 ISquahis squamosus, Giii. L. i. p. 1501i ; Jil. Sc/ui. p. ]o(j. 

 Acanthorhiuus squamosus, Ji/ainv. jVoi/v. JJtill. Sc. 1810, p. 121. 

 Ceuti'uphoinis squamosus, 3Iii//. <y ILn/c, p. i*0. pi. PA; liocoffc, Proc. 



Zuol. Soc. 1804, p. 200 ; Diuix'n'/, Ehistxohr. p. 448; Uocai/e^- Ca- 



pcllo, Pcix. Playiost. p. 27, with iigs. of scales. 



The labial fold extends a little way along the margin of the upper 

 jaw^ hut not along that of the lower. Teeth ^^, the upper inclined 

 outwards, with a notch on the outer side of the base, but not on the 

 inner; no mcd'utn tooth in the loivcr Jaw. The distance between the 

 nostrils is about one-third of the length of the prieoral portion of 

 the snout. Lower angle of the pectoral fin very slightly produced. 

 The length of the base of the second dorsal fin (without tlie spine) is 

 two-thirds that of tlie fiist (without the spine) ; and the length of 

 the base of the first (without the spine) is about one-third of the 

 distance lietween the two fins. Extn^mity of the ventral fins below 

 the middle of the second dorsal fin. The scaJci are leaf -shaped, icifh 

 a Rtfong median keel, cpiite free, inserted in the slia by a short sialic. 

 Brown. 



Coast of Portugal. 



5. Centrophorus dumerilii. 



I\Iachepljilus dumerilii, Johnso/i, Proc. Zool. Soc. 18()7, p. 71^. 



Most closelj- allied to C. sffcamosa.':. The labial fold cxteiuls a 

 little way along the margin of the up])er jaw, but not along that of 

 the lower. Teeth 4^» the upper small, straight, triangular, with a 

 constricted cusp standing on a broad base ; <i median tooth in the 

 lower javj. The distance between the nostrils is a little less than 

 one-third of the length of tlie ])r;coral portion of the snout. Lower 

 angle of the pectoral fin veiy slightly produced. The length of the 

 base of the second dorsal fin (witlumt the spine) is two-thirds of 

 that of the first (without tlic spine) ; and tlie length of the base of 

 the first (without the spine) is nearly one-half of the distance be- 

 tween the two fins. Extremity of the ventral fins below the middle 

 of the second dorsal fin. 7^ he scale.'; are leaf-shaped, tvith a stromj 

 median keel, f/aite free, inserted in the skin by a short stalk. Brown, 

 with dark spots. 



iladeira. 



a. Type of the species, male^ 4.'} inches long. Presented by J. Y. 

 Johnson, I'isq. 



